This circuit is an improved version of the previous ones with the LM3914. We found it in the March 1992 issue of Radio Electronics magazine.
This sound effect for guitars uses a 555 to modulate the signal from an instgrument pick-up. The...
This filter for scratch and rumble noises that occur on turntables was found in the February 1995...
This 1970 Electronic Design circuit uses a varactor or varicap. The circuit divides the frequency...