This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is 1000 M ohm.
This circuit, which can be found elsewhere on this site, detects positive pulses of a signal. The...
April 2017 - Mouser Electronics already has in stock the Texas Instruments' new TPS54418A...
This circuit was found in a 1966 General Electric documentation. It makes use of direct contact...