CER0397B
1800 MHz DCS Duplexer
Document No. 008-0256-0 Page 1 of 2 Rev. X4VH
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Features
• Low Loss
• Low Ripple
• High Crossover Rejection
Description
Surface mount, silver (Ag) coated ceramic
Duplexer. Developed for use in 1800 MHz
DCS infrastructure 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.
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
Electrical Specifications
Rev 1 – Origin Date: September 6,2006 – Revision Date: November 27, 2006
•“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.”
Parameter
Frequency
MHz
@ 25ºC
@ 25ºC
-40ºC to +85ºC
Low Band Response (S21)
Passband Iloss 1710 - 1785 -3.20 -3.60 -3.80
Passband Ripple 1710 - 1785 2.30 2.70 2.80
Passband Return Loss @ Port 2 1710 - 1785 -13.50 -10.00 -10.00
Passband Return Loss @ Ant 1710 - 1785 -13.50 -10.00 -10.00
Attenuation 1805 - 1880 -40.00 -37.00 -37.00
High Band Response (S13)
Passband Iloss 1805 - 1880 -3.00 -3.40 -3.60
Passband Ripple 1805 - 1880 1.90 2.30 2.40
Passband Return Loss @ Port 3 1805 - 1880 -13.50 -10.00 -10.00
Passband Return Loss @ Ant 1805 - 1880 -13.50 -10.00 -10.00
Attenuation 1710 - 1785 -56.00 -53.00 -53.00
Isolation (S23)
Rejection @ Low Band 1710 - 1785 -60.00 -55.00 -55.00
Rejection @ High Band 1805 - 1880 -44.00 -40.00 -40.00
Power into any port 3 Watt max
