CER0121A Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated ceramic duplexer

Features
• Low loss
• Flat Low Ripple
• High Rejection
CER0121A
2100 MHz W-CDMA Duplexer
Rev 2 – Origin Date: July 11, 2005 – Revision Date: March 3, 2006
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in W-CDMA
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
High Band Response (S21)
Passband Insertion Loss
Passband Return Loss @ S22
Passband Return Loss @ ANT
Passband Ripple
Attenuation:
Low Band Response (S13)
Passband Insertion Loss
Passband Return Loss @ S33
Passband Return Loss @ ANT
Passband Ripple
Attenuation:
Isolation
Rejection @ High band
Rejection @ Low band
Power into any port
Spec. Over
Frequency (MHz) Typical @ 25ºC Spec. @ 25ºC -40ºC to +85ºC
2110-2170
2110-2170
2110-2170
2110-2170
1920-1980
1.09 dB
18.0dB
19.0 dB
0.05
61.3 dB
1.3 dB max
12.5 dB min
12.5 dB min
0.60 dB max
55.5 min
1.50 dB max
12.0 dB min
12.0 dB min
0.80 dB max
55.0 dB min
1920-1980
1920-1980
1920-1980
1920-1980
2110-2170
0.91 dB
17.0dB
18.0 dB
0.05 dB
56.8 dB
1.3 dB max
12.5 dB min
12.5 dB min
0.60 dB max
55.5 dB min
1.5 dB max
12.0 dB min
12.0 dB min
0.80 dB max
55 dB min
2110-2170
1920-1980
58 dB
55.5 dB min
65 dB
55.5 dB min
5 Watt max
55 dB min
55 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
•“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 -