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A New Approach to Complex Bandpass Sigma Delta Modulator Design for GPS/Galileo Receiver
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作者 nima ahmadpoor Ebrahim Farshidi 《Circuits and Systems》 2012年第1期35-41,共7页
In this paper, new complex band pass filter architecture for continuous time complex band pass sigma delta modulator is presented. In continuation of paper the modulator is designed for GPS and Galileo receiver. This ... In this paper, new complex band pass filter architecture for continuous time complex band pass sigma delta modulator is presented. In continuation of paper the modulator is designed for GPS and Galileo receiver. This modulator was simulated in standard 0.18 μm CMOS TSMC technology and has bandwidth of 2MHz and 4MHz for GPS and Galileo centered in 4.092 MHz. The dynamic range (DR) is 56.5/49 dB (GPS/Galileo) at sampling rate of 125 MHz. The modulator has power consumption of 4.1 mw with 3 V supply voltage. 展开更多
关键词 Continuous Time QUADRATURE SIGMA DELTA MOS MODULATOR OTA
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