CER0781A 1958.75 MHz Duplexer Revision B – Origin Date: March 5, 2010 – Revision Date: July 11, 2011 Features • High Rejection • Low Ripple • Low Loss Description Surface mount, silver (Ag) coated ceramic duplexer. Developed for use in TDS-CDMA infrastructure applications. Weight: 3.7 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 Ripple Passband Return Loss @ Ant Passband Return Loss @ Low Band Attenuation High Band Response Passband Insertion Loss Passband Ripple Passband Return Loss @ Ant Passband Return Loss @ High Band Attenuation: Isolation Rejection @ Low band Rejection @ High band Power into any port Frequency (MHz) Typical @ 25ºC Spec. @ 25ºC Spec. Over -40ºC to +85ºC 1880 - 1920 1880 - 1920 1880 - 1920 1880 - 1920 0.1 - 1200 1200 - 1840 1840 - 1860 1940 - 1960 1960 - 2000 2000 - 2010 2010 - 2025 2025 - 2700 -2.4 0.9 -16.0 -16.0 -48.0 -32.0 -18.0 -27.0 -34.0 -47.0 -49.0 -37.0 -3.2 1.0 -14.0 -14.0 -38.0 -30.0 -16.0 -16.0 -25.0 -35.0 -45.0 -25.0 -3.5 1.2 -14.0 -14.0 -38.0 -30.0 -16.0 -16.0 -25.0 -35.0 -45.0 -25.0 2010 - 2025 2010 - 2025 2010 - 2025 2010 - 2025 0.1 - 1880 1880 - 1920 1920 - 1930 1930 - 1970 1970 - 1990 2045 - 2065 2065 - 2170 2170 - 2700 -2.4 0.4 -16.0 -16.0 -48.0 -58.0 -54.0 -34.0 -19.0 -19.0 -37.0 -42.0 -3.2 1.0 -14.0 -14.0 -43.0 -50.0 -43.0 -30.0 -16.0 -16.0 -33.0 -38.0 -3.5 1.2 -14.0 -14.0 -43.0 -50.0 -43.0 -30.0 -16.0 -16.0 -33.0 -38.0 1880 - 1920 2010 - 2025 -51.0 -46.0 -50.0 -45.0 2 Watts max -50.0 -45.0 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 - 4800 Alameda Blvd. NE – Albuquerque, NM 87113- CER0781A 1958.75 MHz Duplexer Revision B – Origin Date: March 5, 2010 – Revision Date: July 11, 2011 Mechanical Drawing ANT 1900 2017.5 Electrical response Dim Nominal (mm) A B C D E F G H I J K L M N 0.25 24.04 Tolerance (mm) +/- or max 0.25 max 2.72 7.44 10.52 1.02 0.79 0.79 0.89 6.79 5.80 4.60 0.84 0.25 0.13 0.13 0.13 0.13 0.13 0.13 max max max 0.13 PCB Layout 1200 1400 1600 1800 2000 2200 2400 2600 2800 0 40 -10 30 -20 20 -30 10 -40 0 -50 -10 -60 -20 -70 -30 -80 -40 2017.5 ANT 1900 Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS mm kg ea. SPECIFICATION 330 2.3 500 Customer Feed Direction Wo Ao Bo Ko Po Inches/mm Inches/mm Inches/mm Inches/mm Inches/mm 1.732" / 44.0 0.271" / 6.88 0.974" / 24.74 0.195" / 4.95 0.472" / 12.0 Document No. 008-0256-0 Page 2 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com - 4800 Alameda Blvd. NE – Albuquerque, NM 87113-