DC Motor Controller
The venerable National Semiconductor dc motor controller IC combines with a modern PICAXE micro-controller to provide one-knob tuning control of a small loop antenna.
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Ham Radio . Magnum Experimentum
Antennas, experiments, engineering and other articles of interest to radio folks.
The venerable National Semiconductor dc motor controller IC combines with a modern PICAXE micro-controller to provide one-knob tuning control of a small loop antenna.