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A Wide Bandwidth Analog Baseband Circuit for 60-GHz Proximity Wireless Communication Receiver in 65-nm CMOS

Masanori FURUTA, Hidenori OKUNI, Masahiro HOSOYA, Akihide SAI, Junya MATSUNO, Shigehito SAIGUSA, Tetsuro ITAKURA

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Summary :

This paper presents an analog front-end circuit for a 60-GHz proximity wireless communication receiver. The feature of the proposed analog front-end circuit is a bandwidth more than 1-GHz wide. To expand the bandwidth of a low-pass filter and a voltage gain amplifier, a technique to reduce the parasitic capacitance of a transconductance amplifier is proposed. Since the bandwidth is also limited by on-resistance of the ADC sampling switch, a switch separation technique for reduction of the on-resistance is also proposed. In a high-speed ADC, the SNDR is limited by the sampling jitter. The developed high resolution VCO auto tuning effectively reduces the jitter of PLL. The prototype is fabricated in 65nm CMOS. The analog front-end circuit achieves over 1-GHz bandwidth and 27.2-dB SNDR with 224mW Power consumption.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.2 pp.492-499
Publication Date
2015/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.492
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category

Authors

Masanori FURUTA
  Toshiba Corporation
Hidenori OKUNI
  Toshiba Corporation
Masahiro HOSOYA
  Toshiba Corporation
Akihide SAI
  Toshiba Corporation
Junya MATSUNO
  Toshiba Corporation
Shigehito SAIGUSA
  Toshiba Corporation
Tetsuro ITAKURA
  Toshiba Corporation

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