General purpose preamplifier

Posted on Jul 23, 2012

Not much can be said about how the LM382 works as most of the circuitry is contained within the IC. Most of the frequency-determining components are on the chip—only the capacitors are mounted externally

General purpose preamplifier
Click here to download the full size of the above Circuit.

The LM382 has the convenient characteristic of rejecting ripple on the supply line by about 100 dB, thus greatly reducing the quality requirment for the power supply.

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