SCR-300
Videos
The SCR-300, designated AN/VRC-3 under the Joint Electronics Type Designation System, was a portable frequency modulated radio transceiver used by US Signal Corps in World War II. This backpack-mounte
Motorola SCR-300 circa 1940
Vibrator (electronic)
Videos
A vibrator is an electromechanical device that takes a DC electrical supply and converts it into pulses that can be fed into a transformer. It is similar in purpose to the solid-state power inverter.
SCR-300
…TM 11-242 for Radio Set SCR-300-A (1945) TM 11-983 for PP-114 Vibrator power supply (1945) TM 11-637 for AN/VRC-3 (1944…
A pair of Heathkit-brand vibrators manufactured by James Electronics, with octal bases. The one on the right has been stripped of the aluminum cap so the inner components can be seen.
An electro-mechanical vibrator from the Grass Instrument Co. Used as part of a chopper amplifier in polygraph input amplifier.
Schematic diagram of a typical circuit to convert low voltage DC to high voltage DC