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Circuits Electronics 7 MHz Popcorn VFO
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. […]

Amplifier Ocl circuit 80W hi-fi

Amplifier Ocl circuit 80W hi-fi using IC TDA2020

PNP transistor

PNP transistor system PNP transistor system

Loudspeaker Protection Circuit is really simple

Loudspeaker Protection Circuit is really simple, but the function Loudspeaker Protection Circuit is very important, because the Loudspeaker Protection will provide protection to Loudspeaker and other component. Because if the DC current flowing to the speakers must be disconnected as soon as possible. There are several issues that need to be resolved to ensure that […]

TDA2009 Circuit BCL 18W

TDA2009 Circuit BCL 18W Bridge audio power circuit

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