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DW9256

Description
133MHZ SAW Filter
File Size73KB,4 Pages
ManufacturerMitel
Websitehttps://www.mitel.com
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DW9256 Overview

133MHZ SAW Filter

DW9256
DW9256
133MHZ SAW Filter
Advance Information
DS4026 - 1.5 October 1995
The DW9256 has been designed specifically for the
Personal Communications market, as an IF filter with a centre
frequency of 133MHz. The filter utilises Mitel Semiconductor's
low loss Transversal filter technology based on a Quartz
substrate for excellent temperature stability.
A minimum 3dB passband of ±75kHz is combined with a
high shape factor to give good adjacent channel rejection.
The device is available in a surface mount, ceramic
leadless chip carrier, suited to high volume automated
assembly systems.
FEATURES
s
133MHz Centre Frequency (fo)
s
Low Insertion Loss (7dB maximum)
s
3dB Passband ±75kHz (minimum)
s
Quartz Temperature Stability
s
Low Profile Ceramic LCC Package
ABSOLUTE MAXIMUM RATINGS
DC Voltage
Input Power Max.
VDC
PIN
0V
10dBm
NOMINAL IMPEDANCE
Input:
Output:
520Ω // 20pF
200Ω // 30pF
50Ω TEST BOARD COMPONENTS
Input:
Output:
Series Ind. 180nH, Shunt Ind. 100nH, Shunt Cap. 2.2pF
Shunt Ind. 68nH, Series Ind. 82nH
Components: Coilcraft 1008CS Inductors : Murata 0805 Capacitors
ORDERING INFORMATION
DW9256
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