[ Russian Doorknob Capacitor Specs] 15. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. A Feasible Full Sized 40 Meter Beam. for 144 Mhz VHF and VHF activity for Amateur Radio. Showing 1 to 10 of 10 (1 Pages) Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. 500W Mrf300 LDMOS 144 MHz 2m linear amplifier kit ( NO MOS tube) $45. Solid State Kilowatt Amplifiers A tutorial on how to annoy your neighbors with modern LDMOS transistors Which bands will we explore here? • 2m, 222MHz and 70cm • 6m (winter 2013/14) • HF through 6m (spring 2014). The 2M-PA is the culmination of Ken Holladay K6HCP's (KLM, Mirage, RF Concepts and now JK Designs) great career designing VHF through microwave preamplifiers! Inspired by EME'er K6MYC, who has blown a few preamps in his day, Ken has built a bullet proof winner with features nobody else has. No manual switching, the amp will automatically sense what band your on either 2m or 70cm. com in a single category. The BCR Repeater provides a feature rich repeater/base station. TH7800 AND 30 AMP POWER SUPPLY RLPS30M. 25m, and 70cm). New Product Dual Band 2m 70cm Power Amplifier Tc-vu50 , Find Complete Details about New Product Dual Band 2m 70cm Power Amplifier Tc-vu50,2m 70cm Power Amplifier,Dual Band Amplifier,Dual Band Power Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. I have never been very active on 70cm and have in fact now taken down my old 14 ele beam. Great to boost your handheld equal to a regular mobile or base radio. This amplifier combines a pair of 500w RF decks, using input and output couplers; the device used is the 600w Freescale MRFE6VP5600H. 2100 - $4300 depending on config. Add to Wish List Add to Compare. Mirage BD-35 Dual Band 2m/70cm Amplifier. This project is not compleet yet. New Product Dual Band 2m 70cm Power Amplifier Tc-vu50 , Find Complete Details about New Product Dual Band 2m 70cm Power Amplifier Tc-vu50,2m 70cm Power Amplifier,Dual Band Amplifier,Dual Band Power Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. Mirage BD-35: Fixing the problem with VHF-LED coming on while transmitting UHF. Freescale Semiconductor's recent offerings of 1. Due to its built-in Diplexer only one connection to a dual band antenna is required; as well, only one coaxial cable needs to be connected to the transceiver. Several successful designs have been developed to use this. G4OEP Home Page. 100 watt TX capability, but only at 50% duty cycle. It is packed with features including a 40 watt Mitsubishi power amplifier, Alpha-Numeric Display, 4W Front Panel Speaker and 250 memory channels. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. The maximum output power is 100 Watt. (it will be installed directly near the coupling of four antennas 25 el. power amplifiers and antenna preamplifiers for ham radio, professional land and marine application and also for very important use for space and satellite. or Best Offer. VHF/UHF dual band amplifier BD-35 for amateur radio. Mirage BD-35 Dual Band 2m/70cm Amplifier. Will do 45w Output on 2m and 35w on 440 MHz with a little as 4 watts in and will handle a max of 8w in. 12 watching. Henry 5K Classis Linear Amplifier Ham $3,400. The BCM-440 operates in 420. This project will holed all the hardware and software reqierd for a 2m and 70cm and 40m hf Transmitter. 2m/70cm/23cm Low noise Amplifiers. TYT TH-8600 Mini 25 Watt Dual Band Amateur Radio Base, IP67 Waterproof Radio VHF: 144-148mhz (2m) UHF:420-450mhz (70cm) Car Mobile Transceiver with Free Cable 4. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. Although thermal drift problems and physical size (too large in terms of electrical wavelength) render it problematic for use at power output levels greater than about 250W on 23cm (links to or drawings of several designs are shown on this site), the GI-7b is well suited for use in multiple-tube amplifiers from HF through 70cm. The test signal source was a synthesized signal generator driving a model 70-7B, 70cm, linear amplifier. Special Price. That is a lot of coverage and the specs are impressive so for a base station that would be one good amp. Mirage KP-2-10M - 10m Pre-Amp. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. 144-145MHz and 432-434MHz. Common connector for both bands or with separate connectors for 2 meter and 70 cm. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. If the reader wonders why one would use "lumped components" at 70cm and "microstrip" at 2M for the power amplifier circuits, I will say "Because You Can!". 144-MHz 1500W 8877 Power Amp, KL7UW. MML144-100LS 2m 100W Linear Amplifier Review, Amateur Radio Magazine, June 1983 MML144-200S 2m 200W Linear Amplifier MM2001 RTTY Converter, Ham Radio Today, May 1983. 0 Diamond X-200, 2m/70cm, omni 4. AL-82 AMERITRON AL82. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. VHF Band (2m) UHF Band (70cm) VHF-UHF Dual Band. KP-1/2M, PRE-AMP,2-METER IN-SHACK,144-148 MHz. ADD TO BASKET. Common connector for both bands or with separate connectors for 2 meter and 70 cm. Price and specifications are indicative and could change. 144-145MHz and 432-434MHz. For a Limited Time Only! $1,169. 95 Details. All programming software/kits can be found here, or on the Product Support page under the Support menu. KP-1/440, PRE-AMP,70-CM IN SHACK, 430-450MHz. All the Bands are available HF, 6M, 2M and 70CM with this all mode color screen C4FM Fusion Yaesu offering. 400MHz-470MHz 80W-90W UHF Ham Radio Power Amplifier For Interphone Car Radio. VHF Band (2m) UHF Band (70cm) VHF-UHF Dual Band. Parts: Section of nylon kitchen cutting board 50 x 30 mm x 7 mm (2 inch x 1 1/8 inch x 1/4 inch) 2 x 495 mm 6 section telescopic antennas with M3 holes, 2 x M3 screws 15 mm long with nuts. Designed and assembled in the USA. 0 Diamond X-200, 2m/70cm, omni 4. Original 100µF cap has too high ESR at cold temperatures. Although thermal drift problems and physical size (too large in terms of electrical wavelength) render it problematic for use at power output levels greater than about 250W on 23cm (links to or drawings of several designs are shown on this site), the GI-7b is well suited for use in multiple-tube amplifiers from HF through 70cm. The B-320-G is an interesting design because it is capable of producing 200 watts by driving it with either a 50 watt mobile, or a 5 watt Handi Talkie!I intend to purchase the 2 meter option for the Elecraft KX3 which will produce around 10 watts, so this amplifier will. Our products are sold regularly for use in mobile, repeater, and base communications systems. 70 MHz 25 W Power Amplifier,OZ2M. Ham Radio 2 Meter / 70cm VHF/UHF Mobile - $90 (West End + Shipping) Leixen Compact Mobile VHF/UHF 2m/70cm Dual Band25 Watt VersionIncludes:Original BoxManualLighted DTMF Hand MicrophoneMobile Mounting BracketUSB Cable$90Email Above-Also have other amateur radio equipment, Baofeng, Yaesu, Kenwood, Icom, Amplifiers, Antennas. 160 Meter Class E RF Deck, K1KBW. Important notes: All connections between RF parts, and also connections to ground. 160 Meter Class E RF Deck, K1KBW. This amplifier combines a pair of 500w RF decks, using input and output couplers; the device used is the 600w Freescale MRFE6VP5600H. Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. Ham Radio Amplifiers | Surplus Network. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. Mirage BD-35 2m/70cm Amp SOLD PEND FUNDS Mirage BD-35 Dual Band 2m/70cm Amplifier. Showing 1 to 10 of 10 (1 Pages) Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. The 70CM-HK 70cms 500W Self-Contained Linear Amplifier, A 500W output linear amplifier with built-in PSU. Excellent mechanical properties. [ 23cm 90-deg Hybrid Splitter-Combiner] 16. 8 to 512 MHz and from 10 to 500 watts output. Packed with loads of RF power, this dual fan-cooled unit is perfect for amateur radio applications (2m, 1. 5W 2m Transnitter using fk_2k VGA. Add to Wish List Add to Compare. 70 cm Power Splitter. You indicate the antenna is a J-pole. If both VHF/UHF LEDs are on, bad VSWR might kill driving TRX and the amp may oscillate on its own. 3 out of 5 stars 77 $135. Free Shipping. 95 Details. Request info on a '6-land' (if possible) repair source for the 2m/70cm transmitter final amplifier of the Yaesu FT-100D. The gray one on the left uses a 50v 1500w device, and will produce sustained 1. The test signal source was a synthesized signal generator driving a model 70-7B, 70cm, linear amplifier. 50 WATT DUAL BAND DUAL DISPLAY 2M/70CM MOBILE. 144MHz FM 2N6084 Power Amplifier,M0UKD. Look at the coils at the right side of PCB. for 144 Mhz VHF and VHF activity for Amateur Radio. MOS-FET power amplifiers are employed at the PA unit for all HF, 6m, 2m and 70cm bands. YD1270 23cm Power Amplifier. The first item was the 70cm power amplifier with T/R switch and detector followed by Band-Detect circuit, diplexer and finally the 2M power amplifier with its T/R switch and detector. I would agree, there are many amplifier models and the instructions in the manual or looking at the schematics should address this. YL1056 2m EME Super Power Amplifier. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. Mosfet linear amps produce a LOT of 3rd harmonics, so do not use this amp "as is" but put a decent filter behind it first to avoid trouble. 5/8 vertical antenna for 2m. 70 cm Power Splitter. Add to Wish List Add to Compare. My requirements are: Relay switching for TX, by the presence of DC supply. Find VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Get The Card, Get The Gear, Get On The Air. A Feasible Full Sized 40 Meter Beam. Will do 45w Output on 2m and 35w on 440 MHz with a little as 4 watts in and will handle a max of 8w in. 144MHz 2m band pass filter, ultra-small size, SMA interface. Logperiodic dipole array. 2m 70cm 23cm LDMOS AMPLIFIERS for indoor done! to the front in direct line. 1032 Description Hide. We also offer sell many models for in-house and wide area paging. RM ITALY LA 250 Series VHF Linear Amplifiers are wideband, compact amplifiers covering 140 to 150 MHz. Free shipping. Sorry, we have detected unusual traffic from your network. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. All the Bands are available HF, 6M, 2M and 70CM with this all mode color screen C4FM Fusion Yaesu offering. Common connector for both bands or with separate connectors for 2 meter and 70 cm. TYT TH7800RLPS30M. This item is currently out of stock. 3 x solder tabs. by waynemerry. MAST ANTENNA PREAMPLIFIERS. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. You also say the repeater of interest is about 30 miles away, which I am guessing is possibly in Chicago. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. Find Mirage VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. or Best Offer. 160 Meter Class E RF Deck, K1KBW. 2-Meter or 70-cm stations. No manual switching, the amp will automatically sense what band your on either 2m or 70cm. VHF/UHF dual band amplifier BD-35 for amateur radio. Wideband operation. 2m and 70cm Longest Dual Band Yagi Antenna PA144-432-37-7-2CBGP Dipoles and two "N" connectros View. amateur radio stations in the 2-m and 70-cm-Band. [ 6 meter High Performance Low Pass Filter] 13. First and foremost, a high Q miniature Helical. MML144-100LS 2m 100W Linear Amplifier Review, Amateur Radio Magazine, June 1983 MML144-200S 2m 200W Linear Amplifier MM2001 RTTY Converter, Ham Radio Today, May 1983. Parts: Section of nylon kitchen cutting board 50 x 30 mm x 7 mm (2 inch x 1 1/8 inch x 1/4 inch) 2 x 495 mm 6 section telescopic antennas with M3 holes, 2 x M3 screws 15 mm long with nuts. In the 1/2012 issue of Dubus magazine, F5FLN showcased his KW amplifier for the 70cm band. Great to boost your handheld equal to a regular mobile or base radio. 2m / 70cm Transistor amplifiers Blueline ECO750-2M: Efficiency-optimized power amplifier by SSB The Blueline ECO750 by SSB-Electronic is the only power amplifier in amateur radio sector which is based on the Doherty principle and thus offers higher efficiency by more than 20% (SSB mode) than a traditional linear amplifier. 25m and 70cm) are also available. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. The 70CM-HK 70cms 500W Self-Contained Linear Amplifier, A 500W output linear amplifier with built-in PSU. Find Mirage VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. YAESU FT5DR It's here finally and ready for immediate shipping with and HRO 50th Anniversary Special Offer - A FREE Orange Quick Release Holster with Belt Clip. The second duplexer "common" port would go to your dual-band 2m/70cm antenna; and the second duplexer "2m" port would go to the amplifier output connector. 12 watching. Henry Radio manufactures a broad range of solid state RF power amplifiers for many different applications. 70 cm LDMOS 1 KW Amplifier, W6PQL. Original 100µF cap has too high ESR at cold temperatures. Super JPOLE antenna. 25m, and 70cm). The test signal source was a synthesized signal generator driving a model 70-7B, 70cm, linear amplifier. Boom to mast brackets and balun terminated with “N” connector are included with all antennas. Mirage BD-35: Fixing the problem with VHF-LED coming on while transmitting UHF. Request info on a '6-land' (if possible) repair source for the 2m/70cm transmitter final amplifier of the Yaesu FT-100D. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. This is a great way to get started using VHF simplex and repeater communications. Reqierments for this project. 2m 70cm 23cm LDMOS AMPLIFIERS STACKED. YL1056 2m EME Super Power Amplifier. Mirage KP-2-440 - 70cm Pre-Amp. RF VOX is designed for protection from accidental power supply to the LNA output. The Ameritron AL-82 Linear Amplifier is designed to give you years of trouble free service at the full legal output. 2m/70cm/23cm Low noise Amplifiers. Just started. Excellent mechanical properties. Add to Wish List Add to Compare. Call me paranoid, but it'd be nice for radio that would survive a relatively jostling SHTF scenario. For a Limited Time Only! $1,169. A DISCONE antenna project. This project is not compleet yet. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Mirage KP-2-2m - 2m Pre-Amp. Simply select one for the band of operation and power level you need! Mirage Amplifiers are compact, instant-on, Solid State, no-tune amplifiers that give your signal that extra punch to get out further and to be heard more clearly. January 31, 2013: 23cm Preamplifier done ! (it will be installed directly on the RX port of septum feed, and 3 Meter MESH DISH (F/D=0. [ 23cm 90-deg Hybrid Splitter-Combiner] 16. amateur radio stations in the 2-m and 70-cm-Band. Typo - it was $29. The test signal source was a synthesized signal generator driving a model 70-7B, 70cm, linear amplifier. 95 Details. View the manual for AL82 View the manufactures page for AL82 View the eham review page for AL82. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. Add to Wish List Add to Compare. This project will holed all the hardware and software reqierd for a 2m and 70cm and 40m hf Transmitter. 160 Meter Class E RF Deck, K1KBW. 2004-05-03. 2-Meter or 70-cm stations. The B-320-G is an interesting design because it is capable of producing 200 watts by driving it with either a 50 watt mobile, or a 5 watt Handi Talkie!I intend to purchase the 2 meter option for the Elecraft KX3 which will produce around 10 watts, so this amplifier will. txt, pic1, pic2, pic3, pic4, pic5. Look at the coils at the right side of PCB. The maximum output power is 100 Watt. Mirage BD-35: Fixing the problem with VHF-LED coming on while transmitting UHF. 5/8 vertical antenna for 2m. A 2 meter J-pole will tune on 70 cm, but will have a high launch angle and may overshoot the repeater. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. Multi Band Antenna Traps. [ 23cm 90-deg Hybrid Splitter-Combiner] 16. 1296 Mhz Power Amplifiers by K2AH. FM is the most popular mode primarily due to the wide availability of FM repeaters. TYT TH7800RLPS30M. 5kw in SSB/CW modes but must be limited to about 1200w for JT65 EME and other digital modes. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Great to boost your handheld equal to a regular mobile or base radio. September 25,2012: 2m Preamplifier and QRO coaxial relays in a RF box, done!. In the 1/2012 issue of Dubus magazine, F5FLN showcased his KW amplifier for the 70cm band. Lightweight portable QRP 2m & 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box. That said the UHV/VHF amp Q5 offers is 2K USD for 25W on 2M-1. 2-Meter or 70-cm stations. Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. 3 x solder tabs. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. The antenna was a junk box, 6", BNC rubber duck, which was found to work well with good vswr over both 23cm and Diamond X-50, 2m/70cm, omni 8. 2m antenna have almost the same performance as our one of the best Low Noise Yagis with best G/T for its length PA144-12-7BGP. Our products are sold regularly for use in mobile, repeater, and base communications systems. 500W Mrf300 LDMOS 144 MHz 2m linear amplifier kit ( NO MOS tube) $45. Request info on a '6-land' (if possible) repair source for the 2m/70cm transmitter final amplifier of the Yaesu FT-100D. 100 watt TX capability, but only at 50% duty cycle. Henry 5K Classis Linear Amplifier Ham $3,400. Hi all, One project that I have been working for a little while is the design and eventual build of preamps for the 6m / 2m / 70cm bands. Packed with loads of RF power, this dual fan-cooled unit is perfect for amateur radio applications (2m, 1. [ Universal Cavity-Tuned Triode Schematic] 14. There are many simple choices that don't involve trying to put a large antenna on a roof. Now you'd have two duplexers routing your 70cm signal completely "around" the 2m amplifier, so the 2m amplifier will not influence 70cm operation at all. Our products are sold regularly for use in mobile, repeater, and base communications systems. Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. 144-145MHz and 432-434MHz. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. We also offer sell many models for in-house and wide area paging. Designed and assembled in the USA. 2m antenna have almost the same performance as our one of the best Low Noise Yagis with best G/T for its length PA144-12-7BGP. VHF/UHF dual band amplifier BD-35 for amateur radio. Will do 45w Output on 2m and 35w on 440 MHz with a little as 4 watts in and will handle a max of 8w in. This amplifier combines a pair of 500w RF decks, using input and output couplers; the device used is the 600w Freescale MRFE6VP5600H. KP-1/6M, PRE-AMP,6-METER IN-SHACK,50-52 MHz. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. In consequence, UHF stray RF triggers the VHF relay driver transistor. MML144-100LS 2m 100W Linear Amplifier Review, Amateur Radio Magazine, June 1983 MML144-200S 2m 200W Linear Amplifier MM2001 RTTY Converter, Ham Radio Today, May 1983. The 19" racks can be stacked without problem for the air outlet ! ** Some friends asked me what models of racks I used for these amplifiers. Add to Wish List Add to Compare. RM ITALY LA 250 Series VHF Linear Amplifiers are wideband, compact amplifiers covering 140 to 150 MHz. There are many simple choices that don't involve trying to put a large antenna on a roof. ICOM ID-4100A (which succeeded the ID-880H, that was an update to the 208H) Yaesu FT-7900R (only does 40W on 70cm as opposed to 50W) Yaesu FTM-100DR. Dual Band 2m/70cm mobile whip. One thing you don't indicate is if the repeater is 144 or 440. View the manual for AL82 View the manufactures page for AL82 View the eham review page for AL82. You also say the repeater of interest is about 30 miles away, which I am guessing is possibly in Chicago. The LNA is manufactured based on PGA-103+ Mini-Circuits Monolithic Amplifier with high dynamic range. Showing 1 to 10 of 10 (1 Pages) Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. VHF/UHF dual band amplifier BD-35 for amateur radio. A Feasible Full Sized 40 Meter Beam. About Building a 100 Watt 2M Linear Amplifier The resource is currently listed in dxzone. KP-1/440, PRE-AMP,70-CM IN SHACK, 430-450MHz. PCB for 500-1 KW amplifier 432 MHz 420-450 MHz 70 cm UHF. 5 watts in and 20/30 watts out, depending on band. 5/8 vertical antenna for 2m. Ham Radio 2 Meter / 70cm VHF/UHF Mobile - $90 (West End + Shipping) Leixen Compact Mobile VHF/UHF 2m/70cm Dual Band25 Watt VersionIncludes:Original BoxManualLighted DTMF Hand MicrophoneMobile Mounting BracketUSB Cable$90Email Above-Also have other amateur radio equipment, Baofeng, Yaesu, Kenwood, Icom, Amplifiers, Antennas. Requires just 4W drive for full output. ALINCO ELH-300D 440 mhz 70cm Ham Radio amplifier mobile fixed. ICOM ID-4100A (which succeeded the ID-880H, that was an update to the 208H) Yaesu FT-7900R (only does 40W on 70cm as opposed to 50W) Yaesu FTM-100DR. [ Universal Cavity-Tuned Triode Schematic] 14. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. TYT TH-8600 Mini 25 Watt Dual Band Amateur Radio Base, IP67 Waterproof Radio VHF: 144-148mhz (2m) UHF:420-450mhz (70cm) Car Mobile Transceiver with Free Cable 4. amateur radio stations in the 2-m and 70-cm-Band. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. SSB-Electronic offers the 'Super-Amp' series of monoband mast pre-amplifiers for bands from 6m to 13cm, as well as a dual band pre-amp for 2m/70cm plus a wide band pre-amp for scanners. AL-82 AMERITRON AL82. 25kw and 600w transistors have been getting a lot of attention, and this resulted in the development of kw amplifiers for 6m,2m(F1JRD) and222MHz(W6PQL). Excellent mechanical properties. Will do 45w Output on 2m and 35w on 440 MHz with a little as 4 watts in and will handle a max of 8w in. [ Universal Cavity-Tuned Triode Schematic] 14. Ham Radio 2 Meter / 70cm VHF/UHF Mobile - $90 (West End + Shipping) Leixen Compact Mobile VHF/UHF 2m/70cm Dual Band25 Watt VersionIncludes:Original BoxManualLighted DTMF Hand MicrophoneMobile Mounting BracketUSB Cable$90Email Above-Also have other amateur radio equipment, Baofeng, Yaesu, Kenwood, Icom, Amplifiers, Antennas. Glowbug Index. 70 cm Power Splitter. 2m 70cm 23cm LDMOS AMPLIFIERS for indoor done! to the front in direct line. ALINCO ELH-300D 440 mhz 70cm Ham Radio amplifier mobile fixed. It is packed with features including a 40 watt Mitsubishi power amplifier, Alpha-Numeric Display, 4W Front Panel Speaker and 250 memory channels. Easy thing to do if you have just one antenna port on the 2m/70cm rig is just use a diplexer (cheap) to split that into two separate connections for 2m and 70cm, then use two amplifiers. Our products are sold regularly for use in mobile, repeater, and base communications systems. txt, pic1, pic2, pic3, pic4, pic5. 100 watt TX capability, but only at 50% duty cycle. Antennas-Amplifiers make high quality HF/VHF/UHF high power capability yagi's as well as other ham radio accessories such as band pass filters, low noise amp. We also offer sell many models for in-house and wide area paging. Due to the built-in Diplexer only. MOS-FET power amplifiers are employed at the PA unit for all HF, 6m, 2m and 70cm bands. First and foremost, a high Q miniature Helical. Sorry, we have detected unusual traffic from your network. Find Mirage VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. 5 watts in and 20/30 watts out, depending on band. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. RM ITALY LA 250 Series VHF Linear Amplifiers. A Feasible Full Sized 40 Meter Beam. 70 cm Power Splitter. 144MHz FM 2N6084 Power Amplifier,M0UKD. Mirage KP-2-2m - 2m Pre-Amp. Boom to mast brackets and balun terminated with "N" connector are included with all antennas. Due to the built-in Diplexer only. Freescale Semiconductor's recent offerings of 1. I would agree, there are many amplifier models and the instructions in the manual or looking at the schematics should address this. 25m, and 70cm). This Mirage BD-35 Dual Band VHF / UHF Amplifier boosts the power of your 2M / 70cm handheld Amateu. HENRY 6M, 2M, 70CM 1500 + 800 watt. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. Duplexer filter for 2m and 70cm dual band antenna. Mirage KP-2-10M - 10m Pre-Amp. HF/6m/2m/70cm. This project will holed all the hardware and software reqierd for a 2m and 70cm and 40m hf Transmitter. Mirage BD-35 Dual-Band HT Amplifiers boost your 2M/70cm handheld to become a much more powerful mobile or base transceiver. Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. Free Shipping. 5W 2m Transnitter using fk_2k VGA. Simply select one for the band of operation and power level you need! Mirage Amplifiers are compact, instant-on, Solid State, no-tune amplifiers that give your signal that extra punch to get. Reqierments for this project. Boom to mast brackets and balun terminated with “N” connector are included with all antennas. VHF/UHF dual band amplifier BD-35 for amateur radio. G4OEP Home Page. A 2 meter J-pole will tune on 70 cm, but will have a high launch angle and may overshoot the repeater. 500W Mrf300 LDMOS 144 MHz 2m linear amplifier kit ( NO MOS tube) $45. The "8W max input" type dual-band amps are all low-powered, typically in the 35W range or so, to boost the output of handheld rigs. Duplexer filter for 2m and 70cm dual band antenna. AL-82 AMERITRON AL82. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. Preamp activated by DC power, otherwise off and bypassed. 00 shipping. com in a single category. The first item was the 70cm power amplifier with T/R switch and detector followed by Band-Detect circuit, diplexer and finally the 2M power amplifier with its T/R switch and detector. The BCM-440 operates in 420. Super JPOLE antenna. 2-Meter or 70-cm stations. We also offer sell many models for in-house and wide area paging. Solid State Kilowatt Amplifiers A tutorial on how to annoy your neighbors with modern LDMOS transistors Which bands will we explore here? • 2m, 222MHz and 70cm • 6m (winter 2013/14) • HF through 6m (spring 2014). Antennas-Amplifiers make high quality HF/VHF/UHF high power capability yagi's as well as other ham radio accessories such as band pass filters, low noise amp. No manual switching, the amp will automatically sense what band your on either 2m or 70cm. 0 Diamond X-200, 2m/70cm, omni 4. I have never been very active on 70cm and have in fact now taken down my old 14 ele beam. 25kw and 600w transistors have been getting a lot of attention, and this resulted in the development of kw amplifiers for 6m,2m(F1JRD) and222MHz(W6PQL). Call me paranoid, but it'd be nice for radio that would survive a relatively jostling SHTF scenario. Boom to mast brackets and balun terminated with “N” connector are included with all antennas. New Product Dual Band 2m 70cm Power Amplifier Tc-vu50 , Find Complete Details about New Product Dual Band 2m 70cm Power Amplifier Tc-vu50,2m 70cm Power Amplifier,Dual Band Amplifier,Dual Band Power Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. I have an RFC 2/70 amplifier/pre-amp for 2 m and 70 cm that I use with an HT. Multi Band Antenna Traps. 2m 70cm 23cm LDMOS AMPLIFIERS for indoor done! to the front in direct line. It seems like the contenders are: Kenwood TM-D710GA. Mirage BD-35: Fixing the problem with VHF-LED coming on while transmitting UHF. The output power was set to +34dBm. Add to Cart. 70 cm LDMOS 1 KW Amplifier, W6PQL. Just started. In the 1/2012 issue of Dubus magazine, F5FLN showcased his KW amplifier for the 70cm band. Important notes: All connections between RF parts, and also connections to ground. 400MHz-470MHz 80W-90W UHF Ham Radio Power Amplifier For Interphone Car Radio. 100 watt TX capability, but only at 50% duty cycle. Henry 5K Classis Linear Amplifier Ham $3,400. KP-2/10M, PRE-AMP,10-METER MAST-MOUNT,28-30 MHz. [ Russian Doorknob Capacitor Specs] 15. 25m, and 70cm). YL1056 2m EME Super Power Amplifier. Free shipping. The second duplexer "common" port would go to your dual-band 2m/70cm antenna; and the second duplexer "2m" port would go to the amplifier output connector. fl_2k diplexer and amp +27dbm rf 70cm and 2m with bandpass filters using fl_2k VGA Adaptor. Single Sideband on 2 Meters: The Other VHF Mode. Add to Wish List Add to Compare. Look at the coils at the right side of PCB. 2m and 70cm Longest Dual Band Yagi Antenna PA144-432-37-7-2CBGP Dipoles and two "N" connectros View. The shorter 70cm waves have a much easier time getting through window openings than the longer 2 meter waves. WATSON W-77LS. PCB for 500-1 KW amplifier 432 MHz 420-450 MHz 70 cm UHF. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. Mirage BD-35 Dual-Band HT Amplifiers boost your 2M/70cm handheld to become a much more powerful mobile or base transceiver. Find VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Get The Card, Get The Gear, Get On The Air. Common connector for both bands or with separate connectors for 2 meter and 70 cm. Henry 5K Classis Linear Amplifier Ham $3,400. HF/6m/2m/70cm. The output power was set to +34dBm. The maximum output power is 100 Watt. The BCM-440 operates in 420. They put punch into your FM signal with 45 Watts out on 2 Meters or 35 Watts out on 440 MHz, with just 4 Watts in! Plus, the BD-35 is now D-STAR compatible!. A 2 meter J-pole will tune on 70 cm, but will have a high launch angle and may overshoot the repeater. Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. I've needed (wanted) a 2 meter amplifier for some time and finally decided to purchase the Mirage B-320-G 200 watt amplifier. Parts: Section of nylon kitchen cutting board 50 x 30 mm x 7 mm (2 inch x 1 1/8 inch x 1/4 inch) 2 x 495 mm 6 section telescopic antennas with M3 holes, 2 x M3 screws 15 mm long with nuts. The B-320-G is an interesting design because it is capable of producing 200 watts by driving it with either a 50 watt mobile, or a 5 watt Handi Talkie!I intend to purchase the 2 meter option for the Elecraft KX3 which will produce around 10 watts, so this amplifier will. A magnetic mount antenna for a car placed on a window air conditioner works well. You also say the repeater of interest is about 30 miles away, which I am guessing is possibly in Chicago. Although thermal drift problems and physical size (too large in terms of electrical wavelength) render it problematic for use at power output levels greater than about 250W on 23cm (links to or drawings of several designs are shown on this site), the GI-7b is well suited for use in multiple-tube amplifiers from HF through 70cm. Preamp activated by DC power, otherwise off and bypassed. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. 70cm 4CX250B Amplifier. Most new hams get started on the ham bands using FM, with 2m and 70cm being the most popular bands. Price and specifications are indicative and could change. You indicate the antenna is a J-pole. MOS-FET power amplifiers are employed at the PA unit for all HF, 6m, 2m and 70cm bands. Find Mirage VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. KP-2/10M, PRE-AMP,10-METER MAST-MOUNT,28-30 MHz. This is a great way to get started using VHF simplex and repeater communications. Great to boost your handheld equal to a regular mobile or base radio. 50Watts 144MHz FM Power Amplifier, M0UKD. The LNA is manufactured based on PGA-103+ Mini-Circuits Monolithic Amplifier with high dynamic range. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. HF/6m/2m/70cm. It is packed with features including a 40 watt Mitsubishi power amplifier, Alpha-Numeric Display, 4W Front Panel Speaker and 250 memory channels. 2m Amplifier (2) 2m Coaxial Dipole (1) 2m dipole (8) 2m Halo Antenna (1) 2m loop antenna (2) 2m Slim Jim Antenna (3) 2m SOTA Antenna (5) 2m Yagi Antenna (14) 2m/70cm duplexer (1) 40m center loaded vertical (3) 6m Band 50 MHz (5) 6m SOTA Antenna (2) 70cm SOTA Antenna (4) 80m SOTA Antenna (2) Airband Antenna (1) Aircraft Enhancement (26) Amateur. Antennas-Amplifiers make high quality HF/VHF/UHF high power capability yagi's as well as other ham radio accessories such as band pass filters, low noise amp. 5 watts in and 20/30 watts out, depending on band. New Product Dual Band 2m 70cm Power Amplifier Tc-vu50 , Find Complete Details about New Product Dual Band 2m 70cm Power Amplifier Tc-vu50,2m 70cm Power Amplifier,Dual Band Amplifier,Dual Band Power Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. YD1270 23cm Power Amplifier. YL1056 2m EME Super Power Amplifier. I have never been very active on 70cm and have in fact now taken down my old 14 ele beam. The LNA is manufactured based on PGA-103+ Mini-Circuits Monolithic Amplifier with high dynamic range. 6 Element 1255 MHz Yagi for portable ATV use: about. The main category is Amateur linear amplifiers that is about VHF linear amplifiers. In consequence, UHF stray RF triggers the VHF relay driver transistor. And, a one piece aluminum, diecast chassis with a large cooling fan is employed. Due to its built-in Diplexer only one connection to a dual band antenna is required; as well, only one coaxial cable needs to be connected to the transceiver. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. Single Sideband on 2 Meters: The Other VHF Mode. About Building a 100 Watt 2M Linear Amplifier The resource is currently listed in dxzone. Request info on a '6-land' (if possible) repair source for the 2m/70cm transmitter final amplifier of the Yaesu FT-100D. Most new hams get started on the ham bands using FM, with 2m and 70cm being the most popular bands. This project is not compleet yet. Built by Fic z a, YU7AA 3x2C39BA 70cm Power Amplifier Built by YT1AR and YU1ZF. Reqierments for this project. G4OEP Home Page. Boom to mast brackets and balun terminated with "N" connector are included with all antennas. [ Universal Cavity-Tuned Triode Schematic] 14. Free shipping. Ham Radio 2 Meter / 70cm VHF/UHF Mobile - $90 (West End + Shipping) Leixen Compact Mobile VHF/UHF 2m/70cm Dual Band25 Watt VersionIncludes:Original BoxManualLighted DTMF Hand MicrophoneMobile Mounting BracketUSB Cable$90Email Above-Also have other amateur radio equipment, Baofeng, Yaesu, Kenwood, Icom, Amplifiers, Antennas. For a Limited Time Only! $1,169. View the brochure for FT991A View the manual for FT991A FT-991A ALL-BAND, MULTIMODE PORTABLE TRANSCIEVER The FT-991A is the next generation in all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. Many of us have been waiting for a practical 70cm solid-state amplifier design. The B-320-G is an interesting design because it is capable of producing 200 watts by driving it with either a 50 watt mobile, or a 5 watt Handi Talkie!I intend to purchase the 2 meter option for the Elecraft KX3 which will produce around 10 watts, so this amplifier will. 50Watts 144MHz FM Power Amplifier, M0UKD. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. MAST ANTENNA PREAMPLIFIERS. Common connector for both bands or with separate connectors for 2 meter and 70 cm. The BCM-440 is built to commercial quality standards and easy to use. 6) Henry Radio 30A02 VHF RF Amplifier. I have never been very active on 70cm and have in fact now taken down my old 14 ele beam. 144-145MHz and 432-434MHz. VHF Band (2m) UHF Band (70cm) VHF-UHF Dual Band. Simply select one for the band of operation and power level you need! Mirage Amplifiers are compact, instant-on, Solid State, no-tune amplifiers that give your signal that extra punch to get. Great to boost your handheld equal to a regular mobile or base radio. There are many simple choices that don't involve trying to put a large antenna on a roof. Length Foot Wind MPH; X30A: 2m / 70cm: 2m: 1 1/2l 70cm: 2 5/8l: 3. It is packed with features including a 40 watt Mitsubishi power amplifier, Alpha-Numeric Display, 4W Front Panel Speaker and 250 memory channels. HF/6m/2m/70cm. 1296 Mhz Power Amplifiers by K2AH. 25 May 2018. About Building a 100 Watt 2M Linear Amplifier The resource is currently listed in dxzone. SSB-Electronic offers the 'Super-Amp' series of monoband mast pre-amplifiers for bands from 6m to 13cm, as well as a dual band pre-amp for 2m/70cm plus a wide band pre-amp for scanners. Free shipping. Freescale Semiconductor's recent offerings of 1. Telecom 70CM - HK 70cms 500W Self-Contained Linear Amplifier. That said the UHV/VHF amp Q5 offers is 2K USD for 25W on 2M-1. fl_2k_diplexer_and_amp. New Product Dual Band 2m 70cm Power Amplifier Tc-vu50 , Find Complete Details about New Product Dual Band 2m 70cm Power Amplifier Tc-vu50,2m 70cm Power Amplifier,Dual Band Amplifier,Dual Band Power Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. The B-320-G is an interesting design because it is capable of producing 200 watts by driving it with either a 50 watt mobile, or a 5 watt Handi Talkie!I intend to purchase the 2 meter option for the Elecraft KX3 which will produce around 10 watts, so this amplifier will. Free Shipping. The 19" racks can be stacked without problem for the air outlet ! ** Some friends asked me what models of racks I used for these amplifiers. MOS-FET power amplifiers are employed at the PA unit for all HF, 6m, 2m and 70cm bands. I have an RFC 2/70 amplifier/pre-amp for 2 m and 70 cm that I use with an HT. Although thermal drift problems and physical size (too large in terms of electrical wavelength) render it problematic for use at power output levels greater than about 250W on 23cm (links to or drawings of several designs are shown on this site), the GI-7b is well suited for use in multiple-tube amplifiers from HF through 70cm. or Best Offer. Easy thing to do if you have just one antenna port on the 2m/70cm rig is just use a diplexer (cheap) to split that into two separate connections for 2m and 70cm, then use two amplifiers. 2m antenna have almost the same performance as our one of the best Low Noise Yagis with best G/T for its length PA144-12-7BGP. Wideband operation. 6 Element 1255 MHz Yagi for portable ATV use: about. Henry 5K Classis Linear Amplifier Ham $3,400. The antenna was a junk box, 6", BNC rubber duck, which was found to work well with good vswr over both 23cm and Diamond X-50, 2m/70cm, omni 8. 2011-09-05. Simply select one for the band of operation and power level you need! Mirage Amplifiers are compact, instant-on, Solid State, no-tune amplifiers that give your signal that extra punch to get. Multi Band Antenna Traps. Excellent mechanical properties. The 2M-PA is the culmination of Ken Holladay K6HCP's (KLM, Mirage, RF Concepts and now JK Designs) great career designing VHF through microwave preamplifiers! Inspired by EME'er K6MYC, who has blown a few preamps in his day, Ken has built a bullet proof winner with features nobody else has. (Had sudden loss of transmit power on 2&70, accompanied by foul smell!) bt73Pete, N6ZE. It provides a pre-amp for incoming signals and a power amp for outgoing. 70 MHz 25 W Power Amplifier,OZ2M. If both VHF/UHF LEDs are on, bad VSWR might kill driving TRX and the amp may oscillate on its own. 2m and 70cm Longest Dual Band Yagi Antenna PA144-432-37-7-2CBGP Dipoles and two "N" connectros View. 25 May 2018. The LNA is manufactured based on PGA-103+ Mini-Circuits Monolithic Amplifier with high dynamic range. for 144 Mhz VHF and VHF activity for Amateur Radio. You also say the repeater of interest is about 30 miles away, which I am guessing is possibly in Chicago. 6 Element 1255 MHz Yagi for portable ATV use: about. or Best Offer. fl_2k_diplexer_and_amp. This combination provides stable, high quality output with low IMD and low spurious emissions even during full duty cycle and extended operation. Super JPOLE antenna. MAST ANTENNA PREAMPLIFIERS. A magnetic mount antenna for a car placed on a window air conditioner works well. Length Foot Wind MPH; X30A: 2m / 70cm: 2m: 1 1/2l 70cm: 2 5/8l: 3. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. 2 meter 70 cm Dual Band Antennas for 144 MHz and 432 MHz. Most new hams get started on the ham bands using FM, with 2m and 70cm being the most popular bands. This project is not compleet yet. Designed and assembled in the USA. Duplexer filter for 2m and 70cm dual band antenna. For a Limited Time Only! $1,169. [ Universal Cavity-Tuned Triode Schematic] 14. 25 May 2018. The "8W max input" type dual-band amps are all low-powered, typically in the 35W range or so, to boost the output of handheld rigs. My requirements are: Relay switching for TX, by the presence of DC supply. TYT TH7800RLPS30M. A great choice for a high quality mono-band 70cm mobile. 70 MHz 25 W Power Amplifier,OZ2M. VHF Band (2m) UHF Band (70cm) VHF-UHF Dual Band. 3 out of 5 stars 77 $135. 6 Element 1255 MHz Yagi for portable ATV use: about. Add to Cart. HF/6m/2m/70cm. 1296 Mhz Power Amplifiers by K2AH. 2011-09-05. September 25,2012: 2m Preamplifier and QRO coaxial relays in a RF box, done!. I have never been very active on 70cm and have in fact now taken down my old 14 ele beam. RM ITALY LA 250 Series VHF Linear Amplifiers are wideband, compact amplifiers covering 140 to 150 MHz. Mirage KP-2-440 - 70cm Pre-Amp. [ Russian Doorknob Capacitor Specs] 15. Original 100µF cap has too high ESR at cold temperatures. 2m and 70cm Longest Dual Band Yagi Antenna PA144-432-37-7-2CBGP Dipoles and two "N" connectros View. 2m 70cm 23cm LDMOS AMPLIFIERS for indoor done! to the front in direct line. This project is not compleet yet. YAESU FT5DR It's here finally and ready for immediate shipping with and HRO 50th Anniversary Special Offer - A FREE Orange Quick Release Holster with Belt Clip. 5W 2m Transnitter using fk_2k VGA. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. Communication LG is a retailer specializing in the online sales of amateur radio devices and equipment. A 2 meter J-pole will tune on 70 cm, but will have a high launch angle and may overshoot the repeater. 2100 - $4300 depending on config. 144MHz 2m band pass filter, ultra-small size, SMA interface. Free shipping. TH7800RLPS30M. Price and specifications are indicative and could change. 50Watts 144MHz FM Power Amplifier, M0UKD. This item is currently out of stock. (it will be installed directly near the coupling of four antennas 25 el. 2m or 70cm EME contacts are easy with this excellent antenna. 25m and 70cm) are also available. If the reader wonders why one would use "lumped components" at 70cm and "microstrip" at 2M for the power amplifier circuits, I will say "Because You Can!". 144-145MHz and 432-434MHz. Many of us have been waiting for a practical 70cm solid-state amplifier design. The second duplexer "common" port would go to your dual-band 2m/70cm antenna; and the second duplexer "2m" port would go to the amplifier output connector. TYT TH-8600 Mini 25 Watt Dual Band Amateur Radio Base, IP67 Waterproof Radio VHF: 144-148mhz (2m) UHF:420-450mhz (70cm) Car Mobile Transceiver with Free Cable 4. About Building a 100 Watt 2M Linear Amplifier The resource is currently listed in dxzone. Landwehr preamp DC power connector 5 pin Amplifier pre-amp 2M 70cm mast mounted. KP-2/10M, PRE-AMP,10-METER MAST-MOUNT,28-30 MHz. 62 Regular Price £289. The 70CM-HK 70cms 500W Self-Contained Linear Amplifier, A 500W output linear amplifier with built-in PSU. Call me paranoid, but it'd be nice for radio that would survive a relatively jostling SHTF scenario. 5 watts in and 20/30 watts out, depending on band. Lightweight portable QRP 2m & 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box. PCB for 500-1 KW amplifier 432 MHz 420-450 MHz 70 cm UHF. [ 23cm 90-deg Hybrid Splitter-Combiner] 16. Low noise amplifiers for 6m, 2m and 70cm bands with built-in bypass relays, based on PGA-103+ (6m) and ATF-53189 (2m and 70cm), with power through the feeder support, installed in milled aluminum case with N-female input and output connectors. In the 1/2012 issue of Dubus magazine, F5FLN showcased his KW amplifier for the 70cm band. 70 cm LDMOS 1 KW Amplifier, W6PQL. I would agree, there are many amplifier models and the instructions in the manual or looking at the schematics should address this. [ Universal Cavity-Tuned Triode Schematic] 14. The shorter 70cm waves have a much easier time getting through window openings than the longer 2 meter waves. A DISCONE antenna project. ICOM ID-4100A (which succeeded the ID-880H, that was an update to the 208H) Yaesu FT-7900R (only does 40W on 70cm as opposed to 50W) Yaesu FTM-100DR. 62 Regular Price £289. The second duplexer "common" port would go to your dual-band 2m/70cm antenna; and the second duplexer "2m" port would go to the amplifier output connector. Built by Fic z a, YU7AA 3x2C39BA 70cm Power Amplifier Built by YT1AR and YU1ZF. The LNA is manufactured based on PGA-103+ Mini-Circuits Monolithic Amplifier with high dynamic range. Wideband operation. 6) Henry Radio 30A02 VHF RF Amplifier. Great to boost your handheld equal to a regular mobile or base radio. one HF-socket for the combi-antenna and the coaxial cable has to be connected. Find Mirage VHF/UHF Amplifiers and get Free Shipping on Most Orders Over $99 at DX Engineering! Mirage VHF/UHF Amplifiers provide the boost of power you need for your 6-Meter, 2-Meter or 70-cm stations. Call me paranoid, but it'd be nice for radio that would survive a relatively jostling SHTF scenario. Built by Fic z a, YU7AA 3x2C39BA 70cm Power Amplifier Built by YT1AR and YU1ZF. 2m or 70cm EME contacts are easy with this excellent antenna. Add to Cart. Nice Homebrew 8KW 8 3-500ZG Tubes $3,400. 70cm 4CX250B Amplifier. The 70CM-HK 70cms 500W Self-Contained Linear Amplifier, A 500W output linear amplifier with built-in PSU. We also offer sell many models for in-house and wide area paging. September 25,2012: 2m Preamplifier and QRO coaxial relays in a RF box, done!. Hi all, One project that I have been working for a little while is the design and eventual build of preamps for the 6m / 2m / 70cm bands. 25m, and 70cm). MOS-FET power amplifiers are employed at the PA unit for all HF, 6m, 2m and 70cm bands. But back in the 1980s there was a very active 70cm ATV group in Bristol who encouraged me to put some signals on the air in order to join the fun. No manual switching, the amp will automatically sense what band your on either 2m or 70cm. Parts: Section of nylon kitchen cutting board 50 x 30 mm x 7 mm (2 inch x 1 1/8 inch x 1/4 inch) 2 x 495 mm 6 section telescopic antennas with M3 holes, 2 x M3 screws 15 mm long with nuts. Ham Radio Amplifiers | Surplus Network. Look at the coils at the right side of PCB. Freescale Semiconductor's recent offerings of 1.