CER0255B 899/938 MHz Duplexer Rev 2 – Origin Date: August 30, 2005 – Revision Date: March 3, 2006 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. 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: Power into any port Frequency (MHz) Typical @ 25ºC Spec. @ 25ºC Spec. -30ºC to +85ºC 896 - 902 896 - 902 896 - 902 935 - 941 806 - 869 2.5 dB 13.5 dB 13.5 dB 47.0 dB 27.0 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 935 - 941 935 - 941 935 - 941 896 - 902 2.5 dB 13.5 dB 13.5 dB 53.0 dB 2.8 dB max 10.0 dB min 10.0 dB min 50.0 dB min 3 Watt max 3.0 dB max 10.0 dB min 10.0 dB min 50.0 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 - CER0255B 899/938 MHz Duplexer Rev 1 – Origin Date: August 30, 2005 – Revision Date: January 11, 2006 Mechanical Drawing Dim A B C D E F G H I J K L M *N Electrical response 830 855 880 905 Nominal (mm) Tolerance (mm) +/- or max 21.54 max 2.72 7.95 7.95 0.76 1.00 1.00 0.76 9.80 8.90 4.00 0.80 0.20 0.20 0.20 0.13 0.13 0.13 0.13 0.30 0.20 max 0.13 PCB Layout 930 955 980 0 50 -10 40 -20 30 -30 20 -40 10 -50 0 -60 -10 -70 -20 -80 -30 -90 -40 -100 -50 899 938 Packaging and Marking Customer Feed Direction DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS SPECIFICATION 330 mm 2.6 kg 500 ea. Document No. 008-0256-0 Page 2 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -