IEEE Solid-States Circuits Magazine - Summer 2018 - 104

Vi+[1:5]
Vi-[1:5]

5

×5
+-
+
-

5

Vo1-[1:5]

5

Vo1+[1:5]

5

×5

1:1

io+

- +

ip
1:1

io-

+ -

in

Ro
NMOS
Mirror

VBp
Vo1-
Vi+

VBp
Vo1+
R2

R1

VBn

VBn

io+

Vout

COM = 0.5 V

io+
VBn

Vi-

Vo1-

VBn

Vo1+

VBn

io+

ip
IB

ISS

ISS

Preamplifiers

Transconductance

m

Vi+[m]

[1]

0.5 + Vin/2

Vi-[m]
0.5

[2]

0.625

0.5 + Vin/2

[3]

0.5 + Vin/2

0.75

[4]

0.875

0.5 + Vin/2

[5]

0.5 + Vin/2

1

PMOS Mirror
(a)
V (Vout, COM)

500
400
300
200
(mV)

100
0
-100
-200
-300
-400
-500

0.0

0.1

0.2

0.3

0.4

0.5
(V)

0.6

0.7

0.8

0.9

1.0

(b)
Figure 4: Hatem Osman's circuit design and simulation result.

1) Is the solution generally sound?
2) How much has the submitter addressed the challenge of maximizing the swing?
3) Do the simulations look reasonable?
4) Are there any new and interesting ideas?
5) What is the quality of the writeup?

Winners

su m m e r 2 0 18

■

■

Maarten Baert, Katholieke University, Leuven, proposed the topology shown in Figure 2(a).
Junyoung Maeng, Korea University,
Seoul, proposed the design shown
in Figure 3(a).
Hatem Osman, Texas A&M University, College Station, proposed the
topology shown in Figure 4(a).

■
■
■
■
■
■
■
■
■
■

On the basis of the judges' evaluations and scores, three consistently
high-ranked participants were chosen
as the winners. The SSCS is pleased
to announce the winners and present
their designs.

104

■

Other Correct Answers
A number of other contestants submitted designs that operate correctly,
including the following contestants:
■ Sheng-Kai Chang
■ Eric Gutierrez

IEEE SOLID-STATE CIRCUITS MAGAZINE

■
■
■

Umesh Jagtap
Farzad Khoeini
Meera Kumari
Zhijian Liang
Longheng Luo
Mahmoud Mahdipour Pirbazari
Supruyo Maji
Aviral Pandey
Amit Patil
William Tedjo
Alekandr Vasjanov
Li Xuan
Alireza Yousefi.
-Behzad Razavi



IEEE Solid-States Circuits Magazine - Summer 2018

Table of Contents for the Digital Edition of IEEE Solid-States Circuits Magazine - Summer 2018

Contents
IEEE Solid-States Circuits Magazine - Summer 2018 - Cover1
IEEE Solid-States Circuits Magazine - Summer 2018 - Cover2
IEEE Solid-States Circuits Magazine - Summer 2018 - Contents
IEEE Solid-States Circuits Magazine - Summer 2018 - 2
IEEE Solid-States Circuits Magazine - Summer 2018 - 3
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IEEE Solid-States Circuits Magazine - Summer 2018 - Cover3
IEEE Solid-States Circuits Magazine - Summer 2018 - Cover4
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