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The OP

Published on 2021-6-30 10:47 来自手机 Only look at the author

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Analyze the circuit principle, the role of each capacitor and resistor, and why the magnification digit 31 is actually magnified 16 times

LM1875

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minihang

Front row support observation and learning Details Published on 2021-6-30 15:08

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maychang

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Published on 2021-6-30 14:05 Only look at the author

"Also why is the magnification digit 31 actually magnified to 16 times?"

Is the attenuation of R4 not taken into account? If R4 is taken into account, 31*0.55=17.

This post is from Analog electronics

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minihang

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Published on 2021-6-30 15:08 Only look at the author

Front row support observation and learning

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