CER0397B Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated ceramic duplexer.

Features
• Low Loss
• Low Ripple
• High Crossover Rejection
CER0397B
1800 MHz DCS Duplexer
Rev 1 – Origin Date: September 6,2006 – Revision Date: November 27, 2006
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.
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
Power into any port
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
Specification Spec over
@ 25ºC
-40ºC to +85ºC
-3.20
2.30
-13.50
-13.50
-40.00
-3.60
2.70
-10.00
-10.00
-37.00
-3.80
2.80
-10.00
-10.00
-37.00
-3.00
1.90
-13.50
-13.50
-56.00
-3.40
2.30
-10.00
-10.00
-53.00
-3.60
2.40
-10.00
-10.00
-53.00
-60.00
-44.00
3 Watt max
-55.00
-40.00
-55.00
-40.00
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 -