circuit diagram

circuit diagram

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• HomeBrew 1:1 4:1 9:1 Baluns - Circuit diagrams to homebrew different baluns by vk2awx
  [ Hits: 2330 | Votes: 14 | Rating: 3.65 ]

• Single Coil Z Match - Single Coil Z Match, circuit Diagram and homebrewing notes
  [ Hits: 1321 | Votes: 6 | Rating: 8.33 ]

• A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
  [ Hits: 15347 | Votes: 7 | Rating: 5.14 ]

• Antique Radio Schematics - Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios. Carries information for American, Canadian and European antique radios.
  [ Hits: 16288 | Votes: 56 | Rating: 5.3 ]
• Antique Radio Schematics and Capacitors for Tube Radios - Specializes in antique radio schematics and capacitors. carries antique radio schematic diagrams and electronic circuit service information for american, canadian and european antique radios.
  [ Hits: 2256 | Votes: 8 | Rating: 6.87 ]
• Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.
  [ Hits: 1613 | Votes: 4 | Rating: 6.25 ]

• Radio Bygoned - From the Publishers of EPE, this specialist niche publication is of interest to vintage radio enthusiasts, offering step-by-step rebuilds of selected receivers and helpful ideas and advice. Published every other month, each issue contains articles on radio restoration and repairs, histories, circuit diagrams, nostalgic memories and adverts by specialists.
  [ Hits: 809 | Votes: 0 | Rating: 0 ]

• Power amplifier schematics - A collection of several power amplifier circuit diagrams and articles in PDF
  [ Hits: 443 | Votes: 1 | Rating: 1 ]

• DL5DBM 1KW amplifier for 144 Mhz - Pictures and circuit diagramm to build this power amplifier for 2 meters
  [ Hits: 3389 | Votes: 2 | Rating: 10 ]

• Adjustable Regulated Battery Charger - This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery.
  [ Hits: 350 | Votes: 0 | Rating: 0 ]
• A NiCAD Battery Charger - A NiCAD Battery Charger with Current and Voltage Limiting
  [ Hits: 476 | Votes: 0 | Rating: 0 ]

• DRAKE TR7 Downloads - Circuit diagrams drake tr7, Schaltbilder Drake Tr7, antenna tuners, baluns, and home brew power supplies, dual tone ssb test generator, zweiton ssb test generator, zweiton testgenerator, dual tone test generator by DK4DDS
  [ Hits: 1757 | Votes: 4 | Rating: 7.25 ]

• PC Headset Adapter for Ham Radio - A PC headset to Rig adapter. Include a circuit diagram and a full part list for the project
  [ Hits: 1632 | Votes: 0 | Rating: 0 ]

• 7 MHz SSB Transceiver - Circuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.
  [ Hits: 19051 | Votes: 43 | Rating: 6.48 ]

• 144 MHz Very Low Noise Preamplifier - An home made low noise preamplifier project for 144 MHz, with detailed circuit diagram. The VLNA-144 preamplifier has been Published on DUBUS 4 2019
  [ Hits: 424 | Votes: 2 | Rating: 10 ]

• External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio
  [ Hits: 2596 | Votes: 2 | Rating: 5.5 ]

• Defpom CB and HAM radio mods  ^pop - Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info
  [ Hits: 54433 | Votes: 12047 | Rating: 8.19 ]

• DRM Demo Receiver - Christoph Petermann DF9CY DRM demonstration receiver project including Circuit Diagram and component list
  [ Hits: 588 | Votes: 1 | Rating: 7 ]
• Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Munch DF4ZS
  [ Hits: 984 | Votes: 1 | Rating: 2 ]

• Crystal Radio Circuits - Collection of several Crystal Radio receiver circuits with schematics diagrams and pictures
  [ Hits: 637 | Votes: 1 | Rating: 10 ]

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