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.
Found in a Radio Electronics we have in the figure a circuit to disconnect an SCR with direct...
This two-stage circuit has a voltage gain of 100 times, with a high input impedance. The circuit is...
This circuit was obtained from a 90s Radio Electronics. The integrated circuit used HAA11508 is not...