MKII FMTV modulator

MKI FMTV modulator

Other RF projects

Three stage 23cm amplifier

9cm upconverter

3cm upconverter

Aerial designs

Colinear aerial for 50cm band

Broad side colinear aerial for 23cm band

Yagi for 23cm band

FMTV Receiver

Digital ATV (DVB)

Stereo sound for 70 & 50cm bands

FM stereo system

Analog A2 stereo system

Digital Radio (DRM)

I & Q Modulator

One watt HF amplifier

Phasing transceiver

I&Q Phasing transceiver for HF

DSE K-7620 Spectrum Analyzer Kitset Modifications