This circuit for antiparallel control of thyristors was found in a Philips publication from 1967. The circuit uses components of the time, and the power components must be mounted on heat sinks.
This is the basic configuration of an operational amplifier sample & hold circuit. The FET and...
The integrated circuit 4136 consists of operational amplifiers of type 741 in the same enclosure and...
We find this circuit in a 1987 publication. It makes use of comparators constructed around the 741...