This circuit can be used in a signal level indicator with LEDs. The circuit is from an Electronics Now dated January 1996. The power supply must be dual.
We found this circuit in a 1979 Poptronics. The coil is formed by 5 turns of wire 28 in an...
This simple latching alarm circuit using CMOS gates was found in the May 1990 Radio Electronics magazine....
High performance 16 A Buck regulators capable of operating at 2.7 to 4.8 V voltages and 0.25 to...