This circuit was presented in a January 1990 Radio Electronics magazine article as part of a home theater sound effects system. It consists of a 3 kHz high-pass filter.
This circuit has some differences from the conventional types of control in which the delay in the...
This interesting AC / AC converter is only indicated for resistive loads and was obtained in a...
This circuit consists of an electret microphone amplifier powered by a 12 V voltage. A regulator is...