The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially

Gu Xue-min

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The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially

更新时间：2025-12-08

- The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially
- Acta Electronica Sinica Issue 3, Pages: 105-110(1980)
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- Published：1980
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[1]谷学敏.逐级进入式对数放大器的理论分析及应用[J].电子学报,1980(03):105-110.

Gu Xue-min. The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially[J]. Acta Electronica Sinica, 1980, (3): 105-110.
[1]谷学敏.逐级进入式对数放大器的理论分析及应用[J].电子学报,1980(03):105-110. DOI：

Gu Xue-min. The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially[J]. Acta Electronica Sinica, 1980, (3): 105-110. DOI：

摘要

本文着重讨论了逐级进入式对数放大器在各级参数并非一致、单级振幅特性斜率不连续、且单级对数的底是任意数时的理论。文末介绍了用此理论设计的动态范围达80dB、误差为1％的高精度对放的基本方法。

Abstract

The paper gives a theoretical analysis of a multi-stage logarithmic amplifier in which each stage is driven sequentially and in which the parameters of each stage are. not consistent

the slope of a single stage is discontinuous and the base of the logarithm of a single stage is arbitrary. It also discusses how to apply the theory to the design of highly accurate logarithmic amplifiers In addition

the last part of the paper presents an example for designing a logarithmic amplifier with 80dB dynamic range and an error of 1%.

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