электроника моего детства.

[yanik]

Uploaded on Feb 7, 2010
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Homemade magnetic amplifiers can be made from common transformers and toroids. This video shows the control of a car headlight using a potentiometer and a magnetic amplifier made from normal 12 volt transformers.

This video also shows an audio magnetic amplifier, made from junk box toroids, being used to amplify the audio signal from a crystal set. Gain is also demonstrated with acoustic feedback between two speakers. [Ссылки могут видеть только зарегистрированные пользователи]