A Software-Defined Radio Receiver in 65nm CMOS Robust to Out-of-Band Interference


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Ru, Zhiyu and Klumperink, Eric and Wienk, Gerard and Nauta, Bram (2009) A Software-Defined Radio Receiver in 65nm CMOS Robust to Out-of-Band Interference. In: ProRISC 2009, Annual Workshop on Circuits, Systems and Signal Processing, 26-27 Nov 2009, Veldhoven, the Netherlands.

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Abstract:Two techniques are presented in this paper for a software-defined radio (SDR) receiver robust to out-of-band interference. Voltage gain is realized at IF simultaneously with low-pass filtering to mitigate blockers and out-of-band intermodulation distortion. A 2-stage polyphase harmonic rejection (HR) mixer concept robust to gain error achieves 2nd-6th HR of more than 60dB for 40 samples without trimming or calibration. A prototype 0.4-0.9G zero-IF receiver in 65nm CMOS has 34dB gain, 4dB NF, +3.5dBm IIP3 and +47dBm IIP2 while drawing 50mA from 1.2V.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/69784
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