This is the receiver circuit for the transmitter of the previous circuit using an integrated circuit of the time. The circuit is in the same Radio Electronics magazine as August 1986.
To operate in a harmonic of the crystal frequency, tuned to a trimmer in the resonant circuit of...
This amplifier for recording heads was found in a Radio Electronics from September 1963. The...
This circuit is from the 1983 Intersil Databook. The circuit operates on 5 V power and has a...