Data Sheet

CER0574A
900 MHz Duplexer
Rev B – Origin Date: December 3, 2007 – Revision Date: July 28, 2011
Features
• Extended pass band
• Low loss
• High rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in GSM
Infrastructure applications.
Weight: Approximately 30.0 grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
nickel silver 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 @ Crossover
Rejection @ High Band
Max Power into any port
Frequency
MHz
Typical
@ 25ºC
Specification Spec over
@ 25ºC
40ºC to +85ºC
885 - 909
885 - 909
885 - 909
885 - 909
0.1 - 715
930 - 954
-1.80
0.80
-15.5
-15.5
-38.0
-58.0
-2.10
1.00
-14.0
-14.0
-35.0
-55.0
-2.30
1.20
-14.0
-14.0
-35.0
-55.0
930 - 954
930 - 954
930 - 954
930 - 954
0.1 - 760
885 - 909
-1.50
0.65
-15.5
-15.5
-38.0
-58.0
-2.10
1.00
-14.0
-14.0
-35.0
-55.0
-2.30
1.20
-14.0
-14.0
-35.0
-55.0
885 - 909
919.5
930 - 954
-63.0
-46.0
-68.0
10 Watt
-60.0
-42.0
-65.0
-60.0
-42.0
-65.0
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
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com - 4800 Alameda Blvd. NE – Albuquerque, NM 87113-
CER0574A
900 MHz Duplexer
Rev B – Origin Date: December 3, 2007 – Revision Date: July 28, 2011
Mechanical Drawing
Dim
897
ANT
A
B
C
D
E
F
G
H
I
J
K
L
M
N
942
Nominal Tolerance (mm)
(mm)
+/- or max
60.85
max
6.1
27.82
19.49
2.03
1.27
1.27
2.03
13.43
11.1
8.0
2.2
0.25
0.13
0.13
0.13
0.13
0.13
0.13
max
Max
max
0.13
PCB Layout
942
Packaging and Marking
ANT
897
Electrical response
Product is shipped in preformed foam trays
5 Trays containing 12 slots with 2 filters per
slot. 5 Trays per box. Total 120 filters per box
Part Marking: CTS 574 YWW
Document No. 008-0256-0
Page 2 of 2
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com - 4800 Alameda Blvd. NE – Albuquerque, NM 87113-
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