INTRODUCTION TO HETERODYNING
Sign in to track this film in your collection or want list.
Defines the terms heterodyning, local oscillator, and mixer. Shows a mixed wave constructed graphically, and lists the frequencies produced by beating two electrical signals together. Uses tuning forks to demonstrate the heterodyning (or mixing) of two sound waves. Discusses the requirements of mixing and the methods of extracting the desired output frequency. (Kinescope)
Sources
- usgov-av-1974 — title, creator, length, color, sound, description
Record added 2026-07-01 03:45:51