IEEE Solid-States Circuits Magazine - Winter 2020 - 58

Wang described how this can be done
continuously using a novel adaptive
approach. As hearing-aid technology
advances, there is a need for reduced
size and much lower power consumption, while advanced signal processing is still required. Wang discussed
an approach that he is using: performing the power consuming signal processing in a remote device while the
hearing aids broadcast the analog-todigital converted audio signals and
receive the processed result.
In this case, the remote device
is a smartphone with an additional
plug-in device. The broadcast channel must have very low latency and
high resolution, which means that a
specially designed wireless interface
is required. To fit the hearing aid, the
smartphone is adapted to recognize
voice cues from the user regarding
the hearing aid performance. In this

Betty Nelson (left) with Prof. Wang at the SSCS Lehigh Valley Chapter. (Photo courtesy of
Dale Nelson.)

way, performance becomes better on
a day-to-day basis.
After the discussion, questions
included concerns about privacy, wireless power levels, and how the device
may interact with the human body.
These apply to many devices, including the smartphone. Since the hearing

IEEE SSCS Switzerland Chapter Hosts
Prof. Armin Tajalli at ETH Zurich

T

The IEEE Solid-State Circuits Society
(SSCS) Switzerland Chapter organized a lecture on circuits and signaling co-design for ultrawideband
communications at ETH Zurich on
18 June 2019.
Prof. Armin Tajalli of the University
of Utah, Salt Lake City, gave a tutorial
on industrial problems in wireline
communication from the signaling
and circuit design perspective. The
meeting started with a brief introduction by Prof. Taekwang Jang, chair of
SSCS Switzerland.
Tajalli began his lecture began
by considering the requirements
of high-bandwidth links. Modern
Digital Object Identifier 10.1109/MSSC.2019.2939451
Date of current version: 23 January 2020

58

WINTER 2020

Prof. Jang (right) introduces Prof. Tajalli.

IEEE SOLID-STATE CIRCUITS MAGAZINE

aid is a medical device, these concerns
must be weighed against the positive
benefits of using the device.

-Richard Booth
Webmaster,
SSCS Lehigh Valley Section



IEEE Solid-States Circuits Magazine - Winter 2020

Table of Contents for the Digital Edition of IEEE Solid-States Circuits Magazine - Winter 2020

Contents
IEEE Solid-States Circuits Magazine - Winter 2020 - Cover1
IEEE Solid-States Circuits Magazine - Winter 2020 - Cover2
IEEE Solid-States Circuits Magazine - Winter 2020 - Contents
IEEE Solid-States Circuits Magazine - Winter 2020 - 2
IEEE Solid-States Circuits Magazine - Winter 2020 - 3
IEEE Solid-States Circuits Magazine - Winter 2020 - 4
IEEE Solid-States Circuits Magazine - Winter 2020 - 5
IEEE Solid-States Circuits Magazine - Winter 2020 - 6
IEEE Solid-States Circuits Magazine - Winter 2020 - 7
IEEE Solid-States Circuits Magazine - Winter 2020 - 8
IEEE Solid-States Circuits Magazine - Winter 2020 - 9
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IEEE Solid-States Circuits Magazine - Winter 2020 - Cover3
IEEE Solid-States Circuits Magazine - Winter 2020 - Cover4
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