Peak Reading Audio Level MeterThis simple schema will indicate peak audio response on an analogue meter, similar to a tape recorders meter. The schema uses an opamp as a non inverting amplifier, but with one addition - a diode in the feedback loop. The sc…Read More
Simple Audio AmplifierHere the simple and low cost audio amplifier schematic diagram. The schema is ideal for a pocket radio or other hand held audio equipments. The first part of the schema here is a preamplifier consisting of transistor Q1(2N222…Read More
Stereo TDA2822 audio power amplifier circuitIn this series I use IC tda2822M as the main amplifier, but if you want to use in addition to IC TDA2822M you can use ic I mentioned this is KA2209, NJM2073, U2822B, U2823B. Output is issued no more than 4W, which had low out…Read More
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