CER0080B
1600 MHz InMarSat Duplexer
Document No. 008-0256-0
Page 1 of 2
Rev. X4VH
Features
• Low Loss
• Low Ripple
• High Rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in InMarSat
Infrastructure applications.
Weight: 22.1 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.
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
Electrical Specifications
Parameter
Frequency
(MHz)
Typical @
25ºC
Spec. @
25ºC
Spec. over
-40ºC to +85ºC
TX to Antenna Response
Passband Insertion Loss 1626.5-1660.5 0.75 dB 0.9 dB max 1.0 dB max
Passband Ripple 1626.5-1660.5 0.2 dB 0.5 dB max 0.6 dB max
Passband Return Loss @ TX 1626.5-1660.5 14.5 dB 10.0 dB min 10.0 dB min
Attenuation: 1525-1559 64.2 dB 60.0 dB min 60.0 dB min
Antenna to RX Response
Passband Insertion Loss 1525-1559 0.75 dB 0.9 dB max 1.0 dB max
Passband Ripple 1525-1559 0.15 dB 0.5 dB max 0.6 dB max
Passband Return Loss @ ANT 1525-1559 19.5 dB 10.0 dB min 10.0 dB min
Attenuation: 1626.5-1660.5 66.2 dB 65.0 dB min 65.0 dB min
TX to RX Response
Rejection @ TX 1626.5-1660.5 68.0 dB 65.0 dB min 65.0 dB min
Rejection @ RX 1525-1559 63.0 dB 60.0 dB min 60.0 dB min
Power into any port
5 Watt max
Rev 4 – Origin Date: July 11, 2005 – Revision Date: March 3, 2006
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
•“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.”
