1.8 V 94 dB动态范围/spl Sigma//spl Delta/调制器用于语音应用

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC Pub Date : 1996-02-08 DOI:10.1109/ISSCC.1996.488583

E. MacRobbie, R. Halim, G. Temes

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引用次数: 20

摘要

这种二阶开关电容(SC) /spl Sigma//spl Delta/调制器使用1.8 V电源。该电路在300 Hz-3.5 kHz频段内提供15b信噪比性能，因此在语音编解码器中具有应用价值。该电路的标称信噪比性能为16b。

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A 1.8 V 94 dB dynamic range /spl Sigma//spl Delta/ modulator for voice applications

This 2nd-order switched-capacitor (SC) /spl Sigma//spl Delta/ modulator uses a 1.8 V power supply. The circuit provides 15 b S/N performance over the 300 Hz-3.5 kHz band and hence has application in voice codecs. The circuit is designed for a nominal S/N performance of 16 b.

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来源期刊

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC

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