We found this circuit in documentation from the 90s. Instead of a voltmeter, you can use the voltage scale of a multimeter. The circuit tests batteries under load.
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...
This circuit produces the sound of a motorcycle or an outboard motor. The frequency is adjusted in the...
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...