CER0123A

1900 MHz PCS Duplexer

Document No. 008-0256-0

Page 1 of 2

Rev. X4VH

Features

• Low Loss

• Low Ripple

• High Tx Isolation

Description

Surface mount, silver (Ag) coated ceramic

PCS duplexer. Developed for use in PCS

infrastructure 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. Over

-40ºC to +85ºC

TX to Antenna Response

Passband Insertion Loss

1850 – 1910

2.6 dB

3.2 dB max

Passband Return Loss @ TX

1850 – 1910

13.5 dB

10.0 dB min

Passband Return Loss @ ANT

1850 – 1910

13.5 dB

10.0 dB min

Passband Ripple

1850 – 1910

2.1 dB

2.6 dB max

Attenuation:

1930 – 1990

43.0 dB

40.0dB min

Antenna to RX Response

Passband Insertion Loss

1930 – 1990

2.9 dB

3.55 dB max

Passband Return Loss @ RX

1930 – 1990

13.5 dB

10.0 dB min

Passband Return Loss @ ANT

1930 – 1990

13.5 dB

10.0 dB min

Passband Ripple

1930 – 1990

2.1 dB

2.6 dB max

Attenuation:

1850 – 1910

51.0 dB

48.0 dB min

TX to RX Response

Rejection @ TX band

1850 – 1910

52.5 dB

50.0 dB min

Rejection @ RX band

1930 – 1990

45.0 dB

42.5dB min

Power rating

2 Watts max

Rev 0 – Origin Date: July 11, 2005 – Revision Date: July 11, 2005

•“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.”