General-Purpose Preamp

Posted on Apr 16, 2012    3260

This amplifier is useful for audio and video applications. Gain is set by Rf and the voltage gain of this amplifier

General-Purpose Preamp - schematic

is approximately 1 + i//560, where R/vs, in ohms. Bandwidth depends on gain selected, but typically it is several MHz. R/= 5.1 KOhmhm, which produces a gain of 10 (20 dB) voltage.

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