G3YNH.info

David Knight G3YNH
Ottery St Mary, Devon, UK

From Transmitter to Antenna:
HF power transmission theory and practice
.

Internal impedance of round wires. New continuous approximations for AC resistance and internal inductance giving better than ±0.2% accuracy.

Racal RA17:
Receivers,
Adapters, etc.

An EMC problem at the Norman Lockyer Observatory.

Using the SGC 230 'Smartuner' in a balanced antenna configuration.

Notes on the Kenwood TS430S HF Transceiver

Nixie Tube and 74141 application data.
Digital Frequency Readout for Single-Conversion HF Radio Receivers .

The NLO HF X-Dipole Antenna.
MFJ989C Versatuner modifications.
Linear RMS Sensing Voltmeter and AM Detector.
TBA120 Series FM Demodulator ICs.
Microwave Modules MML144/100-LS 2m Linear Amp.

Links to related websites.

Version 1.93, 14th May 2008 (1495 files, 44.1MB)