This circuit for a digital module was found in the September 1989 Radio Electronics magazine. The source must be symmetrical to the operational amplifier.
This circuit uses a Norton operational amplifier to generate 1 kHz pulses with a 1 to 60...
The figure shows how to use a CMOS amplifier as a crystal-controlled oscillator. The circuit is...
The purpose of the circuit shown in the figure, obtained from a 1972 documentation, is to delay the...