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I
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N
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8
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[7
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[8
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l.
1
2
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2
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0
]
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E.
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e
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e
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H.
T
ra
n
ter,
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s,
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s: Ne
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a
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J
.
S
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3
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t
a
l.
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4
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l.
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5
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.
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8
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6
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.
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7
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o
w
e
r
Am
p
li
f
ier,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Circ
u
i
ts
a
n
d
S
y
ste
ms
,
v
o
l
/i
ss
u
e
:
24
(
12
)
,
p
p
.
7
2
5
-
7
3
5
,
1
9
7
7
.
[1
8
]
S
.
K.
Ke
ll
y
,
“
A
S
y
ste
m
f
o
r
Ef
ficie
n
t
Ne
u
ra
l
S
ti
m
u
latio
n
w
it
h
En
e
rg
y
Re
c
o
v
e
r
y
,
”
P
h
D
T
h
e
sis,
M
a
ss
a
c
h
u
se
tt
s
In
stit
u
te
o
f
T
e
c
h
n
o
lo
g
y
,
M
a
ss
a
c
h
u
se
tt
s,
C
a
m
b
rid
g
e
,
2
0
0
3
.
[1
9
]
C.
S
a
u
e
r,
e
t
a
l.
,
“
P
o
w
e
r
h
a
rv
e
st
in
g
a
n
d
tele
m
e
tr
y
in
CM
OS
f
o
r
i
m
p
lan
ted
d
e
v
ice
s,
”
Bi
o
me
d
ica
l
Circ
u
it
s
a
n
d
S
y
ste
ms
,
2
0
0
4
IE
EE
I
n
ter
n
a
t
io
n
a
l
W
o
rk
sh
o
p
o
n
,
p
p
.
S
1
/
8
-
S1
-
4
,
2
0
0
4
.
[2
0
]
A
.
El
Bo
u
tah
iri
,
e
t
a
l
.
,
“
De
sig
n
o
f
Ne
w
p
o
w
e
r
G
e
n
e
r
a
ti
n
g
Circu
it
f
o
r
P
a
ss
iv
e
UH
F
RF
ID
T
ag
,
”
A
c
c
e
p
ted
f
o
r
p
u
b
li
c
a
ti
o
n
in
a
f
u
tu
re
issu
e
o
f
jo
u
rn
a
l
IJ
P
ED
S
.
[2
1
]
R.
J.
Ba
k
e
r,
“
CM
OS:
Circu
it
De
sig
n
,
L
a
y
o
u
t,
a
n
d
S
im
u
latio
n
,
”
2
n
d
e
d
.
Ne
w
Yo
rk
,
NY
,
USA
:
W
i
le
y
-
IEE
E
P
re
ss
,
2
0
0
8
.
[2
2
]
S
.
Ha
ss
o
u
n
i
a
n
d
H.
Qji
d
a
a
,
“
A
D
e
sig
n
o
f
a
Hi
g
h
-
P
e
rf
o
rm
a
n
c
e
A
n
a
lo
g
F
ro
n
t
-
E
n
d
f
o
r
P
a
ss
iv
e
UH
F
RF
ID
T
a
g
EP
C
C1
G
2
,
”
J
o
u
rn
a
l
o
f
Co
mm
u
n
ica
t
io
n
s S
o
ft
wa
re
a
n
d
S
y
ste
ms
,
v
ol
/i
ss
u
e
:
14
(
2
)
,
2
0
1
8
.
[2
3
]
D.
Jia
n
g
,
e
t
a
l.
,
“
A
n
In
teg
ra
ted
P
a
ss
iv
e
P
h
a
se
-
S
h
if
t
Ke
y
in
g
M
o
d
u
lato
r
f
o
r
Bi
o
m
e
d
ica
l
Im
p
lan
ts
w
it
h
P
o
w
e
r
T
e
le
m
e
tr
y
o
v
e
r
a
S
in
g
le
In
d
u
c
ti
v
e
L
in
k
,
”
IEE
E
T
ra
n
s.
o
n
b
io
me
d
i
c
a
l
c
irc
u
it
s a
n
d
sy
ste
ms
.
[2
4
]
A
.
Ru
sh
a
n
d
P
.
T
ro
y
k
,
“
A
p
o
we
r
a
n
d
d
a
ta
li
n
k
f
o
r
a
w
ir
e
les
s
-
im
p
l
a
n
ted
n
e
u
ra
l
re
c
o
rd
in
g
sy
st
e
m
,
”
I
EE
E
T
ra
n
s.
o
n
Bi
o
me
d
ica
l
Circ
u
it
s
a
n
d
S
y
ste
ms
,
v
o
l.
5
9
,
p
p
.
3
2
5
5
-
3
2
6
2
,
2
0
1
2
.
[2
5
]
F
.
In
a
n
l
o
u
a
n
d
M
.
G
h
o
v
a
n
l
o
o
,
“
W
id
e
b
a
n
d
n
e
a
r
-
f
ield
d
a
ta
tran
sm
issio
n
u
si
n
g
p
u
lse
h
a
rm
o
n
ic
m
o
d
u
latio
n
,
”
IEE
E
T
ra
n
s.
o
n
Circ
u
it
s
a
n
d
S
y
ste
ms
-
I
Reg
u
l
a
r P
a
p
e
rs
,
v
o
l
/i
ss
u
e
:
58
(
1
)
,
p
p
.
1
8
6
-
1
9
5
,
2
0
1
1
.
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