This circuit was found in the September 1989 issue of Radio Electronics magazine. The circuit uses components that support modern equivalents such as the operational amplifier.
This circuit fires by burning the fuse when the input voltage exceeds the value referenced by the zener....
This passive circuit was found in a 1980s documentation. The circuit serves to indicate the...
The frequency of this circuit can be varied from zero. The circuit uses the CMOS 4046 and was...