David W Knight
Ottery St Mary,
Devon, UK.
From Transmitter to Antenna:
HF power transmission theory and practice
.
AC theory, Components and Materials, Inductors and Transformers, Impedance matching, RF bridges.
Low-pressure gas ionised by the electric field of a resonating inductor. see:
coil resonance experiments
.
Demodulators and
sigal rectifiers
Recent additions
& corrections
Gas Discharge Tubes,
spark gaps & thyratrons
Digital Frequency
Readout
Andy Cowley's
Valve Pages
(see also:
Introduction
)
Nixie and other digital indicator tubes.
Workshop
Commercial radio equipment
.
Notes
&
mods.
Using the SGC 230 'Smartuner' in a balanced antenna configuration
.
Racal RA17:
Receivers,
Adapters, etc.
Optics & Photography
(General and underwater)
Swimming pool engineering
Web Links -
Radio & Electronics
Last uploaded: 2018-03-18 (4253 files, 380 MiB)
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