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All the technical data and information contained herein are subject to change without notice.
P/N DWN.
ESLB-P245BA- [ ] M.Uchida DATA-No.
DATE. 2MT44376
`04- 11- 4
2.4-2.5GHz Band Chip Multilayer Band Pass Filter
ESLB-P245BA-[ ]
BPF with Balun Ver.C
The contents of this document is the property of Hitachi Metals Ltd. and 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 may not be communicated to any other party in any form without the prior written contents of Hitachi Metals Ltd.. written contents of Hitachi Metals Ltd..
CONFIDENTIAL CONFIDENTIAL
Page-No. 1/4
Shape and Size
2. 5
0. 2 0. 4 0. 35 0. 45 2. 1 0. 25
Data-No.2MT44376
Unit (mm)
1. 2 ma x 0. 4 0. 35 0. 45 0. 2

2. 1 0. 25
5 1
BA
6
5 4 1
4
2. 0
2
3
3 6
2
0. 3 ma x
0. 3

1. 2
1: IN (Unbalance) 2: NC (or DC) 3: Out1 (balance) 4: Out2 (balance) 5,6: GND
Specification
Parameter Unit Center Frequency(fo) MHz Passband Width MHz Insertion Loss dB Input Ret.Loss dB Attenuation1 dB (at 824-960MHz) Attenuation2 dB (at 1710-1990MHz) Phase balance deg. Amplitude balance dB Impedance ratio Ohm 2450 fo +/- 50 3.5 max 10 min 50 min 35 min 180 +/- 10 1.0 max 50:50 or 50:100 50:50 50:100
Page-No. 2/4
Foot Pattern
2. 15 0. 15 0. 15 0. 3 0. 4 0. 35 0. 4 0. 3
Unit (mm)
1. 85 2. 55
ESLB-P245BA-1 ESLB-P245BA-2
ESLB-P245BA-1 sample DATA
(Impedance ratio 50:50)
0 Insertion Loss -1 -2 -3 -4 -5 2.35
m7 freq=2.400GHz dB(S(5,4))=-2.613 m8 freq=2.500GHz dB(S(5,4))=-2.050 m8 m7
Data-No.2MT44376
2 Amplitude Balance 1 0 -1 -2 2.35
210 Phase Balance
m5 freq=2.400GHz dB(S(2,1))-dB(S(3,1))=-0.289 m5 m6
200 190 180 170 160
m13 freq=2.400GHz (phase(S(3,1)/S(2,1)*-j)+90)=179.235 m13 m14
m6 freq=2.500GHz dB(S(2,1))-dB(S(3,1))=-0.152
m14 freq=2.500GHz (phase(S(3,1)/S(2,1)*-j)+90)=178.518
2.40
2.45 freq, GHz
2.50
2.55
2.40
2.45 freq, GHz
2.50
2.55
150 2.35
2.40
m17 freq=4.800GHz dB(S(5,4))=-35.114 m23 freq=5.000GHz dB(S(5,4))=-37.283
2.45 freq, GHz
2.50
2.55
50 Return Loss 25 0
m24 m25 m24 freq=2.400GHz dB(S(1,1))=-23.859 m25 freq=2.500GHz dB(S(1,1))=-19.316
m21 freq=820.0MHz dB(S(5,4))=-62.505 m18 freq=960.0MHz dB(S(5,4))=-58.767
m19 freq=1.710GHz dB(S(5,4))=-42.196 m20 freq=1.990GHz dB(S(5,4))=-50.169
m26 freq=7.200GHz dB(S(5,4))=-28.562 m27 freq=7.500GHz dB(S(5,4))=-28.331
0
-10
-25 -50 2.35
-20
m26 m27
Attenuation
2.40
2.45 freq, GHz
2.50
2.55
-30
m17 m23 m19 m20
-40
-50
m18
-60
m21
-70 0.5
1.5
2.5
3.5
4.5 freq, GHz
5.5
6.5
7.5
8.5
Page-No. 3/4
ESLB-P245BA-2 sample DATA
(Impedance ratio 50:100)
0 Insertion Loss -1 -2 -3 -4 -5 2.35
m7 freq=2.400GHz dB(S(5,4))=-2.417 m8 freq=2.500GHz dB(S(5,4))=-2.569 m7 m8
Data-No.2MT44376
2 Amplitude Balance 1 0 -1 -2 2.35
210 Phase Balance
m5 freq=2.400GHz dB(S(2,1))-dB(S(3,1))=-0.375 m5 m6
200 190 180 170 160
m13 freq=2.400GHz (phase(S(3,1)/S(2,1)*-j)+90)=178.552 m13 m14
m6 freq=2.500GHz dB(S(2,1))-dB(S(3,1))=-0.277
m14 freq=2.500GHz (phase(S(3,1)/S(2,1)*-j)+90)=177.546
2.40
2.45 freq, GHz
2.50
2.55
2.40
2.45 freq, GHz
2.50
2.55
150 2.35
2.40
m17 freq=4.800GHz dB(S(5,4))=-35.231 m23 freq=5.000GHz dB(S(5,4))=-36.996
2.45 freq, GHz
2.50
2.55
50 Return Loss 25 0 -25 -50 2.35
m24 freq=2.400GHz dB(S(1,1))=-14.408 m24 m25 freq=2.500GHz dB(S(1,1))=-16.757 m25
m21 freq=820.0MHz dB(S(5,4))=-64.281 m18 freq=960.0MHz dB(S(5,4))=-60.074
m19 freq=1.710GHz dB(S(5,4))=-44.665 m20 freq=1.990GHz dB(S(5,4))=-50.345
m26 freq=7.200GHz dB(S(5,4))=-25.833 m27 freq=7.500GHz dB(S(5,4))=-26.579
0
-10
-20
m26 m27
Attenuation
2.40
2.45 freq, GHz
2.50
2.55
-30
m17 m23 m19 m20
-40
-50
m18 m21
-60
-70 0.5
1.5
2.5
3.5
4.5 freq, GHz
5.5
6.5
7.5
8.5
Page-No. 4/4

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