This circuit for the 1750 m band was published in the September 1989 Radio Electronics magazine. The range depends on the antenna system and receiver used.
Suggested by Sprague in the 90's documentation, this circuit applies to AC motors. The...
The diodes in this circuit are used for waveform correction. The circuit is from Electronics Now...
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...