CER0687A 768.5 Mhz Duplexer Revision B – Origin Date: May 5, 2009 – Revision Date: July 28, 2011 Features • Low Loss • Low Ripple • High Rejection Description Surface mount, silver (Ag) coated ceramic duplexer. Developed for use in 700 MHz subscriber and infrastructure applications. 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 (S21) Pass band Ilos s Pass band Ripple Pass band Return Los s @ Port 1 Pass band Return Los s @ Port 2 Attenuation High Band Response (S13) Pass band Ilos s Pass band Ripple Pass band Return Los s @ Port 1 Pass band Return Los s @ Port 2 Attenuation Isolation (S23) Rejection @ Low Band Rejection @ High Band Frequency MHz Typical @ 25ºC Specification @ 25ºC Spec over -40ºC to +85ºC 746 746 746 746 776 - 757 757 757 757 787 -2.9 2.1 -11.0 -11.0 -52.0 -3.40 2.40 -10.00 -10.00 -50.00 -3.50 2.50 -10.00 -10.00 -49.00 776 776 776 776 746 - 787 787 787 787 757 -3.2 2.7 -11.0 -11.0 -41.0 -3.40 2.90 -10.00 -10.00 -39.00 -3.80 3.00 -10.00 -10.00 -38.00 746 - 757 776 - 787 -43.0 -53.0 -41.00 -51.00 -40.00 -50.00 Power into any port 3 Watt max 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- CER0687A 768.5 Mhz Duplexer Revision B – Origin Date: May 5, 2009 – Revision Date: July 28, 2011 Mechanical Drawing Dimension Nominal (mm) A B C D E F G H I J K M Electrical response 700 715 730 745 760 21.54 10.30 0.76 1.00 1.00 10.67 10.67 4.00 0.76 11.30 7.95 7.95 Tolerance (mm) +/- Max max 0.13 0.13 0.13 0.13 0.13 max 0.13 max 0.13 0.13 PCB Layout 775 790 805 820 835 850 0 40 -10 30 -20 20 -30 10 -40 0 -50 -10 -60 -20 -70 -30 -80 -40 751.5 781.5 Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS SPECIFICATION 330 2.7 500 mm kg ea. Product Marking CTS 687 YWW Customer Feed Direction Document No. 008-0256-0 Wo Ao Bo Ko Po Inches/mm Inches/mm Inches/mm Inches/mm Inches/mm 2.26/32.0 0.457/11.6 0.86/21.85 0.169/4.3 0.629/16.0 Page 2 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com - 4800 Alameda Blvd. NE – Albuquerque, NM 87113-