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OM
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Desig
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ilter
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s
qua
re DMS
slo
ts f
o
r Wi
-
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a
n
d
bluetoo
th
a
ppli
ca
tions
A.
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elm
a
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J
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,
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ni
3
,
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L
a
k
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s
a
s
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i
4
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.
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3,
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Lab
o
ra
to
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y
o
f
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IG
ER
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Un
i
v
e
rsity
o
f
S
id
i
M
o
h
a
m
e
d
Be
n
A
b
d
e
ll
a
h
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F
e
z
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M
o
ro
c
c
o
4
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o
ra
to
r
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o
f
IM
A,
U
n
iv
e
rsit
y
o
f
Qu
e
b
e
c
,
Ca
n
a
d
a
Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Au
g
5
,
2
0
2
0
R
ev
is
ed
No
v
5
,
2
0
2
0
Acc
ep
ted
No
v
2
5
,
2
0
2
0
Th
is
p
a
p
e
r
p
re
se
n
ts
t
h
e
d
e
sig
n
o
f
a
c
o
m
p
a
c
t
b
a
n
d
p
a
ss
fil
ter
b
a
se
d
o
n
two
id
e
n
ti
c
a
l
re
c
tan
g
u
lar
re
so
n
a
to
rs
a
n
d
is
imp
lem
e
n
ted
o
n
m
icro
strip
t
e
c
h
n
o
l
o
g
y
fo
r
Wi
-
F
i
a
n
d
b
l
u
e
to
o
th
a
p
p
li
c
a
ti
o
n
s.
To
re
d
u
c
e
t
h
e
siz
e
o
f
t
h
e
fil
ter,
t
h
e
d
e
fe
c
ted
m
icro
strip
str
u
c
tu
re
(D
M
S
)
tec
h
n
i
q
u
e
is
p
ro
p
o
se
d
.
T
h
is
tec
h
n
i
q
u
e
c
o
n
sists
o
f
e
tch
i
n
g
sl
o
ts
in
th
e
re
c
tan
g
u
lar
re
so
n
a
t
o
r,
wh
ic
h
r
e
su
lt
s
in
a
c
h
a
n
g
e
in
t
h
e
li
n
e
p
r
o
p
e
rti
e
s
a
n
d
in
c
re
a
se
o
f
th
e
e
ffe
c
ti
v
e
in
d
u
c
tan
c
e
a
n
d
c
a
p
a
c
it
a
n
c
e
.
Th
is f
e
a
tu
re
is u
se
d
f
o
r
m
in
iatu
riza
ti
o
n
.
Th
e
d
e
sig
n
e
d
f
il
ter h
a
s a
c
o
m
p
a
c
t
siz
e
(6
.
8
2
x
8
.
3
)
m
m
²
wit
h
a
lo
w
in
se
rti
o
n
l
o
ss
o
f
-
0
.
1
d
B
a
n
d
a
g
o
o
d
re
tu
rn
l
o
ss
o
f
-
3
6
d
B.
Th
e
sim
u
latio
n
re
su
lt
s
a
re
re
a
li
z
e
d
u
sin
g
t
h
e
(
c
o
m
p
u
ter
sim
u
latio
n
t
e
c
h
n
o
lo
g
y
)
CS
T
M
icro
wa
v
e
so
ftwa
re
.
K
ey
w
o
r
d
s
:
B
an
d
p
ass
f
ilter
DM
S
Mic
r
o
s
tr
ip
tech
n
o
lo
g
y
R
ec
tan
g
u
lar
r
eso
n
ato
r
T
h
is i
s
a
n
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r
th
e
CC B
Y
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
Ab
d
elh
af
id
B
elm
ajd
o
u
b
L
ab
o
r
ato
r
y
o
f
SIG
E
R
,
Facu
lty
o
f
Scien
ce
s
an
d
T
ec
h
n
ics
Un
iv
er
s
ity
o
f
Sid
i M
o
h
am
e
d
B
en
Ab
d
ellah
Fez,
Mo
r
o
cc
o
E
m
ail:
b
elm
ajd
o
u
b
.
ab
d
el
h
af
id
@
g
m
ail.
co
m
1.
I
NT
RO
D
UCT
I
O
N
T
h
e
r
ap
id
ev
o
l
u
tio
n
o
f
wir
e
less
co
m
m
u
n
icatio
n
s
s
y
s
tem
s
lik
e
W
i
-
Fi
an
d
b
lu
eto
o
t
h
a
p
p
licatio
n
s
in
cr
ea
s
es
th
e
d
em
an
d
f
o
r
th
e
d
esig
n
o
f
r
a
d
io
f
r
eq
u
e
n
cy
(
RF
)
f
ilter
s
h
av
in
g
a
lo
w
i
n
s
er
tio
n
lo
s
s
,
g
o
o
d
m
atch
in
g
lev
el,
co
m
p
ac
t
s
ize,
an
d
g
o
o
d
s
elec
tiv
ity
[
1
]
.
A
b
an
d
p
ass
f
ilter
is
o
n
e
o
f
th
e
m
o
s
t
im
p
o
r
tan
t
d
ev
ices
in
th
e
wir
eless
co
m
m
u
n
icatio
n
s
s
y
s
tem
s
,
wh
ich
ca
n
f
ilter
o
u
t
th
e
n
o
is
e
o
r
r
ed
u
ce
th
e
i
n
ter
f
er
en
ce
o
f
th
e
ex
ter
n
al
s
ig
n
als
th
at
co
u
l
d
af
f
ec
t
th
e
q
u
ality
o
r
th
e
p
er
f
o
r
m
a
n
ce
o
f
a
n
y
co
m
m
u
n
icatio
n
s
y
s
tem
.
I
t
s
co
n
ce
p
tio
n
is
d
ir
ec
tly
r
elate
d
to
th
e
p
er
f
o
r
m
an
ce
an
d
th
e
ty
p
e
o
f
d
esire
d
ap
p
licatio
n
[
2
]
.
T
h
e
r
ea
l
ch
allen
g
e
th
at
th
e
r
esear
ch
er
s
n
o
w
f
ac
e
is
th
u
s
o
b
tain
in
g
b
an
d
p
ass
f
ilter
s
th
at
ar
e
ch
ar
ac
ter
ized
b
y
t
h
eir
ex
ce
lle
n
t
m
atch
in
g
lev
el,
l
o
w
in
s
er
tio
n
lo
s
s
,
s
m
all
s
ize,
an
d
ea
s
e
o
f
f
a
b
r
icatio
n
.
Fo
r
th
is
,
s
ev
er
al
r
esear
ch
wo
r
k
s
h
av
e
p
r
o
p
o
s
ed
tech
n
iq
u
es
to
r
e
d
u
ce
f
ilter
s
ize
wh
ile
k
ee
p
i
n
g
g
o
o
d
p
er
f
o
r
m
a
n
ce
s
,
s
u
ch
as
o
p
e
n
-
lo
o
p
r
in
g
r
es
o
n
ato
r
s
[
3
-
6
]
,
p
a
r
allel
-
co
u
p
l
ed
lin
es
[
7
-
1
1
]
,
s
tep
p
ed
-
im
p
ed
an
ce
r
eso
n
ato
r
(
SIR)
[
1
2
,
1
3
]
a
n
d
d
e
f
ec
ted
g
r
o
u
n
d
s
tr
u
ct
u
r
e
(
DGS)
[
1
4
-
1
7
]
.
T
h
e
d
ef
ec
ted
m
icr
o
s
tr
ip
s
tr
u
ct
u
r
e
(
DM
S)
is
o
n
e
o
f
th
e
m
o
s
t
tech
n
iq
u
es
u
s
ed
to
r
ed
u
ce
th
e
f
ilter
s
ize
d
u
e
to
its
ea
s
y
d
esig
n
,
m
ak
es
it
with
h
ig
h
co
m
p
ac
tn
ess
,
h
ig
h
-
q
u
ality
f
ac
to
r
,
an
d
m
o
r
e
ea
s
ily
in
teg
r
at
ed
with
o
th
er
R
F
d
ev
ices.
T
h
is
tech
n
i
q
u
e
is
r
ea
lized
b
y
etch
in
g
s
lo
t
s
in
th
e
m
ic
r
o
s
tr
ip
lin
e,
wh
ich
d
is
tu
r
b
t
h
e
cu
r
r
en
t
d
is
tr
ib
u
tio
n
.
T
h
er
ef
o
r
e
,
th
e
ef
f
ec
tiv
e
in
d
u
ctan
ce
a
n
d
ca
p
ac
i
tan
ce
o
f
th
e
m
icr
o
-
s
tr
ip
lin
e
ar
e
ch
an
g
e
d
.
T
h
is
ch
an
g
e
af
f
ec
ts
th
e
r
eso
n
an
ce
ch
ar
ac
ter
is
tics
in
th
e
f
r
eq
u
en
c
y
r
esp
o
n
s
e.
Ho
wev
er
,
th
ese
ch
ar
ac
ter
is
tics
ca
n
b
e
u
s
ed
to
d
esig
n
c
o
m
p
ac
t m
icr
o
wav
e
co
m
p
o
n
en
ts
[
1
8
-
2
3
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
Desig
n
o
f c
o
mp
a
ct
micro
s
tr
ip
b
a
n
d
p
a
s
s
filt
er u
s
in
g
s
q
u
a
r
e
DMS
s
lo
ts
fo
r
Wi
-
F
i a
n
d
… (
A
.
B
elma
jd
o
u
b
)
725
I
n
th
is
p
ap
er
,
a
co
m
p
ac
t
m
ic
r
o
s
tr
ip
b
a
n
d
p
ass
f
ilter
b
ased
o
n
two
id
en
tical
r
ec
tan
g
u
lar
r
eso
n
ato
r
s
u
s
in
g
th
e
DM
S
tech
n
iq
u
e
h
as
b
ee
n
p
r
esen
ted
,
wh
ich
is
a
c
o
n
tin
u
atio
n
o
f
an
o
t
h
er
wo
r
k
[
2
4
,
2
5
]
.
T
h
e
d
esig
n
p
r
o
ce
d
u
r
e
f
o
llo
ws
two
m
ai
n
s
tep
s
.
T
h
e
f
ir
s
t
is
to
etch
s
q
u
ar
e
DM
S
s
lo
ts
o
n
a
co
n
v
en
tio
n
al
r
ec
tan
g
u
lar
r
eso
n
ato
r
wh
ich
ca
n
b
e
co
n
tr
o
lled
to
r
ed
u
ce
th
e
r
eso
n
a
to
r
s
ize.
W
h
er
ea
s
th
e
s
ec
o
n
d
s
tep
co
n
s
is
ts
in
ass
o
ciatin
g
o
f
two
id
e
n
tical
m
o
d
if
ied
r
eso
n
ato
r
s
to
d
eter
m
in
e
th
e
p
er
f
o
r
m
a
n
ce
s
o
f
th
e
f
ilter
in
ter
m
s
o
f
b
an
d
wid
th
,
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atch
in
g
le
v
el
an
d
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s
er
tio
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lo
s
s
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h
e
p
r
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p
o
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ed
co
m
p
ac
t
b
a
n
d
p
ass
f
ilter
is
s
im
u
lated
,
o
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tim
ized
an
d
im
p
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ted
o
n
an
R
T
6
0
1
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u
b
s
tr
ate
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a
d
ielec
tr
ic
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n
s
tan
t
o
f
1
0
.
2
,
a
t
h
ick
n
ess
o
f
1
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2
7
m
m
an
d
a
tan
g
en
t
lo
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s
o
f
0
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0
0
2
3
,
it
h
as
a
v
er
y
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m
all
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ize
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f
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6
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8
2
x
8
.
3
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m
m
²
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lo
w
in
s
er
tio
n
l
o
s
s
(
-
0
.
1
d
B
)
an
d
g
o
o
d
m
atch
in
g
lev
el
(
-
3
6
d
B
)
.
T
h
e
s
im
u
latio
n
r
esu
lts
ar
e
ca
r
r
ie
d
o
u
t u
s
in
g
th
e
C
ST
Mic
r
o
wav
e
s
o
f
twar
e.
T
h
e
p
ap
er
o
r
g
a
n
izatio
n
is
g
iv
e
n
as
f
o
llo
ws.
I
n
s
ec
tio
n
1
,
t
h
e
b
ac
k
g
r
o
u
n
d
,
r
elate
d
wo
r
k
s
,
an
d
n
o
v
elty
o
f
th
is
p
ap
er
ar
e
d
escr
ib
ed
.
I
n
s
ec
tio
n
2
.
1
,
th
e
p
r
o
p
o
s
ed
r
ec
ta
n
g
u
lar
r
eso
n
at
o
r
g
eo
m
etr
y
an
d
its
ch
ar
ac
ter
is
tics
ar
e
p
r
esen
ted
.
T
h
en
,
s
q
u
ar
e
-
s
h
ap
ed
DM
S
is
in
teg
r
ated
in
to
th
e
r
eso
n
ato
r
to
r
ed
u
ce
its
s
ize
with
g
o
o
d
u
n
lo
ad
e
d
q
u
ality
f
ac
t
o
r
a
n
d
in
s
ec
tio
n
2
.
2
;
we
ass
o
ciate
two
id
en
tical
r
ec
ta
n
g
u
lar
r
eso
n
at
o
r
s
f
o
r
d
esig
n
in
g
a
co
m
p
ac
t
b
a
n
d
p
ass
f
ilter
with
g
o
o
d
elec
tr
ical
p
e
r
f
o
r
m
a
n
ce
s
.
I
n
s
ec
tio
n
3
,
a
c
o
n
clu
s
io
n
is
m
ad
e
t
o
s
h
o
w
th
e
f
in
d
in
g
a
n
d
b
en
ef
its
o
f
t
h
e
p
r
o
p
o
s
ed
b
an
d
p
ass
f
ilter
d
esig
n
.
2.
C
O
M
P
AC
T
B
AN
DP
ASS F
I
L
T
E
R
D
E
SI
G
N
A
ND
M
I
NI
AT
UR
I
Z
A
T
I
O
N
T
h
e
m
ain
o
b
jectiv
e
o
f
th
is
wo
r
k
is
to
d
esig
n
a
co
m
p
ac
t
b
a
n
d
p
ass
f
ilter
f
o
r
wir
eless
co
m
m
u
n
icatio
n
ap
p
licatio
n
s
(
W
i
-
Fi
an
d
B
lu
eto
o
th
)
b
y
u
s
in
g
m
o
d
if
ie
d
r
ec
ta
n
g
u
lar
r
eso
n
ato
r
.
T
h
e
b
a
n
d
p
a
s
s
f
ilter
is
d
esig
n
ed
b
y
u
s
in
g
R
T
6
0
1
0
s
u
b
s
tr
ate
an
d
it
is
s
im
u
lated
u
s
in
g
C
ST
to
o
l.
T
h
e
d
esire
d
f
ilter
is
esti
m
ated
to
h
av
e
a
co
m
p
ac
t size
o
f
(
6
.
8
2
x
8
.
3
)
m
m
2
,
with
b
etter
elec
tr
ical
p
er
f
o
r
m
an
ce
s
m
ee
tin
g
th
e
s
p
ec
if
icatio
n
s
T
ab
le
1
.
T
ab
le
1
.
Sp
ec
if
icatio
n
s
o
f
th
e
d
esire
d
f
ilter
P
a
r
a
me
t
e
r
s
V
a
l
u
e
s
C
e
n
t
e
r
f
r
e
q
u
e
n
c
y
(
f
0
)
2
.
4
G
H
z
B
a
n
d
w
i
d
t
h
(
B
W
)
3
0
0
M
H
z
M
a
t
c
h
i
n
g
l
e
v
e
l
(
S
11
)
<
-
1
5
d
B
I
n
sert
i
o
n
l
o
ss (S
21
)
>
-
0
.
5
d
B
2
.
1
.
T
he
co
nv
ent
io
na
l r
ec
t
a
ng
ula
r
re
s
o
na
t
o
r
cha
ra
ct
er
is
t
ics
T
h
e
g
e
o
m
etr
y
of
th
e
c
o
n
v
e
n
tio
n
al
r
ec
tan
g
u
lar
r
eso
n
ato
r
[
24
]
co
n
s
is
ts
of
f
i
v
e
m
icr
o
s
tr
ip
li
n
e
s
ec
tio
n
s
clo
s
ed
b
y
a
lu
m
p
e
d
ca
p
ac
ito
r
(
1
.
1
5
p
F)
an
d
im
p
lem
e
n
ted
o
n
a
d
ielec
tr
ic
s
u
b
s
tr
ate
R
T
6
0
1
0
with
th
ick
n
ess
h
=1
.
2
7
m
m
an
d
r
elativ
e
p
e
r
m
itti
v
ity
ԑ
r
=1
0
.
2
,
as
s
h
o
wn
i
n
F
ig
u
r
e
1
.
T
h
is
r
eso
n
at
o
r
o
p
er
at
es
at
2
.
4
GHz
with
an
u
n
lo
a
d
ed
q
u
ality
f
ac
to
r
o
f
ar
o
u
n
d
1
2
8
.
5
5
.
T
h
is
v
alu
e
is
i
n
th
e
in
ter
v
al
v
alu
es
co
r
r
esp
o
n
d
in
g
to
m
icr
o
s
tr
ip
f
ilter
s
[
2
5
]
.
All th
e
d
im
en
s
io
n
s
o
f
th
e
co
n
v
en
tio
n
al
r
ec
tan
g
u
lar
r
eso
n
ato
r
a
r
e
s
u
m
m
ar
ized
in
T
ab
le
2
.
T
o
r
ed
u
ce
th
e
s
ize
o
f
th
is
c
o
n
v
en
tio
n
al
r
eso
n
ato
r
,
a
s
im
p
le
s
q
u
ar
e
DM
S
s
lo
t
is
in
teg
r
ated
in
to
m
icr
o
s
tr
ip
lin
e
s
ec
tio
n
L
1
(
Fi
g
u
r
e
2
(
a
)
).
T
h
e
in
teg
r
atio
n
o
f
th
e
s
q
u
ar
e
s
lo
t
(
DM
S)
im
p
ac
ts
th
e
r
eso
n
a
n
ce
f
r
eq
u
e
n
cy
wh
ich
h
as
s
h
if
ted
f
r
o
m
2
.
4
to
2
.
1
8
GHz
(
Fig
u
r
e
2
(
b
)
)
.
T
o
f
in
d
th
e
f
r
eq
u
en
cy
f
ix
e
d
in
th
e
s
p
ec
if
icatio
n
s
(
2
.
4
GHz
)
,
we
p
r
o
ce
ed
t
o
an
a
d
ju
s
tm
en
t
o
f
“
L
1
”
an
d
“
a
”
,
t
h
u
s
lead
in
g
to
a
r
ed
u
ctio
n
in
th
e
d
im
en
s
io
n
s
o
f
th
e
r
eso
n
ato
r
.
(
a)
(
b
)
Fig
u
r
e
1
.
(
a
)
Mic
r
o
s
tr
ip
tech
n
o
lo
g
y
,
(
b
)
C
o
n
f
ig
u
r
atio
n
o
f
th
e
co
n
v
e
n
tio
n
al
r
ec
tan
g
u
lar
r
eso
n
ato
r
At
th
e
f
ix
ed
r
eso
n
an
ce
f
r
eq
u
en
cy
,
an
d
b
y
v
a
r
y
in
g
“
a
”
a
n
d
“
L
1
”,
we
an
aly
ze
th
e
u
n
lo
a
d
ed
q
u
ality
f
ac
to
r
Q
0
,
wh
ich
ca
n
b
e
u
s
ed
to
m
ea
s
u
r
e
th
e
lo
s
s
o
f
th
e
r
eso
n
an
t
cir
cu
it.
Q
0
is
o
b
tain
ed
f
r
o
m
th
e
f
r
eq
u
e
n
cy
r
esp
o
n
s
e
o
f
th
e
cir
cu
it (
Fig
u
r
e
2
(
a
)
)
u
s
in
g
(1
-
2)
[
1
]
:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1693
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
V
o
l.
19
,
No
.
3
,
J
u
n
e
2
0
2
1
:
7
2
4
-
72
9
726
Q
0
=
Q
1
−
S
21
(
1
)
Q
=
f
0
BW
(
2
)
with
q
th
e
lo
ad
ed
q
u
ality
f
ac
t
o
r
,
S
21
is
th
e
in
s
er
tio
n
lo
s
s
at
th
e
r
eso
n
an
ce
f
r
eq
u
en
cy
f
0
an
d
B
W
i
s
th
e
b
an
d
wid
th
.
Fo
r
ea
ch
co
u
p
le
o
f
“a”
an
d
“
L
1
”,
wh
ile
th
e
r
eso
n
an
t
f
r
eq
u
e
n
cy
is
f
ix
ed
at
2
.
4
GHz
,
Q
0
is
ca
lc
u
lated
.
T
ab
le
3
s
u
m
m
ar
izes
o
b
tain
e
d
r
esu
lts
.
Fro
m
th
e
a
n
aly
s
is
o
f
th
e
r
esu
lts
in
th
e
T
ab
le
3
,
an
d
b
y
m
ak
i
n
g
a
co
m
p
r
o
m
is
e
b
etwe
en
th
e
s
ize
o
f
th
e
r
eso
n
ato
r
an
d
Q
0
,
th
e
b
est
co
m
p
r
o
m
is
e
is
o
b
tain
ed
f
o
r
th
e
iter
atio
n
4
with
th
e
b
est
Q
0
an
d
a
r
ed
u
ce
d
s
ize
.
T
ab
le
2
.
Dim
en
s
io
n
s
o
f
th
e
c
o
n
v
en
tio
n
al
r
ec
tan
g
u
la
r
r
eso
n
at
o
r
P
a
r
a
me
t
e
r
s
V
a
l
u
e
s
(m
m)
W
1
.
1
7
L
1
7
.
2
8
5
L
2
3
G
1
(
a)
(
b
)
Fig
u
r
e
2
.
(
a
)
Sq
u
ar
e
s
lo
t D
MS
co
n
f
ig
u
r
atio
n
,
(
b
)
Simu
lated
S
21
(
d
B
)
o
f
th
e
p
r
o
p
o
s
ed
r
eso
n
ato
r
with
an
d
with
o
u
t D
MS
T
ab
le
3
.
T
h
e
p
ar
am
et
r
ic
s
tu
d
y
o
f
“
a
”
an
d
“
L
1
”
I
t
e
r
a
t
i
o
n
a
(
mm
)
S
i
z
e
L
1
xL
2
(
mm
²)
Q
0
1
0
.
2
(
7
.
1
7
5
x
3
)
1
1
4
.
5
2
2
0
.
4
7
.
0
5
x
3
1
2
7
.
8
3
3
4
5
0
.
6
0
.
8
0
.
9
9
6
.
8
5
x
3
6
.
4
5
x
3
5
.
7
x
3
1
3
3
.
6
9
1
3
4
.
3
1
1
2
9
.
9
0
2
.
2
.
B
a
nd
pa
s
s
f
ilte
r
ba
s
ed
o
n t
wo
identica
l r
ec
t
a
ng
ula
r
r
eso
na
t
o
rs
T
o
o
b
tain
a
b
an
d
p
ass
f
ilter
f
o
r
Wi
-
Fi
an
d
b
lu
eto
o
th
ap
p
licatio
n
s
with
two
tr
an
s
m
is
s
io
n
ze
r
o
s
,
g
o
o
d
m
atch
in
g
lev
el
(
S
11
<
-
1
5
d
B
)
an
d
lo
w
in
s
er
tio
n
lo
s
s
(
S
21
>
-
1
d
B
)
,
with
a
b
an
d
wid
th
ab
o
u
t
3
0
0
MH
z
,
an
o
p
tim
al
co
n
f
ig
u
r
atio
n
o
f
f
ilter
b
ased
o
n
m
icr
o
s
tr
ip
tech
n
o
lo
g
y
is
p
r
o
p
o
s
ed
Fig
u
r
e
3.
T
h
is
s
tr
u
ctu
r
e
c
o
n
s
is
ts
o
f
two
id
en
tical
co
u
p
led
r
ec
tan
g
u
lar
r
eso
n
ato
r
s
s
ep
ar
ated
b
y
th
e
d
is
tan
ce
“S”,
an
d
co
n
n
ec
ted
with
two
f
ee
d
lin
es
(
5
0
Ω
)
.
T
h
ese
r
eso
n
ato
r
s
ar
e
im
p
lem
en
ted
o
n
a
R
T
6
0
1
0
s
u
b
s
tr
atew
ith
a
th
ic
k
n
ess
o
f
1
.
2
7
m
m
,
a
d
ielec
tr
ic
co
n
s
tan
t
o
f
1
0
.
2
an
d
tan
g
en
t
lo
s
s
o
f
0
.
0
0
2
3
.
T
h
e
o
p
tim
al
f
ee
d
lin
e
l
o
ca
tio
n
(
d
=
3
.
0
1
m
m
)
ca
n
b
e
esti
m
ated
b
y
[
1
]
:
=
2
(
1
+
2
)
−
1
(
√
2
)
(
3)
=
0
1
=
6
.
74
(
4
)
wh
er
e
is
th
e
ex
ter
n
al
q
u
ality
f
ac
to
r
,
g
0
=
1
an
d
g
1
=
0
.
8
4
3
1
ar
e
th
e
n
o
r
m
alize
d
v
alu
es
o
f
a
C
h
eb
y
s
h
ev
0
.
1
d
B
an
d
FB
W
is
th
e
r
elativ
e
b
an
d
wid
th
(
0
.
1
2
5
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
Desig
n
o
f c
o
mp
a
ct
micro
s
tr
ip
b
a
n
d
p
a
s
s
filt
er u
s
in
g
s
q
u
a
r
e
DMS
s
lo
ts
fo
r
Wi
-
F
i a
n
d
… (
A
.
B
elma
jd
o
u
b
)
727
Fig
u
r
e
3
.
L
a
y
o
u
t
o
f
p
r
o
p
o
s
ed
b
an
d
p
ass
f
ilter
I
n
o
r
d
er
to
g
et
th
e
o
p
tim
al
d
is
tan
ce
b
etwe
en
th
e
r
ec
tan
g
u
lar
r
eso
n
ato
r
s
,
a
p
ar
am
et
r
ic
s
tu
d
y
o
f
“S”
is
p
r
esen
ted
in
Fig
u
r
e
s
4
a
n
d
5
.
T
h
is
s
tu
d
y
b
ased
on
th
e
co
u
p
lin
g
b
etwe
en
t
h
er
eso
n
ato
r
s
th
at
co
n
s
titu
te
th
e
b
an
d
p
ass
f
ilter
.
W
h
en
two
s
tr
i
ctly
id
en
tical
r
eso
n
ato
r
s
ar
e
p
l
ac
ed
s
id
e
b
y
s
id
e,
th
er
eso
n
a
n
c
e
m
o
d
es
o
f
ea
c
h
o
f
th
em
ar
e
d
is
tu
r
b
ed
.
T
h
is
p
er
t
u
r
b
atio
n
th
at
c
o
r
r
esp
o
n
d
s
to
th
e
co
u
p
lin
g
d
ep
e
n
d
s
o
n
t
h
e
in
ter
-
r
eso
n
at
o
r
s
d
is
tan
ce
“
S
”
.
T
ab
le
4
s
h
o
ws
v
ar
iatio
n
s
o
f
th
e
r
etu
r
n
lo
s
s
,
in
s
er
tio
n
lo
s
s
an
d
b
an
d
wid
t
h
with
th
e
ch
a
n
g
e
o
f
th
e
d
is
tan
ce
S.
Fro
m
th
is
tab
le
,
we
ca
n
s
ee
th
at
t
h
e
b
an
d
wid
th
c
an
b
e
d
ec
r
ea
s
ed
b
y
in
cr
ea
s
in
g
th
e
in
te
r
-
r
eso
n
ato
r
s
p
ac
e
"S",
at
th
e
s
am
e
tim
e,
th
e
lev
el
o
f
t
h
e
in
s
er
tio
n
l
o
s
s
d
ec
r
ea
s
e
,
s
o
,
th
e
b
est
p
er
f
o
r
m
an
ce
in
ter
m
s
o
f
ad
ap
tatio
n
,
in
s
er
tio
n
lo
s
s
an
d
b
an
d
wid
th
is
o
b
tain
ed
f
o
r
S
=
0
.
3
m
m
.
Fig
u
r
e
6
d
e
m
o
n
s
tr
ates
th
e
f
in
al
r
esu
lts
o
f
th
e
p
r
o
p
o
s
ed
b
a
n
d
p
ass
f
ilter
i
n
ter
m
s
o
f
m
atc
h
in
g
le
v
el
S1
1
,
in
s
er
tio
n
lo
s
s
S2
1
,
an
d
b
an
d
wid
th
.
I
t
is
o
b
s
er
v
e
d
th
at
th
e
p
r
o
p
o
s
ed
f
ilter
p
r
o
v
id
es
b
a
n
d
wid
th
eq
u
als
3
0
0
MH
z
at
a
ce
n
ter
f
r
eq
u
en
c
y
o
f
2
.
4
GHz
,
an
d
a
m
atch
i
n
g
lev
el
S1
1
o
f
-
3
6
d
B
.
T
h
e
co
r
r
esp
o
n
d
in
g
in
s
er
tio
n
lo
s
s
S2
1
is
eq
u
al
to
-
0
.
1
d
B
.
T
h
e
two
tr
an
s
m
is
s
io
n
ze
r
o
s
ar
e
v
is
ib
le
at
th
e
f
r
eq
u
en
cies
,
2
.
0
5
GHz
an
d
2
.
7
GHz
,
wh
ich
in
d
icate
s
a
s
h
ar
p
c
u
t b
e
f
o
r
e
an
d
af
t
er
t
h
e
b
an
d
wid
th
.
F
ig
u
r
e
4
.
Simu
lated
r
esu
lts
o
f
r
ef
lex
io
n
l
o
s
s
f
o
r
d
if
f
er
en
t
v
alu
es o
f
S
Fig
u
r
e
5
.
Simu
lated
r
esu
lts
o
f
in
s
er
tio
n
lo
s
s
f
o
r
d
if
f
er
en
t
v
alu
es o
f
S
T
ab
le
4
.
T
h
e
p
ar
am
et
r
ic
s
tu
d
y
o
f
S
S
(
mm
)
S
11
(
d
B
)
S
21
(
d
B
)
B
W
(
G
H
z
)
0.
26
-
23
-
0.
15
0
.
3
23
0
.
2
8
-
2
6
.
3
2
-
0
.
1
2
0
.
3
1
1
0
.
3
0
.
3
2
0
.
3
4
-
3
6
.
7
5
-
3
5
.
1
6
-
2
7
3
6
4
-
0
.
1
-
0
.
1
-
0
.
1
1
0
.
3
0
.
2
9
0
.
2
8
T
o
v
alid
ate
th
e
f
ilter
p
er
f
o
r
m
a
n
ce
s
,
th
e
cu
r
r
en
t
d
is
tr
ib
u
tio
n
i
s
ex
am
in
ed
.
Fig
u
r
e
7
s
h
o
ws
th
e
cu
r
r
en
t
d
is
tr
ib
u
tio
n
s
f
o
r
t
h
e
d
esig
n
ed
f
ilter
at
2
.
4
GHz
(
b
an
d
wid
t
h
)
an
d
4
GHz
(
b
a
n
d
s
to
p
)
.
Fro
m
th
e
an
aly
s
is
o
f
Fig
u
r
e
7
,
it
ca
n
b
e
s
ee
n
th
at
th
e
cu
r
r
en
t
s
h
o
ws
m
ax
im
u
m
d
is
tr
ib
u
tio
n
at
2
.
4
GHz
an
d
a
m
i
n
im
u
m
d
is
tr
ib
u
tio
n
at
4
GHz
.
T
h
is
m
ea
n
s
th
at
th
e
d
esig
n
ed
f
ilter
o
f
f
er
s
to
tal
t
r
an
s
m
is
s
io
n
in
b
an
d
wid
th
an
d
to
tal
r
ef
le
x
io
n
i
n
b
an
d
s
to
p
.
T
h
e
p
er
f
o
r
m
an
ce
o
f
th
e
p
r
o
p
o
s
ed
b
a
n
d
p
ass
f
ilte
r
is
s
u
m
m
ar
ized
in
T
a
b
le
4
with
o
t
h
er
r
ep
o
r
ted
wo
r
k
s
f
o
r
co
m
p
ar
is
o
n
.
I
t
ca
n
b
e
s
ee
n
f
r
o
m
T
ab
le
5
th
at
th
e
p
r
o
p
o
s
ed
f
ilter
h
as
a
v
er
y
s
m
all
s
ize
(
6
.
8
2
x
8
.
3
)
m
m
²
with
g
o
o
d
p
e
r
f
o
r
m
an
ce
s
th
an
th
o
s
e
r
e
p
o
r
ted
i
n
th
e
liter
atu
r
e.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
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6
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T
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L
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o
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,
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o
l.
19
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No
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3
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J
u
n
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2
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:
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u
r
e
6
.
S p
a
r
am
eter
s
f
o
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p
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o
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ed
DM
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f
ilter
Fig
u
r
e
7
.
C
u
r
r
e
n
t d
is
tr
ib
u
tio
n
at
:
(
a)
2
.
4
GHz
an
d
(
b
)
4
GHz
T
ab
le
5
.
Per
f
o
r
m
an
ce
co
m
p
a
r
is
o
n
with
p
r
ev
io
u
s
wo
r
k
s
Ref
f
0
(
G
H
z
)
B
W
(
G
H
z
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I
n
sert
i
o
n
l
o
ss
(
d
B
)
S
i
z
e
(
mm
²)
[6
]
[
2
5
]
2
.
4
2
.
4
0
.
2
9
0
.
3
0
.
2
3
0
.
0
1
9
.
4
x
2
3
.
1
7
.
4
8
5
x
8
.
1
8
[
2
6
]
2
.
4
0
.
1
2
0
.
9
1
2
2
x
2
2
[
2
7
]
Th
i
s
w
o
r
k
2
.
4
2
.
4
0
.
0
7
0
.
3
0
.
3
2
0
.
1
1
8
x
1
8
6
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8
2
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8
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3
3.
CO
NCLU
SI
O
N
I
n
th
is
p
ap
er
,
a
m
icr
o
s
tr
ip
b
an
d
p
ass
f
ilter
u
s
in
g
t
h
e
m
o
d
if
ied
r
ec
ta
n
g
u
lar
r
eso
n
ato
r
h
as
b
ee
n
p
r
esen
ted
.
T
h
e
m
o
d
if
ied
r
ec
ta
n
g
u
lar
r
eso
n
ato
r
b
ased
o
n
th
e
DM
S
s
lo
t
o
f
f
e
r
s
ad
v
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n
tag
es
o
f
s
im
p
le
t
o
p
o
lo
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y
,
m
in
iatu
r
e
s
ize,
an
d
a
g
o
o
d
u
n
lo
ad
e
d
q
u
ality
f
ac
to
r
(
1
3
4
.
3
1
)
.
T
h
e
d
esig
n
ed
f
ilter
d
em
o
n
s
tr
ates
en
h
an
ce
d
p
ass
b
an
d
b
e
h
av
io
r
with
a
ce
n
ter
f
r
eq
u
e
n
cy
o
f
2
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4
0
GHz
an
d
b
an
d
wid
th
f
i
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ed
at
3
0
0
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z.
T
h
is
f
ilter
is
ch
ar
ac
ter
iz
ed
b
y
a
g
o
o
d
m
atc
h
in
g
lev
el
o
f
-
3
6
d
B
an
d
a
v
er
y
lo
w
in
s
er
tio
n
lo
s
s
o
f
-
0
.
1
d
B
.
T
wo
tr
an
s
m
is
s
io
n
ze
r
o
s
ar
e
lo
ca
te
d
at
2
.
0
5
GHz
an
d
2
.
7
GHz
.
T
h
is
o
b
tain
ed
r
esu
lts
s
h
o
w
th
at
th
is
f
ilter
p
r
o
v
id
es
a
r
ea
s
o
n
a
b
le
m
atch
in
g
lev
el
an
d
in
s
er
tio
n
l
o
s
s
as
we
ll
as
o
f
f
er
in
g
o
v
er
all
f
ilter
d
im
en
s
io
n
s
o
f
6
.
8
2
×
8
.
3
m
m²
wh
ich
m
ak
es
th
e
p
r
o
p
o
s
ed
f
ilter
v
er
y
d
esira
b
le
f
o
r
b
lu
eto
o
t
h
an
d
W
i
-
Fi ap
p
licatio
n
s
.
RE
F
E
R
E
NC
E
S
[1
]
J.
S
.
Ho
n
g
,
“
M
icro
str
ip
F
il
ters
fo
r
RF
/M
icro
wa
v
e
Ap
p
li
c
a
ti
o
n
s
,
”
W
il
e
y
se
rie
s
in
M
icr
o
w
a
v
e
a
n
d
o
p
ti
c
a
l
En
g
i
n
e
e
rin
g
,
2
0
0
1
.
[2
]
D.
M.
P
o
z
z
a
r
,
“
M
icro
wa
v
e
E
n
g
i
n
e
e
rin
g
,
”
3
r
d
e
d
it
io
n
,
J
o
h
n
W
il
e
y
s
o
n
s
,
2
0
1
2
.
[3
]
M
.
Ha
m
e
e
d
,
“
M
u
lt
ip
le
-
m
o
d
e
wid
e
b
a
n
d
b
a
n
d
p
a
ss
f
il
ter u
sin
g
s
p
li
t
ri
n
g
re
so
n
a
to
rs
i
n
a
re
c
tan
g
u
lar
wa
v
e
g
u
i
d
e
c
a
v
it
y
,
”
El
e
c
tro
n
ics
,
v
o
l
.
7
,
n
o
.
1
2
,
p
p
.
3
5
6
,
2
0
1
8
.
[4
]
P.
Z
h
a
n
g
,
“
Ap
p
li
c
a
ti
o
n
o
f
a
S
tu
b
-
Lo
a
d
e
d
S
q
u
a
re
Rin
g
Re
s
o
n
a
to
r
f
o
r
Wi
d
e
b
a
n
d
Ba
n
d
p
a
ss
F
il
ter
De
sig
n
,
”
El
e
c
tro
n
ics
,
v
o
l.
9
,
n
o
.
1
,
p
p
.
1
-
15
,
2
0
2
0
.
[5
]
B.
Na
siri
,
“
Ba
n
d
-
p
a
ss
fil
ter
b
a
se
d
o
n
c
o
m
p
lem
e
n
tary
sp
l
it
ri
n
g
re
so
n
a
to
r,
”
T
EL
KOM
NIKA
(
T
e
l
e
c
o
mm
u
n
ica
ti
o
n
Co
mp
u
t
in
g
El
e
c
tro
n
ics
a
n
d
C
o
n
tr
o
l)
,
v
o
l
.
1
8
,
no
.
3
,
p
p
.
1
1
4
5
-
1
1
4
9
,
2
0
2
0
.
[6
]
A.
Be
lma
jd
o
u
b
,
“
De
sig
n
,
o
p
ti
m
i
z
a
ti
o
n
a
n
d
re
a
li
z
a
ti
o
n
o
f
c
o
m
p
a
c
t
b
a
n
d
p
a
ss
fil
ter
u
si
n
g
two
i
d
e
n
t
ica
l
sq
u
a
re
o
p
e
n
lo
o
p
re
so
n
a
t
o
rs
fo
r
wire
les
s
c
o
m
m
u
n
ica
ti
o
n
s
sy
ste
m
s,”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
I
n
stru
me
n
t
a
ti
o
n
(
J
INS
T
),
v
o
l.
1
4
,
p
p
.
0
9
-
1
2
,
2
0
1
9
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
Desig
n
o
f c
o
mp
a
ct
micro
s
tr
ip
b
a
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p
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s
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filt
er u
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DMS
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fo
r
Wi
-
F
i a
n
d
… (
A
.
B
elma
jd
o
u
b
)
729
[7
]
A.
Be
lma
jd
o
u
b
,
“
De
sig
n
a
n
d
o
p
t
imiz
a
ti
o
n
o
f
a
n
e
w
c
o
m
p
a
c
t
b
a
n
d
p
a
ss
fi
lt
e
r
u
si
n
g
DG
S
tec
h
n
iq
u
e
a
n
d
U
-
sh
a
p
e
d
r
e
so
n
a
to
rs
f
o
r
W
LAN
a
p
p
li
c
a
ti
o
n
s
,”
T
EL
KOM
NIKA
(T
e
lec
o
m
mu
n
ica
t
io
n
Co
m
p
u
t
in
g
El
e
c
tro
n
i
c
s
a
n
d
Co
n
tro
l),
v
o
l.
1
7
,
no
.
3
,
p
p
.
1
0
8
1
-
1
0
8
9
,
2
0
1
9
.
[8
]
A.
P
u
r
o
h
it
,
“
De
sig
n
a
n
d
sim
u
lat
io
n
o
f
h
a
ir
p
in
b
a
n
d
p
a
ss
fil
ter
f
o
r
d
iffere
n
t
s
u
b
stra
te
,
”
I
n
tern
a
ti
o
n
a
l
J
o
u
r
n
a
l
o
f
En
g
i
n
e
e
rin
g
a
n
d
T
e
c
h
n
ica
l
Res
e
a
rc
h
,
v
o
l.
3
,
no.
1
,
p
p
.
6
2
-
6
4
,
2
0
1
5
.
[9
]
Va
g
h
e
la,
“
De
sig
n
,
S
imu
latio
n
a
n
d
De
v
e
lo
p
m
e
n
t
o
f
Ba
n
d
p
a
ss
F
il
ter
a
t
2
.
5
G
Hz
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
En
g
i
n
e
e
rin
g
De
v
e
lo
p
me
n
t
a
n
d
Re
se
a
rc
h
,
v
o
l.
3
,
no.
2
,
2
0
1
5
.
[1
0
]
L.
Do
n
g
-
S
h
e
n
g
,
“
De
sig
n
o
f
Bro
a
d
b
a
n
d
Ba
n
d
-
P
a
ss
F
il
ter
with
Cro
s
s
-
Co
u
p
le
d
Li
n
e
S
tr
u
c
tu
re
,
”
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
A
n
ten
n
a
s
a
n
d
Pro
p
a
g
a
t
io
n
,
v
o
l
.
2
0
2
0
,
n
o
.
9
,
p
p
.
1
-
5
,
2
0
2
0
.
[1
1
]
Y.
P
e
n
g
,
“
C
o
m
p
a
c
t
d
u
a
l
-
b
a
n
d
b
a
n
d
p
a
ss
fil
ter
u
si
n
g
c
o
u
p
led
li
n
e
s
m
u
lt
imo
d
e
re
so
n
a
t
o
r
,”
IEE
E
M
icr
o
w.
W
ire
l.
Co
mp
o
n
.
L
e
tt
.
,
v
o
l.
25,
n
o
.
4
,
p
p
.
235
-
2
3
7
,
2
0
1
5
.
[1
2
]
Y.
Ja
y
G
u
o
,
“
De
sig
n
o
f
m
u
lt
i
-
b
a
n
d
b
a
n
d
p
a
ss
fil
ters
b
a
se
d
o
n
st
u
b
l
o
a
d
e
d
ste
p
p
e
d
imp
e
d
a
n
c
e
re
so
n
a
t
o
r
wit
h
d
e
fe
c
ted
m
icro
strip
stru
c
t
u
re
,
”
IET
M
icr
o
wa
v
e
s A
n
ten
n
a
s &
Pro
p
a
g
a
ti
o
n
,
v
o
l.
1
0
,
n
o
.
2
,
p
p
.
2
3
0
-
2
3
6
,
2
0
1
5
.
[1
3
]
K.
In
‐
S
e
o
n
,
“
Tri
‐
se
c
ti
o
n
ste
p
p
e
d
imp
e
d
a
n
c
e
re
so
n
a
to
r
with
a
d
ju
sta
b
le
len
g
t
h
a
n
d
imp
r
o
v
e
d
s
e
c
o
n
d
h
a
rm
o
n
ic
c
h
a
ra
c
teristics
,
”
M
icr
o
wa
v
e
a
n
d
o
p
ti
c
a
l
tec
h
n
o
l
o
g
y
letter
s
,
v
o
l
.
6
2
,
n
o
.
1
,
p
p
.
8
2
-
8
7
,
2
0
1
9
.
[1
4
]
A.
Bo
u
tejd
a
r
,
“
De
sig
n
a
n
d
Im
p
r
o
v
e
m
e
n
t
o
f
a
Co
m
p
a
c
t
Ba
n
d
p
a
s
s
F
il
ter
u
si
n
g
DG
S
Tec
h
n
i
q
u
e
f
o
r
W
LAN
a
n
d
Wi
M
AX
Ap
p
li
c
a
ti
o
n
s
,
”
T
EL
KO
M
NIKA
(
T
e
lec
o
mm
u
n
ica
ti
o
n
C
o
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l),
v
o
l.
1
5
,
no
.
3
,
p
p
.
1
1
3
7
-
1
1
4
4
,
2
0
1
7
.
[1
5
]
J.
Li
u
,
“
Ne
w
u
lt
ra
-
wid
e
b
a
n
d
fil
t
e
r
with
sh
a
rp
n
o
tch
e
d
b
a
n
d
u
si
n
g
d
e
fe
c
ted
g
r
o
u
n
d
stru
c
t
u
re
,
”
Pr
o
g
.
El
e
c
tro
ma
g
n
.
Res
.
L
e
tt
,
v
o
l.
8
3
,
p
p
.
9
9
-
1
0
5
,
2
0
1
9
.
[1
6
]
J.
Lu
,
“
De
sig
n
o
f
c
o
m
p
a
c
t
b
a
lan
c
e
d
u
lt
ra
-
wid
e
b
a
n
d
b
a
n
d
p
a
ss
fil
t
e
r
with
h
a
lf
m
o
d
e
d
u
m
b
b
e
ll
DG
S
,
”
El
e
c
tro
n
ics
L
e
tt
e
rs
,
vol
.
5
2
,
no
.
9
,
p
p
.
7
3
1
-
7
3
2
,
2
0
1
6
.
[1
7
]
L.
S
h
i,
“
M
i
n
iat
u
rize
d
lo
w
-
p
a
ss
fil
ter
b
a
se
d
o
n
d
e
fe
c
ted
g
r
o
u
n
d
stru
c
t
u
re
a
n
d
c
o
m
p
e
n
sa
ted
m
icro
strip
li
n
e
,
”
M
icr
o
wa
v
e
a
n
d
Op
ti
c
a
l
T
e
c
h
n
o
l
o
g
y
L
e
tt
e
rs
,
v
o
l.
6
2
,
n
o
.
3
,
pp.
1
0
9
3
-
1
0
9
7
,
2
0
2
0
.
[1
8
]
T.
Ha
m
m
e
d
,
“
Co
m
p
a
c
t
m
u
lt
ip
le
b
a
n
d
st
o
p
fi
lt
e
r
u
si
n
g
i
n
teg
ra
ted
c
ircu
it
o
f
d
e
fe
c
ted
m
icro
strip
str
u
c
tu
re
(DMS
)
a
n
d
d
u
a
l
-
m
o
d
e
re
so
n
a
to
r
,
”
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
lec
tro
n
ics
a
n
d
Co
mm
u
n
ica
ti
o
n
s
,
v
o
l.
1
0
7
,
p
p
.
2
0
9
-
2
1
4
,
2
0
1
9
.
[1
9
]
A.
Bo
u
tejd
a
r
,
“
De
sig
n
a
n
d
M
a
n
u
fa
c
tu
rin
g
o
f
a
n
o
v
e
l
Co
m
p
a
c
t
2
.
4
G
Hz
LP
F
u
sin
g
a
D
GS
-
DMS
C
o
m
b
in
a
ti
o
n
a
n
d
Qu
a
si Oc
tag
o
n
a
l
Re
so
n
a
to
rs f
o
r
Ra
d
a
r
a
n
d
G
P
S
Ap
p
li
c
a
ti
o
n
s,”
Pr
o
g
re
ss
in
E
lec
tro
ma
g
n
,
v
o
l
.
9
0
,
p
p
.
15
-
28
,
2
0
1
9
.
[2
0
]
A.
Bo
u
tejd
a
r
,
“
Hig
h
p
e
rfo
rm
a
n
c
e
wid
e
st
o
p
b
a
n
d
lo
w
p
a
ss
fil
ter
u
sin
g
a
v
e
rti
c
a
ll
y
c
o
u
p
led
DG
S
-
DMS
re
so
n
a
to
rs
a
n
d
i
n
terd
i
g
it
a
l
c
a
p
a
c
it
o
r
,
”
M
icr
o
wa
v
e
a
n
d
Op
t
ica
l
T
e
c
h
n
o
l
o
g
y
L
e
t
ter
s
,
v
o
l.
5
6
,
n
o
.
1
,
p
p
.
8
7
-
9
1
,
2
0
1
4
.
[2
1
]
H.
El
fto
u
h
,
“
A
M
icro
wa
v
e
Ba
n
d
sto
p
F
il
ter
Us
in
g
De
fe
c
ted
M
icro
strip
S
tru
c
t
u
re
,”
In
ter
n
a
ti
o
n
a
l
J
o
u
r
n
a
l
o
f
El
e
c
tro
n
ics
a
n
d
C
o
mm
u
n
ica
ti
o
n
En
g
i
n
e
e
rin
g
,
v
o
l.
1
0
,
no
.
5
,
2
0
1
6
.
[2
2
]
A.
Bo
u
tej
d
a
r
,
“
De
sig
n
o
f
C
o
m
p
a
c
tM
o
n
o
p
l
o
e
An
ten
n
a
u
si
n
g
d
o
u
b
le
U
-
DMS
Re
so
n
a
t
o
rs
fo
r
W
LAN,
LT
E
a
n
d
Wi
-
M
AX
Ap
p
l
ica
ti
o
o
n
s,”
T
EL
K
OM
NIKA
(T
e
lec
o
mm
u
n
ic
a
ti
o
n
C
o
mp
u
t
in
g
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l),
v
o
l.
1
5
,
n
o
.
4
,
p
p
.
1
6
9
3
-
1
7
0
0
,
2
0
1
7
.
[2
3
]
L.
Do
n
g
-
sh
e
n
g
,
“
Du
a
l
-
Ba
n
d
Ba
n
d
-
S
to
p
F
il
ter
De
sig
n
Ba
se
d
o
n
S
i
n
g
le
De
fe
c
ted
M
icro
stri
p
S
t
ru
c
tu
re
,
”
IE
EE
3
rd
Ad
v
a
n
c
e
d
In
f
o
rm
a
ti
o
n
T
e
c
h
n
o
l
o
g
y
,
E
lec
tro
n
ic
a
n
d
Au
to
ma
ti
o
n
Co
n
tro
l
Co
n
fer
e
n
c
e
,
2
0
1
8
.
[2
4
]
A.
Be
lma
jd
o
u
b
,
“
S
m
a
ll
In
teg
ra
t
e
d
Ba
n
d
p
a
ss
F
il
ter
u
sin
g
two
id
e
n
ti
c
a
l
c
lo
se
d
Re
c
tan
g
u
lar
Re
so
n
a
to
rs
o
n
a
Ca
p
a
c
it
iv
e
Lo
a
d
f
o
r
W
irele
ss
Co
m
m
u
n
ica
ti
o
n
s
S
y
ste
m
s,”
T
h
e
5
t
h
in
ter
n
a
ti
o
n
a
l
c
o
n
fer
e
n
c
e
o
n
W
ire
les
s
T
e
c
h
n
o
l
o
g
ies
,
e
mb
e
d
d
e
d
a
n
d
in
te
ll
ig
e
n
t
S
y
ste
ms
,
2
0
1
9
.
[2
5
]
A
.
Be
lma
jd
o
u
b
,
“
Co
m
p
a
c
t
S
tr
u
c
tu
re
De
sig
n
o
f
Ba
n
d
P
a
ss
F
il
ter
u
sin
g
Re
c
tan
g
u
lar
Re
s
o
n
a
t
o
r
a
n
d
In
te
g
ra
ted
Ca
p
a
c
it
o
r
fo
r
Wi
re
les
s
Co
m
m
u
n
i
c
a
ti
o
n
s
S
y
ste
m
s
,
”
ICEE
RE
,
L
e
c
t
u
re
No
tes
i
n
El
e
c
trica
l
En
g
i
n
e
e
rin
g
b
o
o
k
se
rie
s
,
v
o
l.
6
8
1
,
p
p
.
97
-
1
0
3
,
2
0
2
0
.
[2
6
]
S.
Ka
rth
ie,
“
F
ra
c
tally
slo
tt
e
d
p
a
tch
re
so
n
a
to
r
b
a
se
d
c
o
m
p
a
c
t
d
u
a
l
-
m
o
d
e
m
icro
strip
b
a
n
d
p
a
ss
fil
te
r
fo
r
Wi
re
les
s L
AN
a
p
p
li
c
a
ti
o
n
s,”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
tro
n
ics
a
n
d
Co
mm
u
n
ica
t
io
n
s (A
EÜ),
v
o
l.
1
0
7
,
p
p
.
2
6
4
-
2
7
4
,
2
0
1
9
.
[2
7
]
M
.
Ba
b
a
jan
z
a
d
e
h
,
“
De
sig
n
o
f
a
Co
m
p
a
c
t
Du
a
l
-
M
o
d
e
Du
a
l
-
Ba
n
d
Ba
n
d
p
a
ss
F
il
ter
Us
in
g
S
t
a
c
k
e
d
-
Lo
o
p
Re
so
n
a
to
rs
S
tru
c
tu
re
,
”
J
o
u
rn
a
l
o
f
Circ
u
i
ts,
S
y
ste
ms
,
a
n
d
C
o
mp
u
ter
s
,
v
o
l.
2
6
,
no
.
1
0
,
2
0
1
7
.
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