diy power supply

Coaxial feeder or RF coax cable - An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another

I0JXX Ham Radio Parts  ^updated - VHF UHF Amateur radio antenna and antenna parts, accessories for homebrewers, antenna kits, tubes, antenna masts, antenna tripores, insulators, power amplifier mosfet, power splitters by I0JXX

TPL Com - VHF RF power amplifiers manufacturerr

Italy Amplifier - RF power amplifiers by Italy Amplifier

Eletec Broadcast - EB Broadcast provides Audio, Studio and Transmission Equipment, FM Transmitter, rf power amplifiers, audio processor for radio stations.

Meca Electronics - Attenuators, Couplers, Power Dividers, Terminations

PM-SDR - A new SDR-receiver from the italian SDR developers community. Low-cost, DDS-less Software Defined Radio full coverage receiver for all HF bands, used with powerful software on the PC for multi-mode operation

RF Noise Powerstroke Diesel - Reducing and removing RFI Noise

80M Fox-Or-Test Transmitter - The 80 metre fox-or/test transmitter is a small low power transmitter which is designed to be used as an alignment aid for running up 80 metre foxhunt or ARDF receivers. It is also usable as a micro transmitter for fox-or-ing events.

2M Programmable Fox-Or Transmitter - The 2 metre fox-or transmitter is a small low power transmitter which mounts in a small plasic pipe and runs off two AA batteries. The board measures just 12mm by 70mm.

Kenwood TS-940 Mods - Modifications for the Kenwood TS-940, TS-940S LCD Clock Display Erratic Operation, Talk Power Improvement, erratic display, ALC mod

FT-817 Automatic Band Select and Serial Interface - This project is an interface box for the Yaesu FT-817 that includes a band output port, a computer serial interface, and a remote interface for the FL-7000 solid state power amplifiers.

GES Electronics - Ham rasio shop in Chzeck republic, offer antennas, filters, roators, electronic components, cw keyers, power supplies, and other ham shack accessories

GU-43b Tetrode - The GU-43B tetrode is used for wideband power amplification at frequencies up to 100 MHz in RF equipment. This tube is generally considered analogous to the 4CX1000.

HF Power Amplifier by CT1FMS - An RF power Amplifier for HF bands with 3 GI-7B tubes by CT1FMS

VHF Power amplifier for 6m and 2m - YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V

50 MHz Power Amplifier - Home-brew 50 MHz Power Amplifier by UN8GC

2m GU-78b 4 kW Amplifier - 4 kW rf power amplifier for 2 meters band using GU78B / 4CX2500 by LZ2US

Homebrew 50 MHz Amplifier - Home made RF power amplifier for six meter band

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

Homebrewed RF power meters - Homebrewed handheld RF powermeters for various sensors by DL5NEG

Digital SWR Power Meter project - A PIC16F876 based, automatic 1.8 – 60 MHz Digital SWR/WATTmeter capable of displaying both the SWR and P.E.P.power values, with a bar graph on the second line tracking the instantaneous power.

20/22A or 30/32A 13.8 v power supply - 20/22 Ampere or 30/32 Ampere 13.8 volts power supply RE-PSF14A20 or PSF14A30 by ON6MU

4 Amp one transistor power supply - ON6MU 4 A power supply using a BDX33

Convert a PC Power Supply - Convert a PC power supply for your ham radio transceiver