This circuit was found in a PC documentation from 1996. It can be used as a shield with modern microcontrollers.
This 45 to 90 Hz hum elimination circuit was obtained from a 1980s documentation. The operational can...
The traditional inverter amplifier configuration with the operational 741 shown in the figure is...
This circuit that imitates the sound of the cowboys' calls with their “louder” was found in a...