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Yuyu Chang
Researcher at Broadcom
Publications - 26
Citations - 545
Yuyu Chang is an academic researcher from Broadcom. The author has contributed to research in topics: GSM & Radio frequency. The author has an hindex of 9, co-authored 26 publications receiving 501 citations.
Papers
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Journal ArticleDOI
Analysis and Optimization of Direct-Conversion Receivers With 25% Duty-Cycle Current-Driven Passive Mixers
TL;DR: It is revealed that with an intelligent sizing of the design parameters, the 25%-duty-cycle-mixer-based receiver is superior in terms of linearity, noise, and elimination of IQ crosstalk.
Proceedings ArticleDOI
A multistandard, multiband SoC with integrated BT, FM, WLAN radios and integrated power amplifier
C.P. Lee,Arya Behzad,Bojko Marholev,Vikram Magoon,Iqbal Bhatti,Dandan Li,Subhas Bothra,Ali Afsahi,Dayo Ojo,Rozi Roufoogaran,Tom Li,Yuyu Chang,Kishore Rama Rao,Stephen Au,Prasad Seetharam,Keith Carter,Jacob Rael,Malcolm MacIntosh,Bobby Lee,Maryam Rofougaran,Reza Rofougaran,Amir Hadji-Abdolhamid,M. Nariman,Shahla Khorram,Seema B. Anand,Ed Chien,Steve Wu,Carol Barrett,Lijun Zhang,Alireza Zolfaghari,Hooman Darabi,Ali Sarfaraz,Brima Ibrahim,Mark Gonikberg,Marcellus Forbes,Colin Fraser,Luis Gutierrez,Yury Gonikberg,Madjid Hafizi,Siukai Mak,Jesse Castaneda,Kimmer Kim,Zhenhua Liu,S. Bouras,Kevin Chien,Vinay Chandrasekhar,Paul Chang,Edwin X. Li,Zhimin Zhao +48 more
TL;DR: This paper presents a solution in which 802.11a/b/g WLAN, single-stream 11n (SSN) Wlan, BT, and FM subsystem and radio are integrated on a single die.
Journal ArticleDOI
A Differential Digitally Controlled Crystal Oscillator With a 14-Bit Tuning Resolution and Sine Wave Outputs for Cellular Applications
TL;DR: The design topologies and considerations of a differential sinusoidal-output digitally controlled crystal oscillator (DCXO) intended for use in cellular applications and capable of meeting the stringent phase noise requirements for IEEE 802.11n 5 GHz WLAN devices are described.
Journal ArticleDOI
A Quad-Band GSM/GPRS/EDGE SoC in 65 nm CMOS
Hooman Darabi,Paul Chang,Henrik T. Jensen,Alireza Zolfaghari,P. Lettieri,John Leete,Behnam Mohammadi,J. Chiu,Qiang Li,Shr-Lung Chen,Zhimin Zhou,Morteza Vadipour,Calvin Chen,Yuyu Chang,A. Mirzaei,A. Yazdi,Med Nariman,Amir Hadji-Abdolhamid,Ethan Chang,B. Zhao,K. Juan,P. Suri,C. Guan,L. Serrano,J. Leung,J. Shin,Joonsuk Kim,H. Tran,P. Kilcoyne,H. Vinh,E. Raith,M. Koscal,Ajat Hukkoo,Claude Hayek,V. Rakhshani,C. Wilcoxson,M. Rofougaran,Ahmadreza Rofougaran +37 more
TL;DR: The paper addresses the challenges of realizing a complete GSM/EDGE SoC with the RF integrated along with the rest of digital baseband circuitry, and presents a very low-cost and low-power 2.5G radio while meeting the stringent cellular requirements with wide margin.
Proceedings ArticleDOI
A Fully Integrated Quad-Band GPRS/EDGE Radio in 0.13μm CMOS
Hooman Darabi,Alireza Zolfaghari,Henrik T. Jensen,John Leete,Behnam Mohammadi,J. Chiu,Tianwei Li,Zhimin Zhou,P. Lettieri,Yuyu Chang,A. Hadji,Paul Chang,M. Nariman,Iqbal Bhatti,Ali Medi,L. Serrano,Jared Welz,Kambiz Shoarinejad,S. Hasan,Jesus Alfonso Castaneda,Joonsuk Kim,H. Tran,P. Kilcoyne,R. Chen,B. Lee,B. Zhao,Brima Ibrahim,M. Rofougaran,Ahmadreza Rofougaran +28 more
TL;DR: This transceiver is implemented in low-cost digital 0.13 mum CMOS, achieves a superior receive and transmit performance, and yet has up to 2x lower receive power consumption, a key requirement in cellular applications.