CER0395A

1800 MHz DCS Duplexer

Document No. 008-0256-0

Page 1 of 2

Rev. X4VH

Features

•Low loss

• Flat Low Ripple

Description

Surface mount, silver (Ag) coated ceramic

duplexer. Developed for use in DCS

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.

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

Rev 0 – Origin Date: May 18, 2007 – Revision Date: May 18, 2007

•“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.”

Parameter

Frequency MHz

Typical

@ 25ºC

Specification

@ 25ºC

Spec over

-40ºC to +85ºC

Low Band Response (S13)

Passband Iloss

1710 - 1785

-2.80

-3.20

-3.40

Passband Ripple

1710 - 1785

1.70

2.20

2.30

Passband Return Loss @ Port 2

1710 - 1785

-13.50

-10.00

-10.00

Passband Return Loss @ Ant

1710 - 1785

-13.50

-10.00

-10.00

Attenuation

1805 - 1880

-42.50

-40.00

-40.00

High Band Response (S21)

Passband Iloss

1805 - 1880

-2.60

-3.00

-3.20

Passband Ripple

1805 - 1880

1.70

2.20

2.30

Passband Return Loss @ Port 3

1805 - 1880

-13.50

-10.00

-10.00

Passband Return Loss @ Ant

1805 - 1880

-13.50

-10.00

-10.00

Attenuation

1710 - 1785

-42.50

-40.00

-40.00

Isolation (S23)

Rejection @ Low Band

1710 - 1785

-44.50

-42.00

-42.00

Rejection @ High Band

1805 - 1880

-46.00

-42.00

-42.00

Power into any port

3 Watt max