The purpose of this circuit is to improve a trigger circuit using a zener diode. The circuit was found in an American documentation from 1964. It can be improved using equivalent modern components.
This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used...
This circuit uses an operational amplifier that is still common today. The indication is made by...
The circuit shown is from the National Semiconductor's Linear Applications Handbook. The CI is not...