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.
Based on NXP 74HC logic, this circuit can be adapted for various uses. The circuit can also be...
This mixer or audio mixer uses common FETs that can be the BF245 or MPF102 and an operational...
This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common...