An IF-to-Baseband $\Sigma \Delta$ Modulator for AM/FM/IBOC Radio Receivers With a 118 dB Dynamic Range

Paulo G. R. Silva,Lucien J. Breems,Kofi A. A. Makinwa,Raf Roovers,Johan H. Huijsing

IEEE Journal of Solid-State Circuits（2007）

引用 40|浏览3

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摘要

A single-bit fifth-order complex continuous-time IF-to-baseband SigmaDelta modulator for AM/FM/IBOC receivers is presented. The input IF is 10.7 MHz and the sampling frequency is 41.7 MHz. The modulator achieves a dynamic range of 118dB in AM mode (3 kHz BW), 98dB in FM mode (200 kHz BW), and 86dB in IBOC mode (500 kHz BW). The modulator's high dynamic range enables the realization of an AM radio ...

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关键词

Delta-sigma modulation,Dynamic range,Frequency modulation,Receivers,Image sampling,Filters,Costs,Noise figure,Bandwidth,CMOS process

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