How to build a PC keyer and AM modulator for the EMTX emergency transmitter
by Thomas from The SWLing Post on (#5DJ08)
Many thanks to SWLing Post contributor, Kostas (SV3ORA), for sharing the following guest post which originally appeared on his radio website. Note that this project builds on the EMTX emergency transmitter project: PC keyer and AM modulator: A 15-components versatile keyer and powerful PSU modulator for the EMTX (Emergency Transmitter) by Kostas (SV3ORA) Introduction My very successful emergency [...]