CER0034A
1900 MHz PCS Duplexer
Document No. 008-0256-0
Page 1 of 2
Rev. X4VH
Features
High Tx Isolation
Low loss
High Rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in PCS
infrastructure and subscriber applications.
Weight: 2.63 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.
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
Electrical Specifications
Parameter
Frequency
(MHz)
Typical
Spec. @ 25C
Spec. over
-40C to +85C
TX to Antenna Response
Passband Insertion Loss
1850 – 1909.4
3.0 dB
3.2 dB max
3.5 dB max
Passband Return Loss
1850 – 1909.4
15.0 dB
10.0 dB min
9.0 dB min
Passband Ripple
1850 – 1909.4
2.2 dB
2.6 dB max
3.0 dB max
Attenuation:
1930.6 – 1990
47.2 dB
45.0 dB min
44.0 dB min
3700 – 3820
18.5 dB
10.0 dB min
Antenna to RX Response
Passband Insertion Loss
1930.6 – 1990
3.4 dB
3.7 dB max
4.0 dB max
Passband Return Loss
1930.6 – 1990
14.0 dB
10.0 dB min
9.0 dB min
Passband Ripple
1930.6 – 1990
2.6 dB
3.0 dB max
3.3 dB max
Attenuation:
1850 – 1909.4
57.5 dB
55.0 dB min
53.0 dB min
2050
13.0 dB
9.0 dB min
TX to RX Response
Rejection @ TX band
1850 – 1909.4
58.1 dB
55.0 dB min
54.0 dB min
Rejection @ RX band
1930.6 – 1990
50.5 dB
46.0 dB min
45.0 dB min
Power into any port
2 Watt max
Rev 1 – Origin Date: July 11, 2005 – Revision Date: March 3, 2006
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
“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.”