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2025-04-07 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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What are the characteristics of integrated operational amplifier working in nonlinear region? I believe that many inexperienced people are helpless about this. For this reason, this article summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.
1. Characteristics of integrated operational amplifier working in linear region:
(1) Virtual short: When the integrated operational amplifier works in the linear region, the voltages at the non-inverting end and the inverting end are almost equal, so it is called a false short circuit, referred to as a virtual short.
(2) Virtual break: When the integrated operational amplifier works in the linear region, the current flowing into the non-inverting terminal and the inverting terminal is almost zero, so it is called a false break, referred to as a virtual break.
2. Characteristics of integrated operational amplifier working in nonlinear region:
Uo is equal to +Uom when the non-inverting terminal voltage is greater than the inverting terminal voltage, i.e. U+ is greater than U-; Uo is equal to-Uom when the non-inverting terminal voltage is less than the inverting terminal voltage, i.e. U+ is less than U-.
Additional information:
(1) The most basic application circuit of integrated operational amplifier working in linear working state can be divided into inverting proportional operation circuit and in-phase proportional operation circuit.
(2) Integrated operational amplifier
Integrated operational amplifier is referred to as integrated operational amplifier, its internal is directly coupled multi-stage amplifier, the whole circuit can be divided into input stage, intermediate stage, output stage three parts.
Differential amplifier circuits are used in the input stage to eliminate zero drift and suppress interference; common emitter circuits are generally used in the intermediate stage to obtain sufficiently high voltage gain;
The output stage generally adopts complementary symmetrical power amplifier circuits to output large enough voltage and current, with small output resistance and strong load capacity.
Integrated operational amplifier is generally composed of four parts: input terminal, output terminal, bias circuit and intermediate set. For more information, please visit!
After reading the above content, do you master the method of what characteristics the integrated operational amplifier has in the nonlinear region? If you still want to learn more skills or want to know more related content, welcome to pay attention to the industry information channel, thank you for reading!
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