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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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Author: search.filters.author.Meng, ChinchunSubject: search.filters.subject.direct-conversion receiver

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    5-6 GHz 9.4 mW CMOS Direct-Conversion Passive-Mixer Receiver With Low-Flicker-Noise Corner
    (2012-01-01)
    Hsiao, Yu-Chih
    ;
    Meng, Chinchun
    ;
    Syu, Jin-Siang
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    Lin, Chung-Yo
    ;
    Wong, Shyh-Chyi
    This paper demonstrates a low-power and low-flicker-noise direct-conversion receiver using double-balanced passive mixer. The deep-n-well vertical-NPN bipolar junction transistor is placed as at the input stage of the IF amplifier to reduce the flicker noise in the 0.18 um standard CMOS process. As a result, conversion gain achieves 50-dB gain when the LO power is 10 dBm and the noise figure is 7-dB at 100 kHz. The totally power consumption is 9.4 mW at 1.8 V voltage supply.
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    5-6 GHz CMOS Low-Noise Direct Conversion Receiver Using a Differential RF VGA with a Differential Inductor Load
    (2016)
    Chang, Wei-Ling
    ;
    Meng, Chinchun
    ;
    Chang, Chih-Kai
    ;
    Huang, Guo-Wei
    ;
    電子工程學系及電子研究所
    A low-noise low-power direct conversion receiver with a differential RF VGA is demonstrated using 0.18um CMOS technology. A topology that uses a differential inductor load for a differential RF VGA is employed for the single-to-differential conversion. Since the common-mode rejection ratio of a differential variable gain amplifier is increased by the mutual magnetic coupling in a differential inductor load, this work achieves noise floor less than 5 dB covering the 5-6 GHz band. Moreover, the conversion gain is around 50 dB and the total current consumption is 4.75 mA at 1.8 V supply voltage.