This circuit was found in a Popular Electronics from the 90s. The circuit has temperature compensation. Coil and capacitors depend on the frequency at which the circuit will be used.
This circuit indicates whether a cable or wire is energized by simply approaching its antenna. The...
This FM transmitter was described in the Radio Electronics magazine of June 1963. It operates in...
September 2016 - It can be purchased by Mouser Electronics the new board from Texas Instruments...