This circuit for a digital module was found in the September 1989 Radio Electronics magazine. The source must be symmetrical to the operational amplifier.
In the circuit shown by figure 1, a10 mV AC signal applied to the input produces a 1 V signal in...
This circuit is suitable for the calibration of old analog oscilloscopes. It was found in...
This Power supply is intended to Power small loads with currents up to 30 mA. The voltage depends...