This circuit for a digital module was found in the September 1989 Radio Electronics magazine. The source must be symmetrical to the operational amplifier.
Found in a 1995 Hands-On Electronics, this circuit generates a sinusoidal signal whose frequency...
This circuit was obtained from Maxim documentation. The circuit has 4.5 and 5.5V thresholds for...
This basic voltmeter circuit has an input resistance of 2 M. The instrument is 100 uA and the...