NDLI: A CMOS BPSK transmitter with a monitoring demodulator embedded

Content Provider	IEEE Xplore Digital Library
Author	Hung-Chi Wang Jyh-Ching Juang Chun-Lin Lu
Copyright Year	2010
Description	Author affiliation: Department of Computer and Communication, Kun Shan University, No.949, Da Wan Rd, Yung-Kang City. Tainan Hsien, Taiwan, R.O.C. (Chun-Lin Lu) \|\| Department of Electrical Engineering, National Cheng Kung University, No.1 Ta-Hsueh Road, Tainan 701, Taiwan, R.O.C. (Hung-Chi Wang; Jyh-Ching Juang)
Abstract	A binary phase shift keying (BPSK) transmitter with a monitoring demodulator embedded using standard 0.13-µm CMOS process is presented in this paper. Three differential switches, an RF multiplexer and a sub-harmonic VCO are applied in the circuit design. The differential switches offer the frequency-doubling function for VCO, the modulation function for the transmitter, and the demodulation function for the monitor. The measurement results show that the free-running frequency of the VCO of the chip is around 11 GHz and the doubled frequency is around 22 GHz. A continuous-wave signal is applied to test the transmitter function. The measured results show that the modulator bandwidth is wider than 6 GHz. The LO-to-RF isolation is better than 55 dB. The monitor circuit is tested to show that un-wanted signal will appear if the quality of the transmitted signal is poor. The implemented chip size is 1 × 1 $mm^{2}.$
Starting Page	570
Ending Page	573
File Size	1415232
Page Count	4
File Format	PDF
ISBN	9781424475902
e-ISBN	9784902339215
e-ISBN	9781902339222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-07
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IEICE Institute of Electronics Informati
Subject Keyword	Radio frequency Monitoring Frequency modulation Frequency measurement Voltage-controlled oscillators Broadband communication Demodulation transmitter BPSK CMOS monitoring
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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