KG4JJH’s FT-817 Vocal Master Kit

I had a lot of fun operating low power with my Yaesu FT-817 portable HF transceiver, but have often wished that it had some audio or RF processing to add a little SSB punch. There are some excellent audio processing access – sories available commercially, but I thought this would make a great home-brew project…

Reuter DR50B HF QRP Transceiver

The German “RDR50B” is a radio receiver with transceiver option and based on DSP (two 16-bit ADC). He has a 18 cm (7 “) wide screen with touch panel. The entire unit is operated via this touch panel and the control knob. The desired settings can be tapped directly on the display and then changed…

KX3 Overall Architecture

The revolutionary Elecraft KX3 HF transceiver puts the world in the palm of your hand! Despite its small size, it covers all amateur bands from 160-6 meters, operates in all modes, and has DSP-based features usually found only on larger radios. The KX3’s unique form-factor allows you to operate from anywhere. Fold out the rear…

KN-Q7A Single Band SSB Transceiver Kit

The KN-Q7A single band SSB transceiver kit was designed specifically for the worldwide market by BA6BF, and kitted by BD6CR/4. As the upgraded version of the popular KN-Q7 (more than 500 kits were sold worldwide), the KN-Q7A has an improved circuit design and component selection, which makes it an ideal candidate for field operation, back…