CER0238B
902.5 Mhz GSM BPF
Rev 1 – Origin Date: August 9, 2005 – Revision Date: August 15, 2005
Features
• Low Loss
• Low Ripple
• High Rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in 800 MHz
subscriber and infrastructure applications.
Weight: 3.9 grams typical
Material: Filter is composed of a ceramic
block plated with Ag.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Pass band Insertion Loss
Pass band Ripple
Pass band Return Loss
Rejection
Power into any port
Frequency
(MHz)
890-915
890-915
890-915
935-960
870
Typical @25°C
3.0 dB
0.6 dB
13.0 dB
53.0 dB
30.0 dB
Spec. @ 25°C
3.3 dB
0.9 dB
10.0 dB
50.0 dB
10.0 dB
5.0 Watt max
Spec. over
–40°C to + 85°C
3.5 dB
1.0 dB
10.0 dB
50.0 dB
10.0 dB
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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