This low-pass circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit is part of a home theater sound system.
This circuit, from a 1978 publication, emits a modulated signal when the fine sensor is...
This circuit uses two oscillators to produce a sound that seems the sound of a ring-bell. The...
This circuit for controlling high power LEDs (up to 2A) is from a General Electric documentation from...