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 1983 Electronics Experimenters, but it can be easily assembled, since...
This circuit was found in Electronics Handbook, Vol XIII 1993 and consists of a simple direction...
This circuit was obtained from National Semiconductor's Linear Applications Handbook from 1994. The...