Receiver for the 40m band LM602 (CB25305E)

This circuit uses an FM IF transformer for tuning. The circuit is from a Radio Electronics magazine from April 1990.

Voltage-controlled multivibrator (CB19826E)
This variable has its frequency controlled by voltages V1 and V2. The circuit is based on...
10 W-Transistor Amplifier II (CB998E)
We found this amplifier in a 1990 documentation. The transistors are common, having been made...
Current to Voltage Converter (CB12083E)
Within a range of values, this circuit converts input voltages into corresponding currents. The...