This circuit was found in a 90s Electronic Design. The circuit is for TTL technology and can function as a shield for microcontrollers.
This low-frequency noise filter of the turntable motor was found in Radio Electronics from the...
The presented circuit has the output voltage digitally selected by the transistors on pin 4 and,...
This is the basic version of a gain 20 amplifier with the LM386 providing a few hundred...