We found this circuit in an old American documentation. The operational amplifier is from the time and the output used to control an SCR or other power control.
This circuit was found in a 1980s documentation, using a comparator from the time. The...
Using circuits from Analog Devices, this circuit does not need a symmetrical power supply. It is...
The Sample and Hold circuit shown in the figure was found in a 1994 Linear Applications Handbook by...