带多路数字滤波器的插值PCM编解码器

1980 IEEE International Solid-State Circuits Conference. Digest of Technical Papers Pub Date : 1900-01-01 DOI:10.1109/isscc.1980.1156029

H. Kuwahara, H. Kosugi, K. Imai, O. Yumoto, M. Ohnishi, E. Amada, T. Okabe, H. Shirasu

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引用次数: 1

摘要

一个单片编解码器-一个32kHz采样12b线性AD/DA -与前置后置滤波器实现在I2L无修整，将被描述。数字滤波芯片在四个编解码器之间共享:它具有88dB动态范围，工作频率为2MHz，字长为16b。

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Interpolative PCM CODECs with multiplexed digital filters

A single-chip CODEC - a 32kHz sampling 12b linear AD/DA - with pre-post - filters implemented in I2L without trimruing, will be described. The digital filter chip is shared between four CODECs: it has a 88dB dynamic range and operates at 2MHz with 16b word length.

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来源期刊

1980 IEEE International Solid-State Circuits Conference. Digest of Technical Papers

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