Using CMOS circuits and operational amplifiers of the time, this circuit was found in the September 1977 issue of Radio Electronics magazine. The circuit is powered by a 15 V power source.
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...
In fact, this is the circuit also known as “vox”, that is, a relay triggered by sound. This...
This circuit can be used with transmitters in the 3 to 30 MHz frequency range also functioning as a...