This midrange filter for sound systems was found in the May 1988 issue of Radio Electronics magazine. The circuit is based on a dual amplifier that must be powered by a symmetrical source.
The circuit shown in the figure consists of a phase shift oscillator and its components have been...
This circuit generates damped sounds imitating a drum or other percussion instrument with...
This circuit is intended to indicate the operation of transmitters with powers above 5 W. The...