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    • SUPERVOX - S 300 - AM CW SSB linear amplifier for 160 80 and 40 meter band
      [ Hits: 3108 | Votes: 2 | Rating: 5.50 ]
    • 1.5 to 30 Mhz RF Amplifier  pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.
      [ Hits: 52274 | Votes: 41 | Rating: 3.77 ]
    • 1.5KW GU-43B HF Linear - by PA0FRI, 1.8 - 30 MHz, Input 50 ohm SWR <1.2:1
      [ Hits: 5674 | Votes: 13 | Rating: 5.38 ]
    • 10 11 meters RF Power Amplifier - AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
      [ Hits: 4832 | Votes: 6 | Rating: 5.67 ]
    • 10 W Linear Amplifier - This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. by Harry Lythall - SM0VPO
      [ Hits: 11001 | Votes: 11 | Rating: 5.27 ]
    • 100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list
      [ Hits: 8679 | Votes: 11 | Rating: 4.36 ]
    • 10m FM Amplifier - 100 W output RF amplifier for 10 meter band project by W4NFR
      [ Hits: 590 | Votes: 3 | Rating: 5.67 ]
    • 11 KW Linear amplifier by I0JX  pop - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug
      [ Hits: 23690 | Votes: 29 | Rating: 7.87 ]
    • 1500 Watt Solid State HF Amplifier - This is a project to develop an Open Source reference design for a 1500 watt solid state linear amplifier for 10 through 160 meters by K6IF
      [ Hits: 9177 | Votes: 17 | Rating: 3.29 ]
    • 160m linear amplifier - pictures - Pictures of a homemade monoband linear amplifier for 160m band powered by 3 x QB5/1750
      [ Hits: 267 | Votes: 2 | Rating: 2.00 ]
    • 2 kW HF Amplifier Rebuild - Heathkit SB-220 amplifier repaired at W8UM
      [ Hits: 7280 | Votes: 6 | Rating: 5.17 ]
    • 2 x 3-500Z HF Power Amp - A 2x3-500Z rf power amplifier for 80-10 meters
      [ Hits: 4129 | Votes: 7 | Rating: 3.43 ]
    • 2 x 4-400A Amplifier Deck - A Class C Amplifier rebuilt with 4-400A tubes by W7IUV
      [ Hits: 2860 | Votes: 3 | Rating: 5.00 ]
    • 24 MOSFET Class E RF Amplifier - This is a 24 MOSFET Class E RF Amplifier, covering the 80 and 160 meter amateur radio bands.
      [ Hits: 1567 | Votes: 2 | Rating: 4.50 ]
    • 3 x 4-400A project - An RF amplifier project by W7IUV
      [ Hits: 2200 | Votes: 2 | Rating: 10.00 ]
    • 3-500Z Amplifier Project - This article loaded with nice pictures and schematics, describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. It was designed and constructed by William Moneysmith, W4NFR. The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive.
      [ Hits: 840 | Votes: 3 | Rating: 9.33 ]
    • 4 KW RF Amplifier - HF power amplifier project powered by GU-78B by SV8JE
      [ Hits: 1208 | Votes: 2 | Rating: 10.00 ]
    • 4 x 813's RF Amplifier Deck - This amp project was an exercise in cheap! The design criteria was to use only components in the JUNQUE BOX
      [ Hits: 11968 | Votes: 19 | Rating: 5.47 ]
    • 4-1000A Homebrew HF Amp - Building an HF power amplifier based on a 4-1000A
      [ Hits: 813 | Votes: 3 | Rating: 8.67 ]
    • 4-1000A Tube RF Amplifier - Home Brew a 4-1000A RF power amplifier project by W4NFR
      [ Hits: 485 | Votes: 0 | Rating: 0.00 ]
    • 40m linear amlifier made by 9A6A - Pictures of a monoband linear amplifier for 40m band 2 x QB5/1750 made by 9A6A
      [ Hits: 612 | Votes: 1 | Rating: 10.00 ]
    • 4CX1500 - This is a 4CX1500B grid driven amplifier that is built like a tank. The unit is considerably over designed as can be seen in the pictures documenting the construction
      [ Hits: 10891 | Votes: 10 | Rating: 5.80 ]
    • 5-band RF Power Amplifier - This project uses a widely available IRF510 MOSFET, work on HF 80, 40, 30, 20 and 17 meter bands
      [ Hits: 6652 | Votes: 4 | Rating: 6.75 ]
    • 500 WATT PA by SM0VPO  pop - 500W Power Amplifier by Harry Lythall - SM0VPO
      [ Hits: 18229 | Votes: 18 | Rating: 5.38 ]
    • 60 W Linear Amplifier Circuit - The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840.
      [ Hits: 1929 | Votes: 3 | Rating: 3.67 ]
    • 600 Watt HF Amplifier  pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier. The amplifier uses four Motorola MRF150 50 volt TMOS power FETs configured in push-pull/parallel and biased for class AB linear operation.
      [ Hits: 68622 | Votes: 120 | Rating: 4.44 ]
    • 7 Watt HF Amplifier - An RF power amplifier, providing 7 Watts output in HF bands, schematic by ON6MU
      [ Hits: 3152 | Votes: 2 | Rating: 5.50 ]
    • 70W SSB Power Amplifier For FT-817 or KX3 - DIY kits a 70W SSB linear Power Amplifier for YAESU FT-817 KX3 running HF 80m-10m bands
      [ Hits: 1091 | Votes: 7 | Rating: 7.15 ]
    • 80 m Hexfet power amplifier - 80m hexfet power amplifier by W7ZOI
      [ Hits: 3469 | Votes: 3 | Rating: 7.67 ]
    • 80-10m Linear Amplifier - High-power 3-500 HF linear amplifier by Don Pinnock G3HVA
      [ Hits: 2785 | Votes: 2 | Rating: 9.00 ]
    • 811 Linear Amplifier project - A lower power desktop linear with integrated 120vac power supply. This, very compact, dual 811 version will deliver about 300 watts output. Covers all bands including WARC bands.
      [ Hits: 1358 | Votes: 2 | Rating: 10.00 ]
    • A 20m monoband Power Amp - The 20m monoband 4-1000 amplifier, by Jelmer (pa5r), Herman (pa0ten) and Frans (pa5ca)
      [ Hits: 2696 | Votes: 2 | Rating: 9.50 ]
    • A 600 Watt homebrew Solid State Amplifier - A solid state linear based on EB104 Motorola Engineering Bulletin by Helge Granberg. It uses 4 MRF150 FETs in push-pull parallel to acheive 600 Watts from about 6 Watts drive
      [ Hits: 1711 | Votes: 2 | Rating: 3.00 ]
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