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Archives for November, 2015

Amplifier Schematic

Amplifier Schematic 4000W Power amplifier schematic using MJ15003, MJ15004, 2N4538, 2N6421, 2N6433

Frequency Signal Generator

Frequency Signal Generator signal generator Frequency Signal Generator using Crystal Oscillator Signal Generator Frequency for your electronic equipment supplies in repairing electronic devices

DUAL LED LEVEL METER DRIVER

5 DOT circuit for DUAL LED LEVEL METER DRIVER using KA2281 5 DOT circuit for DUAL LED LEVEL METER DRIVER using KA2281 5 DOT DUAL LED LEVEL METER DRIVER The KA2281 is a monolithic integrated circuit consisting of a 2-channel LED level meter driver which was disigned for use in stereo radio cassette tape recorders […]

High voltage op amp

high voltage op amp using UA741 The op-amp UA741 is wired to operate in three frequency ranges- high, medium and low. The circuit is designed such that the circuit produces +/-20 dB boost or attenuation for 50Hz,1KHz and 10Khz by varying POT’s R2. The maximum amplification for any of these bands at maximum supply voltage […]

50 watts audio amplifier

50 watts audio amplifier using LM3876

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