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Diff
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:
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An
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Dif
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C
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:
Sit
i I
d
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u
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ar
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i
v
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Un
iv
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it
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u
tr
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Ma
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la
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m
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id
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r
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m
y
1.
I
NT
RO
D
UCT
I
O
N
An
An
alo
g
-
to
-
Di
g
ital
co
n
v
er
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er
(
A
D
C
)
is
a
d
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m
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n
alo
g
in
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tr
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s
late
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to
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s
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tr
o
n
ic
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ev
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f
o
r
f
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licatio
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.
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cc
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A
p
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R
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ter
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p
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in
at
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w
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p
ip
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d
Δ
Σ
A
D
C
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n
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eso
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tio
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,
p
o
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f
f
icien
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co
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s
p
ee
d
,
ar
ea
,
an
d
c
ir
cu
it
co
m
p
le
x
it
y
[
1
-
3
]
.
T
h
e
S
A
R
ADC
ca
n
b
e
ch
ar
ac
ter
ized
b
y
th
r
ee
t
y
p
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s
of
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s
tag
e
th
at
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ep
en
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ev
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u
n
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alit
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,
n
a
m
el
y
,
s
i
n
g
le
en
d
ed
,
p
s
eu
d
o
d
if
f
er
e
n
tial
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n
d
f
u
ll
y
d
i
f
f
er
e
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tial.
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ll
y
d
i
f
f
er
en
tia
l
S
AR
A
D
C
i
n
p
u
t
h
as
ad
v
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n
tag
e
in
r
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t
in
g
co
m
m
o
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-
m
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is
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a
n
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ter
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ce
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d
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m
an
ce
d
u
e
to
b
ala
n
ce
d
in
p
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t
s
ig
n
a
l
[
4
-
6]
.
I
t
also
o
f
f
er
s
d
o
u
b
le
d
y
n
a
m
ic
a
n
alo
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p
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t
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g
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co
m
p
ar
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d
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s
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le
en
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ed
in
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u
t.
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h
u
s
,
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is
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le
to
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ig
iti
s
e
f
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m
n
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ati
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s
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f
A
D
C
r
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s
th
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r
ad
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p
er
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an
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e
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d
er
all
s
p
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if
ied
co
n
d
itio
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s
u
c
h
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u
r
in
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f
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,
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ac
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ag
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d
p
o
o
r
l
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lan
n
ed
test
p
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o
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d
u
r
e.
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p
o
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ly
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test
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cu
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t.
I
n
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d
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to
test
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h
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p
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f
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m
a
n
ce
o
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d
if
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tial
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D
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,
t
w
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at
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e
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ld
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ca
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ated
b
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Mo
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in
p
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ts
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ated
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tech
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p
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
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n
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J
E
lec
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g
&
C
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m
p
Sci
I
SS
N:
2502
-
4752
Differ
en
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l in
p
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n
g
e
d
r
iver fo
r
S
A
R
A
DC
mea
s
u
r
eme
n
t setu
p
(
S
iti I
d
z
u
r
a
Yu
s
u
f
)
751
an
d
n
o
is
e
f
r
o
m
s
u
p
p
l
y
v
o
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e.
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w
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x
tr
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co
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tech
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e
a
n
d
d
ev
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,
s
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ch
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ata
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is
itio
n
(
DA
Q)
d
ev
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,
n
ee
d
to
b
e
attac
h
ed
[7
,
8]
.
T
r
an
s
f
o
r
m
er
-
co
u
p
led
cir
cu
it
ca
n
also
b
e
u
s
ed
as
d
if
f
er
en
tia
l
in
p
u
t
A
D
C
.
I
t
p
r
o
v
id
e
s
ex
ce
llen
t
co
m
m
o
n
m
o
d
e
r
ej
ec
tio
n
an
d
d
is
to
r
tio
n
;
th
o
u
g
h
t
h
e
d
r
a
w
b
ac
k
o
f
th
is
tec
h
n
iq
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e
is
li
m
ited
f
o
r
AC
v
o
lta
g
es i
n
p
u
t
o
n
l
y
[
9
]
.
Fu
r
t
h
er
m
o
r
e,
t
h
e
n
o
is
e
co
m
i
n
g
f
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t
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n
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elati
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to
t
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e
A
D
C
p
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r
f
o
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esp
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y
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o
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e
s
ig
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o
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d
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d
eg
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ad
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e
A
D
C
ef
f
ec
tiv
e
n
u
m
b
er
o
f
b
it
(
E
NOB
)
[
1
0
,
11]
.
C
o
n
s
eq
u
e
n
t
l
y
,
m
i
s
i
n
ter
p
r
et
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esig
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id
ed
b
y
s
elec
tin
g
a
co
r
r
ec
t
A
D
C
m
ea
s
u
r
e
m
en
t
tec
h
n
iq
u
e.
Di
f
f
er
en
tial
S
AR
A
D
C
is
w
id
el
y
u
s
ed
i
n
m
ed
i
ca
l
an
d
i
n
d
u
s
tr
ial
ap
p
licatio
n
[
1
2
,
13]
.
T
h
e
d
ig
it
al
r
esu
l
ts
t
h
at
ar
e
p
r
o
d
u
ce
d
f
r
o
m
a
n
alo
g
in
p
u
t a
r
e
v
al
u
ab
le,
b
u
t it
d
ep
en
d
s
o
n
its
ac
cu
r
ac
y
.
I
f
th
e
in
p
u
t
s
ig
n
al
o
s
cillates,
it
p
r
o
d
u
ce
s
u
n
s
tab
le
in
p
u
t
s
i
g
n
a
l
th
a
t
d
ec
r
ea
s
es
S
AR
A
D
C
ac
c
u
r
ac
y
.
A
s
u
i
tab
le
A
DC
d
r
iv
er
is
i
m
p
o
r
tan
t
to
cr
ea
te
th
e
d
i
f
f
er
e
n
tial
v
o
ltag
e
r
a
n
g
e
an
d
co
m
m
o
n
m
o
d
e
r
eq
u
ir
em
e
n
t
o
f
th
e
co
n
v
er
ter
.
T
o
m
a
k
e
i
t
s
i
m
p
le
a
n
d
p
r
e
cise,
d
i
f
f
er
en
tial
A
DC
d
r
iv
er
i
s
e
m
b
ed
d
ed
to
g
eth
er
i
n
a
s
a
m
e
te
s
t
b
o
ar
d
as
th
e
f
r
o
n
t
-
e
n
d
o
f
th
e
S
A
R
ADC
as
s
u
g
g
ested
i
n
[
1
4
,
15]
.
T
h
er
ef
o
r
e,
th
is
p
ap
er
ai
m
s
to
m
ea
s
u
r
e
th
e
s
etu
p
o
f
a
n
A
D
C
d
r
iv
er
s
i
n
g
l
e
to
d
if
f
er
en
tial
a
m
p
l
if
ier
a
n
d
th
e
ca
p
ab
ilit
ies
i
n
d
r
iv
i
n
g
in
p
u
t
r
an
g
e
o
f
10
-
b
it
S
A
R
A
D
C
o
u
tp
u
t
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
e
test
ch
ip
o
f
d
if
f
er
en
t
ial
1
0
-
b
it
SAR
A
DC
w
a
s
i
m
p
le
m
en
ted
in
0
.
1
8
µm
C
MO
S
te
ch
n
o
lo
g
y
f
ab
r
icate
d
b
y
Si
lter
r
a
Ma
la
y
s
i
a
w
ith
t
h
e
i
n
p
u
t
a
n
d
o
u
tp
u
t
p
in
s
w
er
e
ar
r
an
g
ed
ac
co
r
d
in
g
t
o
th
e
Q
FN
5
6
-
p
i
n
p
ac
k
ag
e
o
r
ie
n
tatio
n
.
I
t
co
m
p
r
is
ed
o
f
b
i
n
ar
y
w
ei
g
h
ted
d
ig
it
al
an
alo
g
co
n
v
er
ter
(
D
AC
)
,
d
y
n
a
m
ic
co
m
p
ar
ato
r
an
d
s
y
n
c
h
r
o
n
o
u
s
clo
ck
.
Fi
g
u
r
e
1
illu
s
tr
ate
s
t
h
e
f
u
ll
y
d
if
f
er
e
n
tial
S
A
R
A
D
C
f
u
n
ctio
n
a
lit
y
.
S
A
R
ADC
ac
ce
p
ts
t
w
o
a
n
alo
g
i
n
p
u
t s
ig
n
als (
V
I
N
M
an
d
V
INP
)
th
at
s
w
in
g
f
r
o
m
0
to
1
.
2
V
w
it
h
0
.
6
V
is
co
m
m
o
n
m
o
d
e
v
o
ltag
e.
B
esid
es,
th
e
r
ef
er
en
ce
v
o
ltag
e
o
f
th
e
A
DC
g
e
n
er
ate
d
f
r
o
m
A
D3
4
1
2
v
o
ltag
e
r
ef
er
e
n
ce
ch
i
p
p
r
o
d
u
ce
d
1
.
2
V
s
tab
le
o
u
tp
u
t
f
o
r
f
u
ll
s
ca
l
e
r
ef
er
en
ce
v
o
lta
g
e
(
V
REF
)
.
Vo
ltag
e
r
e
f
er
en
ce
s
etu
p
f
o
r
th
e
S
AR
A
D
C
i
s
s
h
o
w
n
in
Fi
g
u
r
e
2
.
Me
an
w
h
ile
,
0
.
6
V
v
o
ltag
e
co
m
m
o
n
m
o
d
e
(V
CM
)
is
g
e
n
er
ate
d
b
y
d
i
v
id
in
g
t
h
e
1
.
2
V
o
u
tp
u
t
u
s
i
n
g
vo
ltag
e
d
iv
id
er
tec
h
n
iq
u
e
.
T
h
e
V
CM
t
h
at
a
l
w
a
y
s
h
al
f
o
f
V
REF
(V
REF
/2
)
i
s
p
r
o
d
u
ce
d
b
y
t
u
n
in
g
th
e
d
iv
id
er
r
esis
to
r
R
2
7
an
d
R
2
8
.
T
h
e
V
R
EF
an
d
V
CM
o
u
tp
u
t
is
co
n
n
ec
te
d
to
A
D8
6
1
6
b
u
f
f
er
to
m
ai
n
ta
in
th
e
v
o
ltag
e
d
r
iv
e
ca
p
ab
ilit
y
f
o
r
A
DC
.
Fig
u
r
e
1.
Fu
ll
y
d
if
f
er
en
t
ial
S
AR
A
DC
s
y
s
te
m
Fig
u
r
e
2
.
Vo
ltag
e
r
ef
er
en
ce
s
e
tu
p
f
o
r
S
A
R
ADC
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
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2
5
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n
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J
E
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g
&
C
o
m
p
Sci,
Vo
l.
17
,
No
.
2
,
Feb
r
u
ar
y
20
20
:
7
5
0
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7
5
8
752
2
.
1
.
ADC
Driv
er
f
o
r
Dif
f
er
ent
ia
l
SAR
ADC
T
h
e
p
u
r
p
o
s
e
o
f
th
e
A
D
C
d
r
iv
e
r
is
to
tr
an
s
f
er
s
o
u
r
ce
s
i
g
n
al
to
th
e
S
AR
A
D
C
i
n
p
u
t,
co
n
d
itio
n
in
g
i
t
a
s
n
ec
es
s
ar
y
to
o
p
ti
m
ize
p
er
f
o
r
m
an
ce
,
w
h
i
le
m
in
i
m
izin
g
ad
d
ed
d
is
to
r
tio
n
,
n
o
is
e,
a
n
d
s
et
tli
n
g
ti
m
e
er
r
o
r
s
[
1
6]
.
Fo
r
th
is
te
s
t p
r
o
ce
d
u
r
e,
A
D8
1
3
9
d
if
f
er
en
tia
l a
m
p
li
f
ier
w
a
s
c
h
o
s
en
to
tr
an
s
f
o
r
m
th
e
s
i
n
g
le
-
en
d
ed
an
alo
g
s
ig
n
al
in
to
a
d
iffer
en
tial
A
D
C
in
p
u
t.
I
t
w
as
d
esi
g
n
ed
to
p
r
o
v
id
e
t
w
o
clo
s
ely
b
ala
n
ce
d
if
f
er
e
n
tial
o
u
tp
u
ts
i
n
r
esp
o
n
s
e
to
s
in
g
le
en
d
ed
in
p
u
t
s
i
g
n
als
th
at
h
a
s
ad
v
an
tag
e
i
n
u
ltra
lo
w
n
o
is
e
an
d
h
i
g
h
p
er
f
o
r
m
an
c
e
r
ail
-
to
-
r
ail
o
u
tp
u
t
[
1
7]
.
T
h
is
ch
ip
ch
ar
ac
ter
izat
i
o
n
is
t
h
e
m
o
s
t
s
u
itab
le
in
p
u
t
d
r
iv
er
f
o
r
t
h
e
d
i
f
f
er
en
tia
l
S
A
R
A
D
C
d
u
e
to
th
e
m
ai
n
f
ea
t
u
r
e
o
f
d
i
f
f
er
en
tial
i
n
p
u
t
th
at
r
eq
u
ir
e
s
an
a
m
p
lit
u
d
e
an
d
p
h
ase
b
alan
ce
.
I
t
m
ea
n
s
t
h
e
m
ea
s
u
r
e
m
e
n
t
o
f
th
e
a
m
p
li
tu
d
e
eq
u
al
s
to
t
w
o
o
u
tp
u
t
s
w
it
h
1
8
0
° p
h
ase
b
alan
c
e
d
if
f
er
e
n
ce
[
1
8]
.
Fig
u
r
e
3
s
h
o
w
s
t
h
e
te
s
t
s
et
u
p
o
f
s
i
n
g
le
to
d
if
f
er
en
t
ial
ADC
d
r
iv
er
.
A
d
r
iv
er
i
s
u
s
ed
in
a
p
r
ec
is
e
s
a
m
p
ler
o
r
a
h
ar
m
o
n
ic
a
n
al
y
s
e
r
to
co
n
v
er
t
th
e
s
i
n
g
le
-
e
n
d
ed
i
n
p
u
t
AC
o
r
DC
v
o
lta
g
e
i
n
to
d
i
f
f
er
en
tial
v
o
lta
g
es.
An
o
p
er
atio
n
al
a
m
p
li
fier
co
m
b
in
ed
w
it
h
a
n
R
C
f
ilter
s
h
o
u
l
d
b
e
co
m
p
letel
y
r
i
g
h
t
to
t
h
e
A
D
C
f
o
r
m
i
n
i
m
is
i
n
g
th
e
n
o
is
e
th
a
t
d
is
t
u
r
b
s
t
h
e
in
p
u
t
v
o
ltag
e.
B
y
g
i
v
in
g
DC
i
n
p
u
t
s
i
g
n
al,
t
h
e
o
u
tp
u
t
v
o
lta
g
e
o
f
t
h
e
a
m
p
li
f
ier
g
en
er
ate
s
t
h
e
A
D
C
i
n
p
u
t
v
o
lta
g
e
r
an
g
e
f
o
r
f
u
ll
s
ca
le
d
ig
ital
o
u
tp
u
t.
T
h
u
s
,
f
o
r
a
n
AC
p
er
s
p
ec
tiv
e,
t
h
e
a
m
p
li
fi
er
s
h
o
u
ld
h
av
e
fl
at
b
an
d
w
id
t
h
an
d
g
ain
s
u
ch
t
h
at
th
e
o
u
tp
u
t
s
i
g
n
al
is
n
o
t
atte
n
u
a
ted
b
y
t
h
e
am
p
li
fi
er
’
s
f
r
eq
u
en
c
y
r
esp
o
n
s
e
.
I
t c
o
u
ld
m
i
n
i
m
is
e
n
o
is
e
an
d
d
is
to
r
tio
n
lev
e
ls
t
h
at
d
o
n
o
t a
f
f
ec
t t
h
e
A
D
C
’
s
p
er
f
o
r
m
an
ce
[
1
9]
.
Fig
u
r
e
3
.
A
D
R
8
1
3
9
t
est s
etu
p
T
o
m
in
i
m
i
s
e
t
h
e
in
f
l
u
e
n
ce
o
f
n
o
is
e
e
f
f
ec
t
f
r
o
m
f
r
eq
u
e
n
c
y
r
i
n
g
in
g
i
n
t
h
e
tr
an
s
ien
t
r
esp
o
n
s
e,
th
is
d
iffer
en
t
ial
s
ig
n
al
s
ar
e
f
il
ter
ed
b
y
lo
w
p
a
s
s
f
il
ter
R
C
n
e
t
w
o
r
k
b
ef
o
r
e
co
n
n
ec
ti
n
g
to
t
h
e
A
D
C
i
n
p
u
t
p
in
.
T
h
e
fi
lter
is
p
lace
d
b
et
w
ee
n
t
h
e
a
m
p
li
fi
er
an
d
A
D
C
i
n
p
u
t
to
m
ai
n
tai
n
th
e
b
a
n
d
w
id
th
o
f
th
e
s
ig
n
al
d
r
iv
e
to
t
h
e
A
D
C
.
Mo
r
eo
v
er
,
t
h
e
f
il
ter
als
o
s
ep
ar
ates
t
h
e
ca
p
ac
iti
v
e
lo
ad
o
f
t
h
e
ADC
i
n
p
u
t
f
r
o
m
t
h
e
a
m
p
li
fi
er
to
u
p
h
o
ld
a
m
p
li
f
ier
p
h
a
s
e
m
ar
g
in
an
d
s
tab
ilit
y
f
r
o
m
b
ei
n
g
atte
n
u
ated
b
y
t
h
e
tr
an
s
ien
t
-
c
h
ar
g
i
n
g
g
li
tch
es
o
n
th
e
A
D
C
in
p
u
t
w
h
ile
t
h
e
s
a
m
p
le
ca
p
ac
itan
ce
is
s
w
itc
h
ed
.
T
h
e
v
alu
e
o
f
R
C
d
eter
m
i
n
es
t
h
e
-
3
d
B
f
r
eq
u
en
c
y
,
w
h
er
ea
s
F
-
3
d
B
is
g
iv
en
b
y
th
e
(
1
)
.
(
1
)
I
n
ad
d
itio
n
,
t
h
e
m
ai
n
f
u
n
ctio
n
o
f
d
i
f
f
er
en
tial
a
m
p
lifie
r
is
to
r
ej
ec
t
s
ig
n
als
t
h
at
ar
e
co
m
m
o
n
to
b
o
th
in
p
u
t
s
.
T
h
e
r
esis
to
r
s
th
a
t
ar
e
co
n
n
ec
ted
to
th
e
d
r
iv
er
a
m
p
li
f
ier
m
u
s
t
b
e
ch
o
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ig
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ated
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Evaluation Warning : The document was created with Spire.PDF for Python.
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4752
Differ
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DR
8
1
3
9
test
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etu
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s
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ated
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g
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4
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Sp
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u
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m
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u
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5
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est s
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
:
2
5
0
2
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4752
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d
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J
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lec
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n
g
&
C
o
m
p
Sci,
Vo
l.
17
,
No
.
2
,
Feb
r
u
ar
y
20
20
:
7
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-
7
5
8
754
T
o
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t
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2
.
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e
a
s
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e
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an
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n
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h
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if
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ld
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of
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d
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y
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ch
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to
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u
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s
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n
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o
f
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z
o
f
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is
g
en
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s
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itra
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w
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o
r
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f
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f
u
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q
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m
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.
T
h
e
d
ig
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u
tp
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Ag
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0
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)
.
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h
e
s
u
p
p
l
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ltag
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o
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3
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3
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ar
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n
d
±
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f
o
r
th
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1
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.
Fig
u
r
e
6
.
Sch
e
m
e
o
f
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te
s
t s
etu
p
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B
la
y
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s
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n
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t
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en
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in
d
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t
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e,
t
h
e
p
er
f
o
r
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an
ce
o
f
th
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n
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er
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e
d
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r
ad
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b
ec
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s
e
o
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th
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t
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n
.
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u
r
e
7
s
h
o
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t
h
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t
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o
f
th
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h
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test
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s
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m
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e
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o
n
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test
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.
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h
e
s
y
m
m
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to
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a
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d
g
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m
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n
m
o
d
e
R
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tio
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(
C
MR
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)
.
T
h
e
s
m
al
lest
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s
s
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esi
s
to
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v
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u
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F
is
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s
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o
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t
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e
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e
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m
ad
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F
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d
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m
m
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[
1
4
]
.
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h
e
s
m
a
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t
r
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s
tan
ce
m
i
n
i
m
is
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s
b
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ar
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t
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h
ase
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ar
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n
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i
b
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tin
g
r
in
g
i
n
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at
o
u
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t
v
o
lta
g
e.
B
esid
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s
ig
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f
r
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m
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u
p
p
l
y
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p
o
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ed
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n
o
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e
b
ef
o
r
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en
ter
in
g
t
h
e
i
n
p
u
t
cir
c
u
it.
T
h
u
s
,
b
y
p
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g
p
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s
u
p
p
l
y
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y
p
a
s
s
ca
p
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ito
r
s
clo
s
e
to
th
e
a
m
p
li
f
ier
p
in
s
e
n
s
u
r
es t
h
at
a
l
o
w
i
m
p
ed
a
n
ce
p
ath
is
p
r
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v
id
e
d
to
y
ield
th
e
d
i
s
tu
r
b
i
n
g
n
o
is
e.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
Differ
en
tia
l in
p
u
t ra
n
g
e
d
r
iver fo
r
S
A
R
A
DC
mea
s
u
r
eme
n
t setu
p
(
S
iti I
d
z
u
r
a
Yu
s
u
f
)
755
Fig
u
r
e
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.
T
h
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test
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ar
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f
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r
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ce
d
u
r
e
3.
RE
SU
L
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S
A
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AN
AL
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SI
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h
e
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n
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AD8
1
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as
a
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m
p
lifie
r
w
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s
ev
al
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ated
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2
V
lin
ea
r
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ian
g
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lar
DC
s
u
p
p
l
y
t
h
at
u
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ed
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in
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t
o
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th
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h
e
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h
e
d
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er
e
n
tial
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I
NP
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d
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I
N
M
o
u
tp
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t
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er
e
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p
tu
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ed
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m
ea
s
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o
s
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e
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o
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n
i
n
Fi
g
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r
e
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o
r
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in
p
u
t.
Me
an
w
h
ile,
th
e
o
u
tp
u
t
f
o
r
th
e
s
i
n
u
s
o
i
d
al
v
o
ltag
e
in
p
u
t
is
s
h
o
w
n
in
F
ig
u
r
e
9
.
Fig
u
r
e
8
.
Dif
f
er
en
tial o
u
tp
u
t
f
o
r
DC
in
p
u
t
v
o
ltag
e
Fig
u
r
e
9
.
Dif
f
er
en
tial o
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t
f
o
r
s
in
u
s
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al
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u
t
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o
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e
T
h
e
d
if
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er
e
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tial
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av
e
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o
r
m
s
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r
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a
n
d
AC
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ig
n
al
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i
n
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icate
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at
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o
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ar
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al
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n
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m
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lit
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d
e
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h
m
i
n
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m
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m
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180⁰
in
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ase
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th
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r
r
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co
m
m
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e
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e
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t
s
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n
g
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li
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t
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r
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v
es
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h
at
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e
d
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er
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tial
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t
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v
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ase
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ce
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T
ab
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m
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r
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u
l
t
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est
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ate
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ab
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1
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SA
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Di
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17
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2
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Feb
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20
20
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s
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h
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m
m
et
h
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lcu
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tlab
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h
e
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r
ap
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ill
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ated
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n
Fig
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m
h
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m
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ter
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h
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m
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t.
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h
e
r
esu
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n
b
e
v
al
id
ated
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m
p
ar
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g
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it
h
p
r
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s
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r
k
[
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.
Fig
u
r
e
1
0
.
SAR
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d
i
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itize
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o
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t
T
h
e
d
y
n
a
m
ic
te
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t
w
as
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er
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ed
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ti
g
ate
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h
e
S
A
R
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er
r
o
r
th
at
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elate
d
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e
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n
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n
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en
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eg
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ad
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er
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ce
o
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e
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h
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m
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r
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m
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e,
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e
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n
d
y
n
a
m
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f
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a
n
ce
p
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test
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g
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i
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e
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s
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n
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.
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ata
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Fas
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Fo
u
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ier
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r
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(
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it
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ter
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i
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d
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h
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d
s
[
2
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]
.
T
h
e
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r
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d
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ce
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an
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eq
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to
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.
5
-
b
it.
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h
i
s
r
es
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lt
s
h
o
w
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g
o
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d
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an
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f
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co
m
p
ar
at
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el
y
w
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th
p
r
ev
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u
s
w
o
r
k
i
n
[
2
2
-
2
6
]
.
4.
CO
NCLU
SI
O
N
T
h
e
d
r
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cir
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it
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n
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te
s
t
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p
f
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f
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ll
y
d
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f
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er
en
tia
l
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is
p
r
esen
ted
i
n
th
is
p
ap
er
.
T
h
e
r
esis
tan
ce
o
f
f
ee
d
b
ac
k
n
e
t
w
o
r
k
w
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s
ch
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e
n
ca
r
ef
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ll
y
t
o
p
r
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en
t
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ig
n
al
d
is
to
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tio
n
at
th
e
o
u
tp
u
t
v
o
ltag
e
.
T
o
m
in
i
m
i
s
e
t
h
e
n
o
is
e
co
m
i
n
g
f
r
o
m
ADC
d
r
iv
er
,
t
h
e
lo
w
p
as
s
f
ilter
w
as
i
n
s
er
ted
a
f
ter
th
e
d
if
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er
en
tial
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m
p
li
f
ier
.
T
h
e
m
ea
s
u
r
e
m
e
n
t
r
esu
lt
s
h
o
w
s
th
e
A
D8
1
3
9
ch
ip
s
i
n
g
le
to
d
i
f
f
er
en
tial
a
m
p
l
if
ier
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d
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ce
d
t
w
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o
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tp
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ts
o
f
th
e
s
a
m
e
a
m
p
lit
u
d
e
p
ea
k
-
to
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p
ea
k
v
o
lta
g
e
w
h
ich
is
1
8
0
°
o
u
t
o
f
p
h
ase.
B
esid
es,
th
e
o
u
tp
u
t
o
f
t
h
e
S
A
R
A
D
C
w
as
m
ea
s
u
r
ed
w
it
h
o
u
t
an
y
m
is
s
in
g
co
d
e.
T
h
e
d
y
n
a
m
ic
test
p
ar
a
m
eter
s
h
o
w
s
t
h
e
9
.
5
-
b
it
o
f
E
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.
I
n
co
n
clu
s
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n
,
t
h
is
r
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u
lt
p
r
o
v
es
th
at
t
h
e
A
D8
1
3
9
is
s
u
itab
le
to
b
e
u
s
ed
as
A
D
C
d
r
iv
er
f
o
r
d
if
f
er
e
n
tial
1
0
-
b
it
S
A
R
A
D
C
.
ACK
NO
WL
E
D
G
E
M
E
NT
S
T
h
is
w
o
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is
s
u
p
p
o
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ted
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y
UP
M
v
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P
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I
P
I
9
4
4
3
3
0
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n
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5
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6
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sig
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0
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2
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.
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Evaluation Warning : The document was created with Spire.PDF for Python.