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Title: A double-sampling pseudo-two-path bandpass ΔΣ modulator
Authors: 國立臺灣師範大學電機工程學系
Shen-Iuan Liu
Chien-Hung Kuo
Ruey-Yuan Tsai
Jingshown Wu
Issue Date: 1-Feb-2000
Publisher: Institute of Electrical and Electronics Engineers�(IEEE)
Abstract: 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.
ISSN: 0018-9200
Other Identifiers: ntnulib_tp_E0610_01_010
Appears in Collections:教師著作

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