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    题名: A double-sampling pseudo-two-path bandpass delta-sigma modulator
    作者: Liu, Shen-iuan;Kuo, Chien-hung;Tsai, Ruey-yuan;Wu, Jing-shown
    贡献者: 淡江大學電機工程學系
    日期: 2000-02
    上传时间: 2011-10-15 00:49:58 (UTC+8)
    摘要: A double-sampling pseudo-two-path bandpass modulator is proposed. This modulator has an output rate equal to twice the clock rate, uses 2 operational amplifiers (op-amps) for an th-order noise transfer function, and has reduced clock feedthrough in the signal path band. The required clocks can be simpler to implement than the conventional pseudo-two-path techniques. The measured signal-to-noise ratio and dynamic range of the fourth-order double-sampling pseudo-two-path bandpass modulator in a 30-kHz bandwidth at a center frequency of 2.5 MHz (at a clock frequency of 5 MHz) are 62 and 68 dB, respectively.
    關聯: IEEE Journal of Solid-State Circuits 35(2), pp.276-280
    显示于类别:[電機工程學系暨研究所] 期刊論文


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