This oscillator was found in the January 1987 issue of Radio Electronics magazine. The frequency is adjusted by C1, and the output has good symmetry. The power supply is typically 3 to 12 V.
This circuit was found in the August 1997 Electronics Now magazine. The circuit uses well-known...
We found this 3-digit digital odometer for bicycles (or another application) in a 1995...
We found this circuit in a 90s Electronic Design. The circuit is based on a quadruple operational...