采用2.0 /spl mu/m BiCMOS技术的有源偏移抵消的通用音频前置放大器

1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI:10.1109/MWSCAS.1998.759455

A. Boni, C. Morandi, S. Padoan, A. Pelicelli

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引用次数: 0

摘要

本文讨论了一种集成音频前置放大器的设计，该放大器提供从- 60db到0db的可编程增益，并可与平衡或不平衡音频信号源接口。在SDR和SNR方面的性能是Hi-Fi兼容的。放大器是更复杂的模拟ASIC的一部分，采用2 /spl mu/m， /spl plusmn/12.5 V电源，BiCMOS技术实现。

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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An universal audio preamplifier with active offset cancellation in a 2.0 /spl mu/m BiCMOS technology

This paper discusses the design of an integrated audio preamplifier, which provides programmable gain from -60 dB to 0 dB and can be interfaced to either balanced or unbalanced audio signal sources. Performance in terms of SDR and SNR are Hi-Fi compatible. The amplifier is part of a more complex analog ASIC, implemented in a 2 /spl mu/m, /spl plusmn/12.5 V supply, BiCMOS technology.

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1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)

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