CER0126A 1800 MHz DCS Duplexer Features • High Rejection • Low Ripple • Low Loss Description Surface mount, silver (Ag) coated ceramic duplexer. Developed for use in DCS infrastructure applications. Weight: 3.2 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 TX to Antenna Response Passband Insertion Loss Passband Return Loss @ TX Passband Return Loss @ ANT Passband Ripple Attenuation: Antenna to RX Response Passband Insertion Loss Passband Return Loss @ RX Passband Return Loss @ ANT Passband Ripple Attenuation: TX to RX Response Rejection @ TX band Rejection @ RX band Frequency (MHz) Typical @ 25ºC Spec. @ 25ºC Spec. Over -40ºC to +85ºC 1805-1880 1805-1880 1805-1880 1805-1880 902.5-940 2.50 dB 12.6dB 12.5dB 2.48 dB 58.5 dB 3.9 dB max 10.5 dB min 10.5 dB min 2.8 dB max 30.5 min 4.2 dB max 10.0 dB min 10.0 dB min 3.1 dB max 30 dB 1710-1785 1710-1785 1710-1785 1710-1785 1370-1445 3.00 dB 12.1dB 13.0 dB 1.94 dB 52.7 dB 3.95 dB max 10.5 dB min 10.5 dB min 2.8 dB max 50.5 dB min 4.2 dB max 10.0 dB min 10.0 dB min 3.1 dB max 50 dB min 1805-1880 1710-1785 46.5 dB 33.5 dB 40.5 dB 30.5 dB 40 dB min 30 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 Rev. X4VH ٠ CTS Electronic Components ٠ www.ctscorp.com ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ CER0126A 1800 MHz DCS Duplexer Mechanical Drawing 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 7.14 6.03 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 Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS mm kg ea. SPECIFICATION 330 2.3 max 500 Customer Feed Direction Document No. 008-0256-0 Page 2 of 2 Rev. X4VH ٠ CTS Electronic Components ٠ www.ctscorp.com ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠