Impedance Converter Amplifier - Circuit Analysis
Gregory explains the working principles of an Impedance Converter Amplifier, from an HP 334A Distortion Analyzer.
The amplifier uses positive feedback heavily, to increase open-loop gain and to linearize the input impedance.
Full negative feedback locks the closed-gain at unity, cleaning the heavy non-linear effects of transistor amplification.
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• Distortion and Nonlinearity Basics
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00:18 - Introduction
01:56 - Impedance Converter Amplifier
03:52 - Circuit analysis technique
05:32 - Positive feedback bootstrapping
09:02 - Input protection parasitic capacitances
11:28 - Negative feedback
Reference:
https://www.pascalchour.fr/ressources...
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