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.
This circuit is based on an operational amplifier that must be powered by a symmetrical source. The...
This circuit was found in Japanese documentation from the 1960s. It is a commercial circuit with...
This is the transmitter for a remote-control system published in the August 1986 issue of Radio...