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The flea a 40m minimalist transceiver


The flea a 40m minimalist transceiver

Build transmitter qrp Flea 40m CW Minimalist TCVR

post 19 Nov 2024


Projects_Homebrew Links

170



Toroidal Helical Antenna CTHA
This new design of the System-G uses a Contrawound Toroidal Helical Antenna (CTHA) as a source of EM waves

Tasto elettrocio per la telegrafia
a coloro che si dedicano anche al CW, presentando un simpatico circuitino

TRX Sequencer
Questo semplice circuito e' rivolto a coloro che desiderano gestire direttamente tutto il processo di rice-trasmissione della propria stazione, avendo costruito preamplificatori d'antenna, amplificatori lineari

The MFJ tuner with the motor drive attached
MFJ doesn't seem to sell the tuner I've got anymore, but this setup can be used on any tuner that has either an inductor switch where the spring detent system can be defeated or a roller inductor


PIC-Keyer

PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

Conrad Electronic

Conrad Electronic Electronic components online shop in German and Italian