This midrange filter for sound systems was found in the May 1988 issue of Radio Electronics magazine. The circuit is based on a dual amplifier that must be powered by a symmetrical source.
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...
This circuit can be used to add a delay to a logic signal as shown by the input and output...