CER0286A
1800 MHz DCS Duplexer
Rev 2 – Origin Date: January 2, 2006 – Revision Date: December 13, 2006
Features
• Low loss
• Flat Low Ripple
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in DCS
infrastructure applications.
Weight: 3.0 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)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 2
Passband Return Loss @ Ant
Attenuation
High Band Response (S13)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 3
Passband Return Loss @ Ant
Attenuation
Isolation (S23)
Rejection @ Low Band
Rejection @ High Band
Frequency
MHz
1710 - 1785
1710 - 1785
1710 - 1785
1710 - 1785
1805 - 1880
1805 - 1880
1805 - 1880
1805 - 1880
1805 - 1880
1710 - 1785
1710 - 1785
1805 - 1880
Typical
@ 25ºC
-2.80
1.70
-13.50
-13.50
-42.50
-2.60
1.70
-13.50
-13.50
-42.50
-44.50
-46.00
Specification
@ 25ºC
-3.20
2.20
-10.00
-10.00
-40.00
-3.00
2.20
-10.00
-10.00
-40.00
-42.00
-42.00
Spec over
-40ºC to +85ºC
-3.40
2.30
-10.00
-10.00
-40.00
-3.20
2.30
-10.00
-10.00
-40.00
-42.00
-42.00
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
- 171 Covington Drive - Bloomingdale, IL 60108 -
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