AUDIO AMPLIFIERS PRINCIPLES, PT 1

Duration: 21 min

Year Published: 1942

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

Color: B&W

Sound: Optical sound

Description: Illustrates a schematic of an audio amplifier and identifies the biasing components. Traces the current flow through the circuit and compares the phase relationship between the input and output signals. Shows how to calculate the gain of a single stage audio amplifier and gives the effects that different values of components have on gain. (Kinescope)