This circuit was found in the July 1982 issue of Radio Electronics magazine. The integrated circuit is of a newly released type at the time.
This circuit generates a simple guess when you press CH1 and then release. The circuit can be...
This circuit receives, through a coil, audio signals emitted by another coil connected to the...
This circuit is based on the well-known PLL 567 and can operate at 100 kHz. The transformer can be...