This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. How To Build Code-Practice Apparatus: A Simple Telegraph Key Inductance and Capacitance meter using``Frequency Shifted OscillatorĭIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. Homebuilt Amateur Radio & CW communications web siteįerrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppressionĭesign Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression
Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.Īmateur radio links and homebrew projects The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO,ĥ0 ohm to 200 ohm HF wide band transformers,įerrite 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 TransceiverĬircuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. The published version of this article appeared in the February 1990 issue of QST Magazine This page inform you of the actuator's secrets.Īmplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.Ī 20 ampere and more 13,8V power supply for RTX 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. Smart homebrew antenna-ELEVATOR system with linear actuator. Antenna elevator system for amateur satellites.Homebrew page with some great homebrew gear shown here.Īntennas, Keyer, amplifier, transverter, balunsĪ collection of projects for Amateur Radio Homebrewing enthusiasts KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated.Ĭannot find the inductors you need for an antenna, a tuner or amplifier ? Build your own it is Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.
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