![SOLVED: (c) Design and draw the circuit diagram for an inverting op-amp with a gain of -20 and an input impedance of 20k. (d) The same amplifier can be represented as the SOLVED: (c) Design and draw the circuit diagram for an inverting op-amp with a gain of -20 and an input impedance of 20k. (d) The same amplifier can be represented as the](https://cdn.numerade.com/ask_images/a22796a35a5247d0834a1a78882c789e.jpg)
SOLVED: (c) Design and draw the circuit diagram for an inverting op-amp with a gain of -20 and an input impedance of 20k. (d) The same amplifier can be represented as the
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Electronics | Free Full-Text | Analysis and Design of a Microphone Preamplifier for Mobile Applications
![Measuring input impedance and calculating output impedance calculation calculate audio amplifier op-amp how to measure impedance voltage gain total loudspeaker speaker microphone resistance resistor bridging matching test load loudspeaker source ... Measuring input impedance and calculating output impedance calculation calculate audio amplifier op-amp how to measure impedance voltage gain total loudspeaker speaker microphone resistance resistor bridging matching test load loudspeaker source ...](http://www.sengpielaudio.com/OutputImpedanceMeasure.gif)