This old two-stage video amplifier uses integrated circuits that are not easily obtainable today. The circuit is for analog video and was found in an American 1980s documentation.
This Texas Instruments integrated circuit, available from Mouser Electronics, has a 91 dB common...
This circuit was obtained from a 1977 magazine, but can still be mounted using BC548 for TR1 and...
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....