CER0127A
900 MHz EGSM Duplexer
Rev 3 – Origin Date: March 11, 2007 – Revision Date: October 29, 2008
Features
• Extended GSM Band
• Low Loss
• Low Ripple
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in Extended
band GSM applications.
Weight: 3.7 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 (S13)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 2
Passband Return Loss @ Ant
Attenuation
High Band Response (S21)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 3
Passband Return Loss @ Ant
Isolation (S23)
Rejection @ Low Band
Rejection @ High Band
Frequency MHz
880 - 915
880 - 915
880 - 915
880 - 915
540 - 575
710 - 745
925 - 960
925 - 960
925 - 960
925 - 960
880 - 915
925 - 960
Typical
@ 25ºC
-3.50
2.50
-12.00
-12.00
-47.50
-36.00
-3.70
2.60
-13.00
-13.00
-42.00
-37.00
Specification
@ 25ºC
-3.80
2.90
-10.00
-10.00
-45.00
-30.00
-4.00
2.90
-10.00
-10.00
-40.00
-35.00
Spec over
-40ºC to +85ºC
-4.00
3.10
-10.00
-10.00
-45.00
-30.00
-4.20
3.10
-10.00
-10.00
-40.00
-35.00
Power into any port
2 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
Rev. X4VH
- CTS Electronic Components -
www.ctscorp.com
- 171 Covington Drive - Bloomingdale, IL 60108 -
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