CER0256B Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated neodymium ceramic Duplexer.

Features
• High rejection
• Low Loss
CER0256B
815/860 MHz Duplexer
Rev 2 – Origin Date: December 16, 2005 – Revision Date: March 3, 2006
Description
Surface mount, silver (Ag) coated ceramic
duplexer.
Weight: 3.9 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
Frequency
Spec. -40ºC to
(MHz)
Typical @ 25ºC Spec. @ 25ºC
+85ºC
Low Band Response
Passband Insertion Loss
Passband Return Loss @ TX
Passband Return Loss @ ANT
806 - 824
806 - 824
806 - 824
2.4 dB
13.5 dB
13.5 dB
2.8 dB max
10.0 dB min
50.0 dB min
3.0 dB max
10.0 dB min
50.0 dB min
Attenuation:
851 - 869
53 dB
50.0 dB min 50.0 dB min
High Band Response
Passband Insertion Loss
Passband Return Loss @ RX
851 - 869
851 - 869
2.5 dB
13.5 dB
2.8 dB max
10.0 dB min
3.0 dB max
10.0 dB min
Passband Return Loss @ ANT
Attenuation:
851 - 869
806 - 824
13.5 dB
53 dB
50.0 dB min
50.0 dB min
50.0 dB min
50.0 dB min
Power into any port
896 - 941
33.0 dB
30.0 dB min
3 Watt max
30.0 dB min
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 -