Schematic Power Amplifier and Layout

Echo Repeter and preamp mic schematic Part R1,6,25,36,48,54           2K2 R2,7,16,27               470K R3,8,26,31               12K R4,9,39               220R R5,10                   22K R11                   1M5 R12,45                   10K R13,52,53,58,59           […]

RF circuit Design information RF circuit using 2SA1037K , UN 2112

Electronic circuit diagram audio amplifier AN7124 3w

Create an Electronic GPS to Monitor Earthquakes

Relay Driver circuit using NE5534, LDR – Light Dependent Resistor