This circuit is indicated for supplying the CB17495E transmitter. The BD135 must have a small heat radiator and the zener may eventually have a higher voltage.
This circuit can be used with record players to recover media for CDs and others. The circuit can...
This small audio amplifier was found in an American publication in 1975, The integrated circuit used...
Used with old projector films, this circuit found in Signalite documentation from the 1980s,...