KFF6636A
800 Mhz Duplexer
Rev 1 – Origin Date: July 11, 2005 – Revision Date: March 3, 2006
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 and a shield made of
nickel silver plated steel.
Filter complies with RoHS standards.
Electrical Specifications
Frequency
Spec. over
Parameter
(MHz)
Spec. @ 25°C Typical @25°C –30°C to + 85°C
Antenna to TX Response
Pass band Insertion Loss
Pass band Return Loss
Pass band Ripple
Rejection @ RX band
Antenna to RX Response
Pass band Insertion Loss
Pass band Return Loss
Pass band Ripple
Rejection @ TX band
TX to RX Response
Rejection @ RX band
Rejection @ TX band
Power into any port
824 - 849
824 - 849
824 - 849
869 - 894
2.4 dB max
13 dB min
1.5 dB max
43 dB min
2.1 dB
14.7 dB
1.2 dB
45.3 dB
2.6 dB max
12 dB min
1.6 dB max
42 dB min
869 - 894
869 - 894
869 - 894
824 - 849
3.3 dB max
13 dB min
2.0 dB max
58 dB min
2.8 dB
15.3 dB
1.5 dB
60.0 dB
3.5 dB max
12 dB min
2.1 dB max
57 dB min
869 - 894
824 - 849
44 dB min
60 dB min
3.0 Watt max
48.1 dB
62.5 dB
43 dB min
59 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
Return Loss
Stopbands
0.1 dB
1.0 dB
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 -