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SF2140A fiches techniques PDF

RF Monolithics - SAW Filter

Numéro de référence SF2140A
Description SAW Filter
Fabricant RF Monolithics 
Logo RF Monolithics 





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SF2140A fiche technique
Preliminary
®
• Excellent Size-to-Performance Ratio
• Hermetic 13.3 X 6.5 mm Surface-Mount Case
• Complies with Directive 2002/95/EC (RoHS) Pb
SF2140A
140.0 MHz
SAW Filter
Absolute Maximum Ratings
Rating
Input Power Level
Storage Temperature Range
Operating Temperature Range
Suitable for lead-free soldering - Max Soldering Profile
Value
Units
+10 dBm
-40 to +85
°C
-40 to +85
°C
260°C for 30 s
SMP-53
Electrical Characteristics
Characteristic
Nominal Center Frequency
Maximum Insertion loss
1dB Bandwidth
3dB Bandwidth
35dB Bandwidth
Passband Ripple (within 130.9~149.1 MHz)
Group Delay Ripple (within 130.9~149.1 MHz)
Absolute Group Delay
Input VSWR (within 130.9~149.1 MHz)
Output VSWR (within 130.9~149.1 MHz)
Temp Coefficient
Attenuation: (Reference level from minimum insertion loss)
10 ~ 90 MHz
190 ~ 120 MHz
120 ~ 126.8 MHz
154.7 ~ 160 MHz
160 ~ 190 MHz
190 ~ 800 MHz
Case Style
Lid Symbolization (YY=year, WW=week) See note 4
Sym
fC
IL
Notes
1
Min
18.4
20.0
www.DataSheet.net/
Typ
140.0
9.2
20.8
21.8
25.5
0.75
115
1.05
2.0
1.7
-93
Max
10.5
26.4
1.0
150
2.5
2.3
35 62
40 54
35 42
35 45
40 43
35 62
SMP-53 13.3 X 6.5 mm Nominal Footprint
RFM SF2140A YYWWS##
Units
MHz
dB
MHz
MHz
MHz
dB
ns
µs
dB
dB
ppm/° C
dB
dB
dB
dB
dB
dB
Notes:
1. Unless noted otherwise, all specifications apply over the operating temperature
range with filter soldered to the specified demonstration board with impedance
matching to 50 and measured with 50 network analyzer.
2. Unless noted otherwise, all frequency specifications are referenced to the nom-
inal center frequency, fc.
3. Rejection is measured as attenuation below the minimum IL point in the pass-
band. Rejection in final user application is dependent on PCB layout and exter-
nal impedance matching design. See Application Note No. 42 for details.
4. "LRIP" or "L" after the part number indicates "low rate initial production" and
"ENG" or "E" indicates "engineering prototypes."
5. The design, manufacturing process, and specifications of this filter are subject
to change.
6. 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.
7. US and international patents may apply.
8. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of
RF Monolithics, Inc.
9. ©Copyright 1999, RF Monolithics Inc.
10. Electrostatic Sensitive Device. Observe precautions for handling.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
http://www.rfm.com
SF2140A-1/31/08
Datasheet pdf - http://www.DataSheet4U.co.kr/

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