AUDIO AMPLIFIERS

Duration: 28 min

Year Published: 1942

Creator: Department of the Air Force (Department of Defense)

Color: B&W

Sound: Optical sound

Description: Shows how a schematic diagram of a single-ended audio amplifier is drawn. Demonstrates three methods of connecting audio amplifiers in cascade. Based on some symptoms of malfunctions, gives a list of possible troubles, with an analysis of how to locate the trouble. Explains why phase inversion is used in grounded cathode amplifiers. (Kinescope)