The purpose of this circuit is to limit noise peaks on a radio receiver. The circuit is from an 80's documentation. The diode is commonly used and the circuit is applied to a receiver IF stage.
Originally, this 2000 documentation circuit was created to operate as a sensor for the parallel...
This circuit can be used to obtain a zener voltage from a common zener of another value, adjusting...
PIC16F19197 Microcontroller Family Combines Battery-Friendly LCD Drive with Core Independent...