This oscillator provides a sinusoidal signal and can be applied to other operational amplifiers. The stabilization is done by diodes and for the indicated component values the frequency is 1 kHz.
This simple unregulated power supply with half-wave rectification is for small appliances that do...
This simple latching alarm circuit using CMOS gates was found in the May 1990 Radio Electronics magazine....
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...