Using one unijunction transistor and two bipolar transistors, this circuit generates a signal from 25 Hz to 3 kHz. The circuit is from Electronics Now magazine, January 0, 1994.
This sensor circuit was found in an American 1980s documentation. Modern operational amplifiers can...
This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces...
This LC circuit oscillator was found in the July 1993 issue of Electronics Now magazine. The...