CER0254B Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated neodymium ceramic uplexer.

Features
• High Rejection
• Low Loss
Description
Surface mount, silver (Ag) coated
neodymium 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.
CER0254B
815/860 MHz Duplexer
Rev 3 – Origin Date: August 30, 2005 – Revision Date: March 3, 2006
Electrical Specifications
Parameter
Low Band Response
Passband Insertion Loss
Passband Return Loss @ TX
Passband Return Loss @ ANT
Attenuation:
High Band Response
Passband Insertion Loss
Passband Return Loss @ RX
Passband Return Loss @ ANT
Attenuation:
TX _ RX Response
Isolation at Low Band
Isolation at High Band
Power into any port
Frequency
Spec. -40ºC to
(MHz)
Typical @ 25ºC Spec. @ 25ºC
+85ºC
806 - 824
806 - 824
806 - 824
851 - 869
2.4 dB
13.5 dB
13.5 dB
53 dB
2.8 dB max
10.0 dB min
10.0 dB min
50.0 dB min
3.0 dB max
10.0 dB min
10.0 dB min
50.0 dB min
851 - 869
851 - 869
851 - 869
806 - 824
896 - 941
2.5 dB
13.5 dB
13.5 dB
48 dB
28.0 dB
2.8 dB max
10.0 dB min
10.0 dB min
45.0 dB min
25.0 dB min
3.0 dB max
10.0 dB min
10.0 dB min
45.0 dB min
25.0 dB min
806 - 824
851 - 869
50 dB
54 dB
48.0 dB min
52.0 dB min
3 Watt max
48.0 dB min
52.0 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 -