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SF1143B-1
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Designed for SDARS IF Receiver
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Low Insertion Loss
5.0 X 7.0 mm Surface-Mount Case
Differential Input and Output
315 MHz
SAW Notch Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Value
+10
30
Units
dBm
VDC
Storage Temperature Range
Max Soldering Profile
-40 to +85
265°C for 10 s
°C
SMP-03
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
Max
Units
Nominal Center Frequency
Passband
Insertion Loss at fc
f C
IL
1
315.0
15.1
17.0
MHz
dB
Passband 1 low frequency
Passband 1 high frequency
Passband 2 low frequency
Passband 2 high frequency
Notch 3dB rejection band relative to Passband 1 and Passband 2:
3dB low frequency rejection
3dB high frequency rejection
Maximum Notch depth at fc
Amplitude Ripple over Passband 1 +Passband 2
BW 3
1, 2
313.435
321.685
315.865
-10
309.40
317.965
315.030
1.0
MHz
MHz
MHz
MHz
MHz
dB
dB P-P
Group Delay Variation over Passband 1 +Passband 2
GDV
23
200
ns P-P
Rejection
100 MHz to fc-10.3 and fc+10.3 to fc+100 MHz
1, 2, 3
40
dB
Operating Temperature Range
T A
1
-40
+85
°C
Differential Input and Output Impedance
250 ohms
Case Style
Lid Symbolization (YY=year, WW=week, S=shift) See note 4
Electrical Connections
Connection
Terminals
Port 1 Hot
10
Port 1 Ground Return
1
Port 2 Hot
5
Port 2 Ground Return
6
Case Ground
All Others
Notes:
6
SMP-03 7 x 5 mm Nominal Footprint
RFM SF1143B-1 YYWWS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
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.
Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
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.
"LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engineering prototypes."
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.
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.
SF1143B-1-051804
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相关代理商/技术参数
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SF1143B-4 功能描述:信号调节 315.00MHz, SDARS IF SAW Filter RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
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