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25W Audio Amplifier Circuit very simple

25W Audio Amplifier Circuit, Using IC TL081 and Tr TIP125, TIP120

Making Adaptec USB converter in the DVD player

Adaptec USB converter in the DVD player using the FT232BM, MAX3100cpd, PIC16f84, 93c46 The FT232BM requires a small number of external components.

32 khz crystal oscillator circuit

32 khz crystal oscillator circuit using 2n3904

Alarm sensor circuit

Simple Alarm sensor circuit diagram using BC557

qpsk modulator circuit

qpsk modulator circuit QPSK Demodulation and Audio Signal-Processing IC for Satellite Broadcast Reception using LC7851E Overview The LC7851E demodulates the QPSK (quadrature phase shift keying) modulated audio data broadcast by the Japanese BS and CS broadcast satellites and converts that data to an analog audio signal. This IC integrates on a single chip the audio […]

Circuit diagram Power Supply with good stabilization.

The power supply should be capable of supplying the maximum current required with good stabilization. I used commercially available 40 – 0 – 40 5A transformer. The transformer have 6V, 9V, 12V and 22V windings also. The transformer cost me around Rs: 370. Power supply provides 110 Volt 2.5 Amps or 55 Volt 5 Amps. […]

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