A 5.2GHz 47dB Image Rejection Double Quadrature Gilbert Downconverter Using 0.35μm SiGe HBT Technology(<Special Section>Analog Circuit Techniques and Related Topics)
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概要
- 論文の詳細を見る
A 5.2GHz 1dB conversion gain, IP_<1dB>=-19dBm and IIP_3=-9dBm double quadrature Gilbert downconversion mixer with polyphase filters is demonstrated by using 0.35μm SiGe HBT technology. The image rejection ratio is better than 47dB when LO=5.17GHz and IF is in the range of 15MHz to 45MHz. The Gilbert downconverter has four-stage RC-CR IF polyphase filters for the image rejection. Polyphase filters are also used to generate LO and RF quadrature signals around 5GHz in the double quadrature downconverter.
- 社団法人電子情報通信学会の論文
- 2007-02-01
著者
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Wu Tse-hung
Department Of Communication Engineering National Chiao Tung University
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Huang Guo-wei
National Nano Device Laboratories
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Huang Guo‐wei
National Nano Device Laboratories
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WU Tzung-Han
Department of Communication Engineering, National Chiao Tung University
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MENG Chinchun
Department of Communication Engineering, National Chiao Tung University
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Huang G‐w
National Nano Device Laboratories
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Wu Tzung-han
Department Of Communication Engineering National Chiao Tung University
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Meng Chinchun
National Chiao Tung Univ. Hsinchu Twn
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Meng Chinchun
Department Of Communication Engineering National Chiao Tung University
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Wu Tzung‐han
National Chiao Tung Univ. Hsinchu Twn
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