CER0645A
1593 MHz Duplexer
Features
• Low Insertion loss
• High rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer.
Weight: Approximately TBD grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
tin plated steel.
Filter complies with RoHS standards.
Revision B – Origin Date: December 7, 2009 – Revision Date: July 27, 2011
Electrical Specifications
Parameter
Low Band Response
Passband Iloss
Passband Ripple
Passband Return Loss
Passband Return Loss
Attenuation
High Band Response
Passband Iloss
Passband Ripple
Passband Return Loss
Passband Return Loss
Attenuation
Isolation
Rejection @ Low Band
Rejection @ High Band
Power Into any Port
Frequency
MHz
1525 - 1559
1525 - 1559
1525 - 1559
1525 - 1559
1626.5 - 1660.6
1626.5 - 1660.6
1626.5 - 1660.6
1626.5 - 1660.6
1626.5 - 1660.6
1525 - 1559
2761 - 2890
1626.5 - 1660.6
1525 - 1559
Typical
@ 25ºC
-1.60
0.60
-17.00
-17.00
-62.00
-1.70
0.60
-17.00
-17.00
-62.00
-21.50
-62.00
-62.00
3 Watt max
Specification
Spec over
@ 25ºC
-40ºC to +85ºC
-1.85
0.90
-15.00
-15.00
-55.00
-2.05
0.90
-15.00
-15.00
-60.00
-20.00
-60.00
-55.00
-2.00
1.00
-15.00
-15.00
-55.00
-2.20
1.00
-15.00
-15.00
-60.00
-20.00
-60.00
-55.00
@ Port 1
@ Port 2
@ Port 1
@ Port 2
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
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