CER0276A 900 MHZ Duplexer Rev 2 – Origin Date: October 28, 2005 – Revision Date: November 29, 2005 Features • Low Insertion Loss • Low Ripple • Excellent Rejection and Isolation Description Surface mount, silver (Ag) coated ceramic duplexer. Developed for use in 800 MHz EGSM Infrastructure Applications. Weight: 12.25 grams typical Material: Filter is composed of a ceramic block plated with Ag and a shield made of Sn plated steel. Filter complies with RoHS standards. Electrical Specifications Parameter Low Band Response (S13) Passband Insertion Loss Passband Ripple Passband Return Loss @ S13 Passband Return Loss @ S31 Attenuation: High Band Response (S21) Passband Insertion Loss Passband Ripple Passband Return Loss @ S21 Passband Return Loss @ S12 Attenuation: Isolation Response (S23) Rejection @ Low Band Rejection @ High band Power into Any port Frequency (MHz) Typical @ 25ºC Spec. @ 25ºC Spec. over -40ºC to +85ºC 880 - 915 880 - 915 880 - 915 880 - 915 925 - 960 2.2 dB max 1.6 dB max 12.5 dB min 12.5 dB min 38 dB min 2.5 dB max 1.9 dB max 10 dB min 10 dB min 35 dB min 2.7 dB max 2.0 dB max 10 dB min 10 dB min 35 dB min 925 - 960 925 - 960 925 - 960 925 - 960 880 - 915 2.2 dB max 1.2 dB max 13 dB min 13 dB min 41 dB min 2.5 dB max 1.5 dB max 11 dB min 11 dB min 38 dB min 2.7 dB max 1.6 dB max 11 dB min 11 dB min 38 dB min 880 - 915 925 - 960 43 dB min 40 dB min 6 Watt max 40 dB min 37 dB min 40 dB min 37 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 Document No. 008-0256-0 Page 1 of 2 - CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 - Rev. X4VH CER0276A 900 MHZ Duplexer Mechanical Drawing Rev 2 – Origin Date: October 28, 2005 – Revision Date: November 29, 2005 Dim Nominal Tolerance (mm) (mm) +/- or max A B C D E F G H I J K L M N O P Q R S max 5.02 9.67 13.86 2.03 0.64 0.64 2.03 13.70 12.67 6.50 0.89 2.79 2.29 0.64 0.55 2.79 0.25 0.13 0.13 0.13 0.13 0.13 0.13 max max max 0.13 0.13 0.13 0.13 0.13 0.13 2.50 2.83 4.46 5.50 7.13 8.04 16.00 16.31 17.94 18.16 19.53 19.74 21.38 22.53 25.53 26.36 28.00 29.03 30.66 31.03 33.53 PCB Layout 0.00 Electrical Response 33.80 -0.50 -0.20 0.00 1.53 2.29 3.50 4.67 RX TX 942 897 ANT 7.67 9.67 31.53 33.53 21.53 22.53 11.00 12.00 0.00 2.00 12.67 13.17 Filter Outline Exposed Conductor Solder Resist Over Dielectric Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY Solder Resist Over Conductor UNITS SPECIFICATION mm 330 kg 3.8 ea. 250 Customer Feed Direction CTS 207 YWW Document No. 008-0256-0 Page 2 of 2 - CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 - Rev. X4VH