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Posts tagged part 37

LM555 Electronics Schematic Diagram Manual Start – Missing Pulse Detector part 37

LM555 Electronics Schematic Diagram Manual Start – Missing Pulse Detector part 37

Antenna Switch Circuit

Antenna Switch Circuit Diagram using LM3914 Just tune in a station and then switch the AGC switch on and off

Sweeping Tone Alarm Beeper

Sweeping Tone Alarm Beeper using 4069, TIP29C, NECD882

Circuit 2N2222

Circuit 2N2222 for Headphone amplifier This circuit can source about 500mA continuously, You built a 2 transistor project and it worked great, but now it has stopped working. You decide the transistor may be faulty.

Stereo Audio Amplifiers

Stereo Audio Amplifiers circuit using stk439 Stereo Audio Amplifiers circuit using stk439 Stereo Audio Amplifiers R 1 ……….. 2 K 2 R 2,4 ……… 220 K R 3 ……….. 390 K R 5 ……….. 100 R 6 ……….. 120 R 7 ……….. 12 K R 8 ……….. 10 C 1 ……….. 470 pF C 2 […]

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