Homebrew

WN2A Homebrew Heaven - Stuff for Homebrewer

Ham Radio Circuits - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.

JF1OZL - Large list of homemade projects and designs

SM0VPO Homebrew pages - Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated.

Homebrew projects by dl5dbm - KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more

SP5GJN - HF Power Amplifiers - HF home meade power amplifiers by SP5GJN

EI9GQ - Homebrew page with some great homebrew gear shown here.

Homebrew your own inductors - Can’t find the inductors you need for an antenna, a tuner or amplifier? Build your own—it’s easy! By Robert H. Johns, W3JIP

IZ7ATH Projects - Antennas, Keyer, amplifier, transverter, baluns

Ham Radio Homebrewing by IK3OIL - A collection of projects for Amateur Radio Homebrewing enthusiasts

Install a PL-259 on an RG-8X - A better way to install PL-259 connectors on RG-8X type coax by Dan Richardson, K6MHE

GW0VMR construction ideas - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory

W8JI Technical pages - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

A 20 Ampere / 13,8V power supply - A 20 ampere and more 13,8V power supply for RTX

OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver

Antenna elevator system for amateur satellites - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.

A *balanced* balanced antenna tuner - The published version of this article appeared in the February 1990 issue of QST Magazine

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.

N3LS Larry - Amateur radio links and homebrew projects

G3PTO - Homebuilt Amateur Radio & CW communications web site

HA8ET Technical & Homebrew pages - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

F5RDH homebrew projects - some interestig homebrew projects

Ferrite information - Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression by CWS ByteMark

LC METER - Inductance and Capacitance meter using``Frequency Shifted Oscillator

QRP 20m Antenna Tuner Unit - A QRP antenna tuner for 20 meters band

ON5ZO Homebrewings - ON5ZO's homepage with station description, info and homebrew projects

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas

A Simple Telegraph Key - How To Build Code-Practice Apparatus: A Simple Telegraph Key

QRO GU-84B TETRODE - GU-84B Homebrew HF Amplifiers

Some good ideas for a big Delta Loop antenna - A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)

40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer

ESR METER: (Equivalent Serie Resistance of capacitors) - Esr meter to measure the equivalent serie resistance of capacitors

7 MHz SSB Transceiver  ^pop - 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.

A *balanced* balanced antenna tuner  ^pop - The published version of this article appeared in the February 1990 issue of QST Magazine

A 20 Ampere / 13,8V power supply  ^{updated  pop} - A 20 ampere and more 13,8V power supply for RTX

Antenna elevator system for amateur satellites  ^pop - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.

EI9GQ  ^pop - Homebrew page with some great homebrew gear shown here.

G3PTO  ^pop - Homebuilt Amateur Radio & CW communications web site

GW0VMR construction ideas  ^pop - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory

HA8ET Technical & Homebrew pages  ^pop Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.

Ham Radio Homebrewing by IK3OIL  ^pop - A collection of projects for Amateur Radio Homebrewing enthusiasts

Homebrew projects by dl5dbm  ^pop Priority listing - KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more

Homebrew your own inductors  ^pop - Can’t find the inductors you need for an antenna, a tuner or amplifier? Build your own—it’s easy! By Robert H. Johns, W3JIP

Install a PL-259 on an RG-8X  ^pop - A better way to install PL-259 connectors on RG-8X type coax by Dan Richardson, K6MHE

IZ7ATH Projects  ^pop - Antennas, Keyer, amplifier, transverter, baluns

JF1OZL  ^pop - Large list of homemade projects and designs

N3LS Larry  ^pop - Amateur radio links and homebrew projects

OH7SV Matti Hohtola Ham Projects  ^pop - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver

SM0VPO Homebrew pages  ^pop - Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated.

SP5GJN - HF Power Amplifiers  ^pop - HF home meade power amplifiers by SP5GJN

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

WN2A Homebrew Heaven  ^pop - Stuff for Homebrewer

23cm PSK packet RTX - 23cm PSK packet-radio RTX for 1.2Mbit/s user access by Matjaz Vidmar, S53MV

27Cxx Eprom programmer and KissEprom - Simple eprom programmer for 27Cxx family , used in TNC and G3ruh modem, eprom tutorial, schematics and KissEprom software for windows by iz7ath

40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer

430MHz ATV transmitter - ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

70 cm Power splitter - A simple accurate power splitter for the 70cm uplink to Oscar 13 by G8EUX

75 meter AM Transceiver - Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver

A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.

A cheap S Meter - A low-level voltage meter and could even be used for audio purposes.

A D-ATV transmitter project - Build this simple and cheap 70 MHz Exciter and start to transmit Digital Television by Jean-François Fourcadier, F4DAY

A Flexible Digital-Mode Interface - One interface, all the software—here’s how to do it simplyand inexpensively. QST article by Jim Mitrenga N9ART

A Modern Thermocouple Ammeter - Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF

A Pb Battery Recharger - The starting idea was to build a battery charger for Pb battery used in car and moto...

A PIC16F84 based CW Decoder - CW decoder project that automatically adapts itself to the CW rate and may be employed for learning purpose substituting the traditional tone generator and offering the capability of displaying the keyed code.

A Simple Dual Band SSB Transceiver - Homebrew a dual-band transceiver with a crisp receiver and a clean SSB signal

A Simple Telegraph Key - How To Build Code-Practice Apparatus: A Simple Telegraph Key

A Simple VFO for 80 and 160 Meters - This VFO is simple to build and is quite stable.

ACWS: Automatic CW Sender by iz7ath - Simple circuit, with a simple push, transmit a memorized Cw messages

Analog Inputs on a KPC-9612 TNC - Modify a KPC-9612 to give a total of four analog input for remote monitoring and telemetry.

APRS Tracker - A near-copy of the PIC-E running the GPS-2E firmware

AR8000 Serial Link - A simple and inexpensive way to connect an AR8000 to a portable computer

Automatic Band Decoders - Build your own band decoder, for kenwood rigs too

Automatic Band Decoders - To build a Band Decoder to drive our remote relays, we need to supply the band information from the rig to the decoder

Band decoder - Automatic and decoder project by sm3wmv

Basic RF Oscillator - A simple RF oscillator by Harry Lythall - SM0VPO

Batlabs - Motorola two way systems technical documents

Bluetooth Audio and Amateur Radio - Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?

Bowden's Hobby Circuits - A small collection of electronic circuits for the hobbyist or student. Site includes over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. Most of the circuits can be built with common components available from Radio Shack or salvaged from scrap electronic equipment