Data Sheet

CER0472B
900 MHZ Duplexer
Rev 1 – Origin Date: October 6, 2006 – Revision Date: March 15, 2007
Features
• Low Insertion Loss
• Low Ripple
• Excellent Rejection and Isolation
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in 900 MHz
Infrastructure Applications.
Weight: 12.0 grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
Sn plated steel.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Low Band Response (S21)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 2
Passband Return Loss @ Ant
Attenuation
High Band Response (S13)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 3
Passband Return Loss @ Ant
Attenuation
Isolation (S23)
Rejection @ Low Band
Rejection @ High Band
Frequency
MHz
Typical
@ 25ºC
Specification
@ 25ºC
Spec over
-40ºC to +85ºC
890 - 915
890 - 915
890 - 915
890 - 915
870
935 - 960
-1.80
0.80
-15.30
-14.40
-21.00
-55.90
-2.20
1.30
-12.00
-12.00
-18.00
-52.00
-2.40
1.40
-12.00
-12.00
-18.00
-52.00
935 - 960
935 - 960
935 - 960
935 - 960
890 - 915
-1.80
0.80
-15.10
-14.80
-56.90
-2.20
1.30
-12.00
-12.00
-52.00
-2.40
1.40
-12.00
-12.00
-52.00
890 - 915
935 - 960
-61.00
-60.00
-55.00
-55.00
-55.00
-55.00
Power into any port
6 Watt max
Note: Supplier shall test each filter to the critical electrical specifications of the above table. Any subsequent audits may deviate from in value due to measurement
repeatability among different test systems. Such deviations shall not exceed the following limits:
Specification Allowance
Insertion Loss
0.1 dB
Return Loss
1.0 dB
Stopbands
1.0 dB
•“This product is covered by one or more of the following U.S. and foreign patents including: US 4,692,726;US 4,742,562; US 4,800,348;US 4,829,274;US 5,146,193;EP 0573597;DE 0573597;FR 0573597;JP 508149/92;KR 142171;US 5,162,760;US
5,218,329;US 5,250,916;US 5,327,109;US 5,488,335;CA 2114029;FR 9306297;GB 2273393;JP 3205337;KR 115113;CN 93106228.4;US 5,512,866;EP 0706719;DE 0706719;FR 0706719;GB 0706719;CN 95190359.4;US 5,602,518;US
5,721,520;US 5,745,018;EP 0910875;DE 0910875;DK 0910875;FR 0910875;GB 0910875;IE 0910875;JP 505182/98;KR 10-323013;US 5,994,978;US 6,462,629;CN 00810420.4;US 6,559,735;US 6,650,202;US 6,834,429.Other US and foreign
patents pending.
•CTS Corporation 2006 reserves all copyrights in the layout, design and configuration of the patterns on this product.”
Document No. 008-0256-0
Page 1 of 2
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Rev. X4VH
CER0472B
900 MHZ Duplexer
Rev 1 – Origin Date: October 6, 2006 – Revision Date: March 15, 2007
Mechanical Drawing
Dimension Nominal (mm)
897
A
B
C
D
E
F
G
H
I
J
K
M
942
Electrical Response
825
850
875
900
925
950
975
33.73
13.08
1.63
0.86
0.86
16.87
16.87
6.56
1.63
14.00
11.79
11.79
Tolerance (mm) +/-
0.27
max
0.13
0.13
0.13
0.13
0.13
max
0.13
max
0.13
0.13
PCB Layout
1000 1025
0
40
-10
30
-20
20
-30
10
-40
0
-50
-10
-60
-20
-70
-30
-80
-40
942
897
Packaging and Marking
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
UNITS SPECIFICATION
330
mm
3.8
kg
250
ea.
Customer Feed Direction
Product Marking
CTS
72B
YWW
Document No. 008-0256-0
CTS
207
YWW
Page 2 of 2
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Rev. X4VH
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