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CER0821B Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated neodymium ceramic filter.
Features
• Low Loss
• High Rejection
• Excellent Return Loss
CER0821B
2140 MHz BPF
Revision A – Origin Date: July 28, 2011 – Revision Date: July 28, 2011
Description
Surface mount, silver (Ag) coated
neodymium ceramic filter. Developed for
use in 880 MHz infrastructure applications.
Weight: 2.6 grams typical
Material: Filter is composed of a ceramic
block plated with Ag.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Frequency
MHz
Typical
@ 25ºC
Specification Spec over
@ 25ºC
-40ºC to +85ºC
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
Power into any port
2070 - 2210
2070 - 2210
2070 - 2210
2070 - 2210
1 - 1600
1600 - 1900
1920 - 1980
1980 - 2031
2250 - 2300
2300 - 2450
2450 - 2600
2600 - 3000
-1.8
0.8
-16.0
-16.0
-52.0
-47.0
-35.0
-16.3
-16.8
-43.0
-41.0
-34.0
1 Watt max
-2.3
1.1
-14.0
-14.0
-48.0
-40.0
-25.0
-15.0
-15.0
-20.0
-35.0
-28.0
-2.5
1.2
-14.0
-14.0
-48.0
-40.0
-25.0
-15.0
-15.0
-20.0
-35.0
-28.0
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 – 4800 Alameda Blvd NE, Albuquerque, NM 87114 -