This circuit is used to detect PLL signals from the 4046 IC. The circuit is from an Electronics Now from October 1994. The indication is made through LEDs.
This circuit was suggested by the Texas Instruments optoelectronics manual. The same configuration can be...
The TBA810 integrated circuit is no longer common today. This circuit shows an application of this...
The waveform generated by this circuit produces a sound similar to that of a bird. The circuit is based...