Amateur Radio Homebrew

Links

DC-DC Construction Notes

Solid state replacements for vibrators used in old military radio power supplies. Universal inverter power supply by Dennis Starks.

JA1HAM

Homebrew boatanchor rig from Japan.

OPCOM's Electronics Index

Articles, pictures, and schematics on all kinds of electronics.

CVM Series Info

UTC Modulation Transformers. Connection and usage data.

JF1OZL in Japan

Amazing ham radio homebrew pages. Very interesting designs.

Cigar Box 6V6 Transmitter

W1FIF's homebrew rig shown with an SX101a, and HT32.

AB4YD's 807 Tube Transmitter You Can Build

Plans and schematics from AB4YD, Bill's projects.

YU7BCD 3KW Amplifier

pictures of a linear amp using 5500 Volts on two QB5/1750 tubes at HF for 3200 watts out.

Mod Transformer Data

Specifications and connections for modulation transformers by Kenyon, RCA, Stancor, and Thordarson and UTC.

AB0CW's Vintage Communications Gear

Mark Dittmar's site with homebrew information and other articles.

Klunky Schematic Drawing

Automatic schematic making web-based program you can use for free on-line and then print out your schematic or save it to a file. Includes various tube symbols.

Vinatge Amateur Radio Stations

VE3CFE's site dedicated to the construction and operation of vintage amateur radio stations of the 1920s and 1930s.

TV Power to Mod Transformer

Turn old power transformers into modulation transformers. Technical article by WA1HLR from The AM Press Exchange.

W1FIF, Norm Hunt

BA radio site in Maryland. Includes photos of a 6V6 QRP CW rig built in a cigar box.

6J6 QRP tube transmitter plans

From AK0B's Glowbug and Homebrew Radio pages. Pictures, article and schematic. Neat little Jones triode oscillator rig.

5 Watt AM Transmitter Project

Schematic and instructions on a neat little 6AQ5 final rig you could build.

N4XY's WebSite

QRP, homebrewing, and boatanchor radios.

The Secret Dream 100 Watt Transmitter

Great article on homebrewing with two 807 tubes, with schematic and description, by Steve WD8DAS.

1937 Frank C. Jones Radio Handbook

Selected pages from the book

Glowbugs FTP Site

Articles available for download, including military radios, discussion about tube homebrewing, batteries, and VFOs.

Crystal Control Versus VFO

W6FFC discusses stability considerations and other factors.

N6EV's Glowbugs Page

Articles, and schematics about Glowbugs. Relates to constructing tube-type, low power amateur radio equipment.

809 RF Power Amplifier with 2A5 Exciter

AB0CW, Mark Dittmar shows us how he built this 80m CW transmitter.

K9GDT Amateur Radio

Hammarlund, Collins and vintage AM gear. Also, a homebrew 75m AM transceiver.

1930s Rack Transmitter

W0HIO has this neat old 40m AM rack that is ready to be restored. Lots of interesting pictures.

WD8DAS

Steve shows us his 807 breadboard rig with three tubes and 700 volts!

HBR Receiver Web Site

For radio enthusiasts interested in building and using the popular HBR tube receivers published in QST articles in the late 50s and 60s

Glowbugs

Circuits by Ken, K7EKB - mostly receivers for now.

The thermionic device website

A website devoted to electronic thermionic devices known as 'tubes' or 'valves'. Includes information on a homebrew 1.8 MHz transmitter. By Andrew Burge in England.

Glowbugs!

W5SUM and others present a variety of tube radio construction projects.

LU6HCQ vintage ham radio

Vintage radio in Argentina. Warning - site plays Dixie in midi and has annoying pop-ups.

AB4EL's Ham Radio WebPage

Notes, and archives about boatanchors, tube rigs, homebrewing, Heathkits and QRP.

4-1000A Project HF Amp

Detailed HF amp design, and radio modifications information.

Time Bandit 2a3

Plans for a homebrew tube audio amplifier using a 2A3, 6B4 or similar triodes.

Peter Dahl Company

Online catalog of ham radio transformers and other replacement parts.

Online Catalogs and Other Technical Publications

Transformer and tube data, primarily.

Radio Daze-Tools

Tools for homebrewers, including chassis punches.

Transistor Cross Reference Database

Useful site if you need a replacement part.

80m CW Transmitter

6BM8 amateur radio rig with 8 watts ouput by G0UPL.

K8EOP 5-band SSB transmitter

Site describes the rig built by this 'silent key', and it shows pictures and a description. Thanks to Al, W8UT.

PC VFO DDS Signal Generator

PC-VFO ISA DDS signal generator plans, schematics and information.

TARC Share The Wealth Program

Thompson Amateur Radio Club offers free parts for homebrewers. They have crystals, resistors, capacitors and a variety of other parts. You can also make donations! You pay postage plus 50 cents.

QRP and HOMEBREW

Homebrewing of tranceivers, receivers, transmitters and test equipment. [Italian - English]

Induction Generator

How to build dynamotors, and generators from old motors.

Radio Shaque

Early Ham Radio equipment recreation. Info on 1920's vintage radio construction.

DDS VFO

Build a PIC controlled DDS VFO, 0 to 6 MHz. Ideal for running older AM and CW gear with a STABLE signal.