We found this circuit in the 1977 RCA Solid State ICs. The circuit consists of a current amplifier with a gain of 1000. The supply must be made from a symmetrical source.
This circuit for heating elements was taken from a 1966 General Electric manual. The SCRs are...
This circuit also detects leaks and rain. I found it in a 1967 English magazine, but it can be...
August 2017 - This Maxim component, available from Mouser Electronics, is ideal for wearables,...