This squelch circuit is placed at the input of the single receiver audio amplifier stage. Its purpose is to silence background noise. The circuit is from an 80's documentation.
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...