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Bruce Trump

You have voted. Unity-gain-stable op amps won in a landslide—they’re far more popular than decompensated op amps. What’s this all about?

Click Here to read on EDN Magazine site.

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  • Mengchi-- Sorry for misspelling your name. I have old eyes.

    Imagine a transimpedance amplifier. R2 is the feedback resistor. R1 is the impedance of the current source driving the summing junction. The impedance of a current source is infinite. The gain if you were driving the non-inverting input is 1+ R2/R1 where R1 is infinite. -- Bruce

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  • Mengchi-- Sorry for misspelling your name. I have old eyes.

    Imagine a transimpedance amplifier. R2 is the feedback resistor. R1 is the impedance of the current source driving the summing junction. The impedance of a current source is infinite. The gain if you were driving the non-inverting input is 1+ R2/R1 where R1 is infinite. -- Bruce

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