Using a new circuit technology, the ground-referenced LM4922 fixed-gain, audio-power amplifier uses a charge pump to generate a negative reference voltage. This approach allows the outputs to be ...
How are mutually exclusive goals achieved together without major cost? In the realm of portable audio, where small space, high performance and low cost are all sought, the system designer is usually ...
We are all used to the op-amp, as a little black box from which we can derive an astonishingly useful range of circuit functions. But of course within it lurks a transistor circuit on a chip, and ...
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