This circuit monitors the output of a stereo amplifier, checking the balance and balance between the channels. The circuit is from American documentation from the 70s.
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...