Used with old projector films, this circuit found in Signalite documentation from the 1980s, records digital information on 35 mm films.
April 18, 2016 - Mouser Electronics, Inc., the global authorized distributor with the newest...
This circuit was found in an Australian publication from 1991. It is a transmitter that transmits a...
RF or even switching transistors like the 2N2222 can be used in this circuit. The capacitors are ceramic...