IEEE Solid-States Circuits Magazine - Winter 2022 - 44

Matsuzawa and his colleagues developed
methodologies and improvised tools to enable
the development of SoCs for digital video
cameras and, later, DVD players.
research. In recent years, though, it
had not kept abreast of the CMOS revolution.
Matsuzawa brought experience,
energy, ambition, and focus to the job.
This is rare among other industry
executives in Japan who, like him, have
transitioned late in their careers to
academia. He formed a large research
group with two junior faculty members
and many graduate students, and
he successfully obtained large government
grants and collaborations
with industry. He set as a goal the development
of a 60-GHz wireless transceiver
highly integrated in CMOS that
would communicate at 50-100 Gb/s
over short distances.
This kind of project is very difficult
to carry out at a university
since it involves pushing the capabilities
of CMOS technology to realize
millimeter-wave components
that must, ultimately, all be integrated
on one chip. It also entails
the development of a very complex
baseband modem for 64 quadrature
amplitude modulation (64-QAM). A
project of this scale often cannot be
completed without close collaboration
with one or more companies.
Similar efforts at other universities
have devolved into smaller, more
achievable contributions.
It took nine years of research by
this large team to reach a prototype
transceiver [11]. The 64-QAM transceivers
require a great deal of calibration
to transmit and reconstruct
a constellation that is detected with
a usefully low bit error rate. The
IEEE Journal of Solid-State Circuits
article on this transceiver lists 24
authors [11]. Since then, the group
has used a simpler transceiver in
65-nm CMOS to communicate up
to 120 Gb/s on a 100-GHz carrier.
While the entire team must take
credit for this, I believe it would
have been impossible to accomplish
it without Matsuzawa's outstanding
skills at organization, fundraising,
and experience in the integration of
complex systems.
References
[1] Y. Takemura, " Video camera technologies
systematization, " National Museum of Nature
and Science, Tokyo, Mar. 2013. [Online].
Available: http://sts.kahaku.go.jp/english/
diversity/document/pdf/464800.pdf
[2] T. Yamashita, The Panasonic Way: From a
Chief Executive's Desk. Tokyo: Kodansha
International, 1989.
[3] A. Matsuzawa, M. Kagawa, M. Kanoh, K.
Tatehara, T. Yamaoka, and K. Shimizu,
" A 10 b 30 MHz two-step parallel BiCMOS
ADC with internal S/H, " in Proc. 1990 IEEE
Int. Conf. Solid-State Circuits (ISSCC), San
Francisco, CA, USA, 1990, pp. 162-163,
doi: 10.1109/ISSCC.1990.110177.
[4] C. Lane, " A 10-bit 60 Msps flash ADC, " in
Proc. Bipolar Circuits Technol. Meeting,
Minneapolis, MN, USA, 1989, pp. 44-47,
doi: 10.1109/BIPOL.1989.69457.
[5] K. Kusumoto, A. Matsuzawa, and K. Murata,
" A 10-b 20-MHz 30-mW pipelined interpolating
CMOS ADC, " IEEE J. Solid-State
Circuits, vol. 28, no. 12, pp. 1200-1206,
1993, doi: 10.1109/4.261992.
[6] S. Kawahito, M. Yoshida, M. Sasaki, K.
Umehara, D. Miyazaki, Y. Tadokoro, K.
Murata, S. Doushou, and A. Matsuzawa,
" A CMOS image sensor with analog twodimensional
DCT-based compression
circuits for one-chip cameras, " IEEE J.
Solid-State Circuits, vol. 32, no. 12, pp.
2030-2041, 1997, doi: 10.1109/4.643661.
[7] A. Matsuzawa, " Low-voltage and lowpower
circuit design for mixed analog/
digital systems in portable equipment, "
IEEE J. Solid-State Circuits, vol. 29, no. 4,
pp. 470-480, 1994, doi: 10.1109/4.280697.
[8] A. Matsuzawa, " High quality analog CMOS
and mixed signal LSI design, " in 2nd Intl
Symp on Quality Electronic Design, San
Jose, CA, USA, 2001, pp. 97-104, doi:
10.1109/ISQED.2001.915212.
[9] A. Matsuzawa, " RF-SoC-expectations and
required conditions, " IEEE Trans. Microw.
Theory Techn., vol. 50, no. 1, pp. 245-253,
2002, doi: 10.1109/22.981277.
[10] K. Okamoto, T. Morie, A. Yamamoto, K. Nagano,
K. Sushihara, H. Nakahira, R. Horibe,
K. Aida, T. Takahashi, M. Ochiai, A. Soneda,
T. Kakiage, T. Iwasaki, H. Taniuchi, T. Shibata,
T. Ochi, M. Takiguchi, T. Yamamoto,
T. Seike, and A. Matsuzawa, " A fully integrated
0.13-μm CMOS mixed-signal SoC for
DVD player applications, " IEEE J. Solid-State
Circuits, vol. 38, no. 11, pp. 1981-1991,
2003, doi: 10.1109/JSSC.2003.818131.
[11] R. Wu, R. Minami, Y. Tsukui, S. Kawai, Y. Seo,
S. Sato, K. Kimura, S. Kondo, T. Ueno, N. Fajri,
S. Maki, N. Nagashima, Y. Takeuchi, T. Yamaguchi,
A. Musa, K. K. Tokgoz, T. Siriburanon,
B. Liu, Y. Wang, J. Pang, N. Li, M. Miyahara, K.
Okada, and A. Matsuzawa, " 64-QAM 60-GHz
CMOS transceivers for IEEE 802.11ad/ay, "
IEEE J. Solid-State Circuits, vol. 52, no. 11, pp.
2871-2891, 2017, doi: 10.1109/JSSC.2017.
2740264.
About the Author
Asad Abidi (abidi@ee.ucla.edu) received
the B.Sc. degree in electrical
engineering from Imperial College,
London in 1976 and the Ph.D. degree
from the University of California,
Berkeley in 1982. He worked at Bell
Laboratories, Murray Hill until 1985
and then joined the faculty of the
University of California, Los Angeles,
California, 90095-1594, USA,
where he is a Distinguished Chancellor's
Professor of Electrical Engineering.
With his students, he has
developed many of the radio circuits
and architectures that enable today's
mobile devices. He received the 2008
IEEE Donald O. Pederson Award in
Solid-State Circuits and the 2012 Best
Paper Award from the IEEE Journal of
Solid-State Circuits. He was elected a
Fellow of IEEE in 1996, member of the
U.S. National Academy of Engineering,
and fellow of The World Academy
of Sciences.
44 WINTER 2022
IEEE SOLID-STATE CIRCUITS MAGAZINE
http://sts.kahaku.go.jp/english/diversity/document/pdf/464800.pdf http://sts.kahaku.go.jp/english/diversity/document/pdf/464800.pdf

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