Electronic Tubes.

Duration: 100 ft.

Year Published: 1948

Format: 16mm

Color: B&W

Description: Actions, functions, and characteristics of the vacuum tube. Shows that since the changes of grid voltage can be duplicated only by larger changes of plate voltage, the triode tube acts as an amplifier.

Complete Record: ELECTRONIC TUBES. De Forest's Training, Inc., c1948. 100 ft., b&w, 16mm. (Radio Electronics. Reel lesson 8) Summary: Actions, functions, and characteristics of the vacuum tube. Shows that since the changes of grid voltage can be duplicated only by larger changes of plate voltage, the triode tube acts as an amplifier. © De Forest's Training, Inc.; 1Oct48; MP3901.