This 1 kHz filter was found in the March 1997 issue of Electronics Now magazine. The circuit is applicable to any operational amplifier with a dual power source.
We found this guitar effects circuit in a 1997 documentation. As the components used are still...
This circuit was suggested by Siliconix in a 1980s publication. The circuit uses components from the time...
This oscillator produces an audible signal on a piezoelectric transducer. The frequency is...