2m power

HF Antenna Switch - The purpose of this remote antenna switch was to be able to select between four different antenna combinations The unit was designed to work at RF power levels of around 100 watts by G8JNJ

The simple 144/440 copper pipe J - Projects by Dale Kubichek, N6JSX

A UHF Discone Antenna for scanners - Article on discone antennas by William K2MQJ and Rudolf KA2CWL

HF VHF mini antenna tuner - A small antenna tuner project that cover from 3 to 150 Mhz with a max power of 50 watts by ON6MU

VHF/UHF Folded Diplole - This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm

Windsor Exports - Supplier and exporter of generator, diesel generator, petrol generator, industrial generator, silent generator, power generator, electricity generator, gas generator, air cooled generator, gensets 1kva, 2kva, 5kva, 10kva, 50kva, 100kva, 250kva

Keithley Instruments Inc. - Digital multimeters, power supplies, frequency counters, RF analyzers, signal generators

Phase Matrix - Frequency Counter w/Selective Power Measurement, Microwave Sythesized Signal Generator

Hioki - Memory recorders, Power meters, testers and multimeters, noise testers, signal generators

Yokogawa - Maker of optical spectrum analyzers, digital oscilloscope, digital power meters and more test equipmente related products

Icom IC-756 PRO Repair - Repair of a 756pro that was powering up always on TX due to some damage in the ACC1 connector area

5 Amp power supply for portable usage - A 13,8v/5Amp 78H05 based power supply for portable use. In this example used to power up a Yaesu FT-817

Altronics - Electronic shop form australia, test equipment, components, switches connectors power supplies transformers, electroni kits and cables

Leader Instruments - Test Equipment Depot - New and pre-owned agilent, avcom, fluke, hewlett packard, instek, iwatsu, leader, lecroy, tektronix,and more. Analog oscilloscopes, spectrum analyzers, network analyzers, power supplies, video test equipment, generators, meters and more

SigJenny - SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!

RF Amplifier basics - Introduction to RF power amplifiers. Basics and guidelines. by wb0nni

Amplifier for 15 and 17 meter band - The two linear amplifiers are ment for use with QRP SSB/CW/FM/AM transmitters on the amateur bands 15 and 17 meters can be powered from a 12 volt DC supply by ON6MU

A GS-35B Amp For HF - The Show and Tell amp, a GS-35B RF power amplifier for HF being built by W4ZT

Power supply from 3 to 30 V with an L200 IC - This was written by dl5dbm, Anwar von Sroka

Power Supply Design - A home learning tutorial on the basics of designing simple power supplies for radio projects by VK2TIP

HV power supplies - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.

30 Volt Computer Power Supply Stack - What do you do with a bunch of old computer power supplies?

Multi-functional Power Supplies - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU

12/20 Ampere power supplies - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU

Astron RS35m Power Supply Schematic - Astron RS35m Power Supply Schematic annotated with Notes from QST Hands-On Radio, "Experiment #35—Power Supply Analysis" PDF File