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標題Title: The design of a Sigma-Delta Modulator for multi-standard communication system applications
作者Authors: 汪輝明,黃啟原..等
上傳單位Department: 電機工程系
上傳時間Date: 2009-11-16
上傳者Author: 汪輝明
審核單位Department: 電機工程系
審核老師Teacher: 汪輝明
檔案類型Categories: 論文Thesis
關鍵詞Keyword: multi-bit sigma-delta modulator,feedforward structure
摘要Abstract: This post proposes a multi-bit sigma-delta modulator (SDM) for dual-mode communication applications. The SDM is operated at sampling frequencies of 13MHz/46.08MHz for GSM/ WCDMA modes. At 3.3V power supply, the proposed SDM can achieve the signal to noise plus distortion ratio (SNDR) of 87.52dB/70.03dB, respectively.

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2009_11_937742a5.pdf 34Kb pdf 670 175
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