This circuit is from an old American publication. It divides a 40 to 60 MHz TTL signal by integer values such as 2, 3 or 4. The circuit must be powered by 5 V.
The frequency of this unijunction oscillator is determined by the crystal whose maximum frequency is...
This interesting sound effect circuit that produces the sound of bulls or Bull Horn was found in...
This PLL circuit includes a small amplification stage. We found it in the December 1989 Radio...