CER0438A 3425/3525 MHz Duplexer Rev 1 – Origin Date: August 7, 2006 – Revision Date: August 14, 2006 Features • Low Loss • High Rejection • Low Ripple Description Surface mount, silver (Ag) coated ceramic duplexer designed for broadband applications. Weight: 3.3 grams typical Material: Filter is composed of a ceramic block coated with Ag and a shield made of nickel silver plated steel. Filter complies with RoHS standards. Electrical Specifications Parameter Low Band Response (S12) Passband Iloss Passband Ripple Passband Return Loss @ Port 1 Passband Return Loss @ Port 2 Attenuation High Band Response (S31) Passband Iloss Passband Ripple Passband Return Loss @ Port 1 Passband Return Loss @ Port 3 Attenuation Isolation (S23) Rejection @ Low Band Rejection @ High Band Power into any port Frequency MHz Typical @ 25ºC Specification @ 25ºC Spec over -30ºC to +80ºC 3400 - 3450 3400 - 3450 3400 - 3450 3400 - 3450 3350 3500 - 3550 -2.40 0.90 -12.50 -12.50 -33.00 -51.00 -2.60 1.30 -10.00 -10.00 -30.00 -48.00 -3.00 1.50 -10.00 -10.00 -30.00 -48.00 3500 - 3550 3500 - 3550 3500 - 3550 3500 - 3550 3400 - 3450 3625 -2.40 1.00 -12.50 -12.50 -53.00 -31.00 -2.60 1.30 -10.00 -10.00 -50.00 -28.00 -3.00 1.50 -10.00 -10.00 -50.00 -28.00 3400 - 3450 3500 - 3550 -58.00 -53.00 -55.00 -50.00 -55.00 -50.00 2 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 Document No. 008-0256-0 Page 1 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 - CER0438A 3425/3525 MHz Duplexer Rev 1 – Origin Date: August 7, 2006 – Revision Date: August 14, 2006 Mechanical Drawing 3525 3425 Electrical response Dim Nominal (mm) A B C D E F G H I J K L 28.63 5.36 1.02 0.51 0.69 10.39 10.21 4.96 1.02 1.07 6.56 0.66 Tolerance (mm) +/- or max max max 0.13 0.13 0.13 0.13 0.13 max 0.13 0.13 max 0.13 PCB Layout 3425 ANT 3525 Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS SPECIFICATION mm kg ea. 330 2.5 500 Customer Feed Direction Document No. 008-0256-0 Page 2 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -