2.4-2.5GHz Band
Chip Multilayer Band Pass Filter
ESLB-P245BB-[ ]
BPF with Balun
Ver.D
Page 1/4
DATE.
DATA-No.
P/N
'04- 11- 4
ESLB-P245BB
DWN.
M.Uchida
2MT44375
CONFIDENTIAL
The contents of this document is the property of Hitachi Metals Ltd. and
may not be communicated to any other party in any form without the prior
written contents of Hitachi Metals Ltd..
CONFIDENTIAL
The contents of this document is the property of Hitachi Metals Ltd. and
may not be communicated to any other party in any form without the prior
written contents of Hitachi Metals Ltd..
All the technical data and information contained
herein are subject to change without notice.
0. 2
2. 1
0
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3
5
0
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4
5
0
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2
5
0
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4
0. 3
4
3
1
2
5
6
1 . 2 ma x
0. 2
2. 1
0
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3
5
0
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4
5
0
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2
5
0
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4
0. 3
1
2
4
3
5
6
2. 5
2
.
0
1
.
2
m
a
x
Specification
Foot Pattern
Shape and Size
Unit (mm)
Unit (mm)
1: IN (Unbalance)
2: NC (or DC)
3: Out1 (balance)
4: Out2 (balance)
5,6: GND
<TOP>
<SIDE>
<BOTTOM>
<SIDE>
0
.
3
0
.
4
0
.
3
5
0
.
4
0
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3
0
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1
5
0
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1
5
2. 15
1. 85
2. 55
B
Page 2/4
Data-No.2MT44375
Parameter
Unit
Center Frequency(fo) MHz
2450
Passband Width
MHz
fo +/- 50
Insertion Loss
dB
3.0 max
Input Ret.Loss
dB
9.0 min
Attenuation1
dB
45 min
(at 824-960MHz)
Attenuation2
dB
30 min
(at 1710-1990MHz)
Phase balance
deg.
180 +/- 10
Amplitude balance
dB
1.0 max
Impedance ratio
Ohm
50:50
or
50:100
50:50
50:100
ESLB-P245BB-1
ESLB-P245BB-2
ESLB-P245BB-1 Ver.D sample DATA
(Impedance ratio 50:50)
Page 3/4
m7
freq=2.400GHz
dB(S(5,4))=-1.959
m8
freq=2.500GHz
dB(S(5,4))=-1.677
2.40
2.45
2.50
2.35
2.55
-4
-3
-2
-1
-5
0
freq, GHz
Insertion Loss
m7
m8
m5
freq=2.400GHz
dB(S(2,1))-dB(S(3,1))=-0.191
m6
freq=2.500GHz
dB(S(2,1))-dB(S(3,1))=-0.187
2.40
2.45
2.50
2.35
2.55
-1
0
1
-2
2
freq, GHz
Amplitude Balance
m5
m6
m24
freq=2.400GHz
dB(S(1,1))=-16.159
m25
freq=2.500GHz
dB(S(1,1))=-30.031
2.40
2.45
2.50
2.35
2.55
-25
0
25
-50
50
freq, GHz
Return Loss
m24
m25
m13
freq=2.400GHz
(phase(S(3,1)/S(2,1)*-j)+90)=180.198
m14
freq=2.500GHz
(phase(S(3,1)/S(2,1)*-j)+90)=179.438
2.40
2.45
2.50
2.35
2.55
160
170
180
190
200
150
210
freq, GHz
Phase Balance
m13
m14
m17
freq=4.800GHz
dB(S(5,4))=-31.959
m18
freq=960.0MHz
dB(S(5,4))=-50.023
m19
freq=1.710GHz
dB(S(5,4))=-46.587
m20
freq=1.990GHz
dB(S(5,4))=-40.700
m21
freq=820.0MHz
dB(S(5,4))=-53.673
m23
freq=5.000GHz
dB(S(5,4))=-33.901
m26
freq=7.200GHz
dB(S(5,4))=-27.814
m27
freq=7.500GHz
dB(S(5,4))=-27.015
1.5
2.5
3.5
4.5
5.5
6.5
7.5
0.5
8.5
-60
-50
-40
-30
-20
-10
-70
0
freq, GHz
Attenuation
m17
m18
m19
m20
m21
m23
m26 m27
Data-No.2MT44375
ESLB-P245BB-2 Ver.D sample DATA
(Impedance ratio 50:100)
Page 4/4
m7
freq=2.400GHz
dB(S(5,4))=-2.057
m8
freq=2.500GHz
dB(S(5,4))=-2.388
2.40
2.45
2.50
2.35
2.55
-4
-3
-2
-1
-5
0
freq, GHz
Insertion Loss
m7
m8
m5
freq=2.400GHz
dB(S(2,1))-dB(S(3,1))=-0.130
m6
freq=2.500GHz
dB(S(2,1))-dB(S(3,1))=-0.189
2.40
2.45
2.50
2.35
2.55
-1
0
1
-2
2
freq, GHz
Amplitude Balance
m5
m6
m13
freq=2.400GHz
(phase(S(3,1)/S(2,1)*-j)+90)=180.059
m14
freq=2.500GHz
(phase(S(3,1)/S(2,1)*-j)+90)=179.016
2.40
2.45
2.50
2.35
2.55
160
170
180
190
200
150
210
freq, GHz
Phase Balance
m13
m14
m24
freq=2.400GHz
dB(S(1,1))=-14.541
m25
freq=2.500GHz
dB(S(1,1))=-13.697
2.40
2.45
2.50
2.35
2.55
-25
0
25
-50
50
freq, GHz
Return Loss
m24
m25
m17
freq=4.800GHz
dB(S(5,4))=-32.078
m18
freq=960.0MHz
dB(S(5,4))=-51.348
m19
freq=1.710GHz
dB(S(5,4))=-49.099
m20
freq=1.990GHz
dB(S(5,4))=-41.001
m21
freq=820.0MHz
dB(S(5,4))=-55.474
m23
freq=5.000GHz
dB(S(5,4))=-33.613
m26
freq=7.200GHz
dB(S(5,4))=-25.034
m27
freq=7.500GHz
dB(S(5,4))=-25.006
1.5
2.5
3.5
4.5
5.5
6.5
7.5
0.5
8.5
-60
-50
-40
-30
-20
-10
-70
0
freq, GHz
Attenuation
m17
m18
m19
m20
m21
m23
m26 m27
Data-No.2MT44375
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