This circuit is from an 80's Electronic Engineering. The base is a common operating and 4 single integrated voltage comparators. The circuit directly drives 4 indicator LEDs.
This circuit using a SIDAC is suggested by ON Semiconductor in its thyristor manual. The circuit...
January 2017 - The new Honeywell RSC TruStability ™ pressure sensor mounting board is available from...
Suggested by Motorola in 1968 documentation, this circuit has an efficiency of 70%. Power...