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DW9274
ELECTRICAL SPECIFICATION @25
C
Parameter
Spec
Typ
Units
Nominal Frequency (fo)
92.025
92.025
MHz
Passband
Insertion Loss (IL)
4 Max
3
dB
3dB Bandwidth
30 Min
63
kHz
Ripple (fo
15kHz)
1 Max
0.5
dB
Group Delay (fo
15kHz)
-
<4
s
Stopband
fo
50kHz
5
7
dB
fo
100kHz
35
40
dB
fo+200kHz to fo +500kHz
25
45
dB
fo+500kHz to fo +1000kHz
40
55
dB
fo-300kHz to fo -900kHz
60
70
dB
fo-900kHz to fo -920kHz
70
75
dB
fo-920kHz to fo -1000kHz
60
70
dB
Maximum Input Level
0
-
dB
Operating Temperature Range
-10 to +65
C
Package
12 Lead Ceramic LCC 13.6 x 6.8 x 1.93mm (Max).
Terminating Impedance
850
//-2pf
The DW9274 SAW filter is a Quartz based device offering
narrow band, highly selective performance with excellent
temperature stability characteristics, which make it an ideal
choice for E-TACs cellular mobile phone requirements.
The device is available in a Surface Mount leadless,
ceramic chip carrier suitable for high volume, automated
assembly systems.
FEATURES
s
92.025MHz Centre Frequency (fo)
s
Insertion Loss 3dB (Typ)
s
3dB Bandwidth 30kHz (Min)
s
Quartz Temperature Stability
s
Low Profile Ceramic SMT Package
ABSOLUTE MAXIMUM RATINGS
DC Voltage VDV
0V
Maximum Input Level
0dBm
ORDERING INFORMATION
Order as: DW9274
Fig. Pin connections
INPUT
GND
OUTPUT
GND
GND
GND
GND
GND
GND
GND
GND
GND
2
1
3
4
5
6
12
11
10
9
7
8
DW9274
LCS12/2
DW9274
92.025MHz IF SAW Filter
Replaces January 2000 version, DS4082-20
DS4082-2.1 July 2002
www.dynexsemi.com
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Tel: +44 (0)1522 502753 / 502901. Fax: +44 (0)1522 500020
SALES OFFICE
Tel: +44 (0)1522 502724. Fax: +44 (0)1522 502777
These offices are supported by Representatives and Distributors in many countries world-wide.
Dynex Semiconductor 2002 TECHNICAL DOCUMENTATION NOT FOR RESALE. PRODUCED IN
UNITED KINGDOM
HEADQUARTERS OPERATIONS
DYNEX SEMICONDUCTOR LTD
Doddington Road, Lincoln.
Lincolnshire. LN6 3LF. United Kingdom.
Tel: +44-(0)1522-500500
Fax: +44-(0)1522-500550
This publication is issued to provide information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded
as a representation relating to the products or services concerned. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. The Company
reserves the right to alter without prior notice the specification, design or price of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee
that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure
that any publication or data used is up to date and has not been superseded. These products are not suitable for use in any medical products whose failure to perform may result in significant injury
or death to the user. All products and materials are sold and services provided subject to the Company's conditions of sale, which are available on request.
All brand names and product names used in this publication are trademarks, registered trademarks or trade names of their respective owners.
http://www.dynexsemi.com
e-mail: space_comms@dynexsemi.com
Datasheet Annotations:
Dynex Semiconductor annotate datasheets in the top right hard corner of the front page, to indicate product status. The annotations are as follows:-
Target Information: This is the most tentative form of information and represents a very preliminary specification. No actual design work on the product has been started.
Preliminary Information: The product is in design and development. The datasheet represents the product as it is understood but details may change.
Advance Information: The product design is complete and final characterisation for volume production is well in hand.
No Annotation: The product parameters are fixed and the product is available to datasheet specification.
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