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SF2042B
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Designed for 802.16 and WIMAX Receiver IF Application
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Low Insertion Loss
5.0 X 7.0 mm Surface-Mount Case
456.00 MHz
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Differential Input and Output
Complies with Directive 2002/95/EC (RoHS)
Pb
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Value
+13
30
-40 to +85
Units
dBm
VDC
°C
Suitable for lead-free soldering - Max Soldering Profile
Electrical Characteristics
260°C for 30 s
SMP-03
Characteristic
Nominal Center Frequency @ 25°C
Insertion Loss @ 25°C
Sym
CF
Notes
10
1
Min
Typ
456.00
12
Max
14
Units
MHz
dB
Differential Impedance line-to-line
1
200
Ohms
Passband 1dB
Passband 3dB
1, 10
1, 10
±6.4
±7.5
±7.5
±8.8
MHz
Group Delay
Rejection
Equivalent Circuit
Absolute Group Delay Variation; CF ±6.4 MHz
Return Loss
DC to 256 MHz
256 to 360 MHz
360 to 416
416 to 443 MHz
470 to 656 MHz
656 to 946 MHz
Input 320 ohm
1
1
1
1
1
1
1
1
8
30
36
36
25
32
30
50
15
55
50
40
35
35
50
5.1
150
nsec
dB
dB
pF
Output 400 ohm
4.5
pF
Center Frequency Temperature Coefficient
Maximum Peak RF Input Power
10
-15
13
kHz/°C
dBm
Temperature
Operating
Storage
-40
-40
85
85
°C
Case Style
Lid Symbolization (YY=year, WW=week, S=shift)
Notes:
SMP-03 5 x 7 mm Nominal Footprint
RFM SF2042B YYWWS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance matching to
50 ? using 50 ? / 200 ? baluns and measured with 50 ? network analyzer.
Rejection is measured as attenuation below the minimum IL point in the passband. Rejection in final user application is dependent on PCB layout and external impedance
matching design. See Application Note No. 42 for details.
The design, manufacturing process, and specifications of this filter are subject to change.
Tape and Reel Standard ANSI / EIA 481.
Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port 1 and Port 2, so that
the filter must always be installed in one direction per the circuit design.
US and international patents may apply.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
?Copyright 1999, RF Monolithics Inc.
Electrostatic Sensitive Device. Observe precautions for handling.
The center of the passbands will move with ambient temperature.
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
Page 1 of 3
?1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
SF2042B-072406
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