This circuit is from 1967 General Electric documentation. It uses SUS which are not very common components today. The maximum frequency should not exceed a few kilohertz.
We found this circuit in Radio Electronics magazine. It triggers a load (relay) by the noise from...
August 2017 - Mouser Electronics is stocking the new Molex optical EMI shielding adapters. These...
This amplifier was obtained in a Harris documentation from the 90s. The circuit is high speed with...