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Posts tagged Power Amplifier

Tube Audio Amplifier Circuit

Tube Audio Amplifier Circuit using EL34, 6SN7, 12AX7

DC power converter

DC power converter 12V DC to 120V DC The most obvious approach would be to make a DC power converter 12V DC to 120V DC, output at 50 or 60 Hz, but this requires a rather large and heavy transformer. So it’s better to use a high frequency, at least 25kHz, so a very small […]

How to make a simple touch switch circuit

How to make a simple touch switch circuit ? Simple touch switch circuit using transistor : C945

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.

Transmitter Circuit

TV Transmitter Circuit TV Transmitter Circuit using BC547

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