一种用于线性降噪的单片集成电路

1977 IEEE International Solid-State Circuits Conference. Digest of Technical Papers Pub Date : 1900-01-01 DOI:10.1109/ISSCC.1977.1155647

H. Yamada, M. Katakura

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引用次数: 1

摘要

压缩-膨胀系统(compors)，广泛用于降低信号传输中的噪声。然而，对数线性变换系统的集成电路实现一直被认为是困难的，因为这些电路需要高性能的PNP晶体管。本文将描述一种包含具有高性能特性的等效PNP晶体管的系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A monolithic IC for decibel-linear noise reduction

LEVEL COMPRESSION-EXPANSION systems (compandors), are widely used for reducing noise in signal transmission’ 3 2 . However, the IC realization of the log linear transformation system has been considered difficult due to the requirement for high performance PNP transistors in these circuits. A system which incorporates an equivalent PNP transistor with high performance characteristics will be described.

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1977 IEEE International Solid-State Circuits Conference. Digest of Technical Papers

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