This circuit monitors the output of a stereo amplifier, checking the balance and balance between the channels. The circuit is from American documentation from the 70s.
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
This tuning-free circuit was found in an old operating amplifier manual. The setting can serve as...
This circuit was found in the Spanish magazine that no more existis Mundo Electrónico, in a...