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參數(shù)資料
| 型號： | SF2045A |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 140 MHz SAW Filter |
| 中文描述： | 140兆赫SAW濾波器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 218K |
| 代理商： | SF2045A |
RF Monolithics, Inc.
RFM Europe
2001 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
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
SF2045A-051007
Page 1 of 5
SM13365-12
Designed for IF Applications
Excellent Size-to-Performance Ratio
Hermetic 13.3 x 6.5 mm Surface-mount Case
Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating
Value
+10
30
-40 to +85
Units
dBm
VDC
°C
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Suitable for lead-free soldering - Max. Soldering Profile
260°C for 30 s
140 MHz
SAW Filter
SF2045A
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.
The design, manufacturing process, and specifications of this filter are subject to change.
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.
Electrostatic Sensitive Device. Observe precautions for handling.
2.
3.
4.
5.
Electrical Characteristics
Characteristic
Sym
f
C
IL
BW
1
BW
3
Notes
1
Min
139.60
Typ
Max
140.40
11
Units
MHz
dB
Center Frequency (3dB points) at 25°C
Passband
140.000
7.7
9.8
10.8
0.4
2.7
50
1.057
13.9
52
47
45
25
-94
Insertion Loss at fc
1 db Passband
3 db Passband
1, 2
8
10
MHz
Amplitude Ripple over 1 dB BW
Phase Linearity over 1 dB BW
Group Delay Variation over 1 dB BW
Absolute Group Delay
0.8
8
100
dB
P-P
°
P-P
ns
P-P
μsec
GDV
Rejection
35 dB BW
10 - 120 MHz
120 - 130 MHz
150 - 1000 MHz
1, 2, 3
15
MHz
40
40
40
dB
Operating Temperature Range
Frequency Temperature Coefficient
T
A
FTC
1
-40
85
°C
ppm/°C
Impedance Matching to 50
Unbalanced
Case Style
Lid Symbolization (YY = year, WW = week)
External L-C
SM13365-12 13.3 x 6.5 mm Nominal Footprint
RFM SF2045A YYWW
Pb
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