Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be replaced with equivalents. MOSFET is the critical component of the circuit.
We obtained this circuit from a 1993 documentation. The circuit has 9 current ranges that are...
This FM receiver tuning step circuit was found in a 1960 documentation. No information about the...
This circuit consists of two stages that each shift 180 degrees the signal. The circuit was...