This 80's circuitry decodes stereo signals used in analog TV at the time. The circuit can be used with VCRs to retrieve signals for passage on other media. The power supply is 12 V.
This circuit for a receiver was found in an English documentation from 1963. The transistor is made of...
This circuit produces modulated tones in a loudspeaker. The effects can be adjusted by the...
This circuit, which can be used to indicate the movement of an object, was found in NASA...