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| 型号： | SF1083B |
| 厂商： | RF MONOLITHICS INC |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 286 MHz, SAW FILTER |
| 文件页数： | 1/6页 |
| 文件大小： | 206K |
| 代理商： | SF1083B |
SF1083B 286 MHz SAW Filter
RF Monolithics, Inc.
Phone: +1(972)233-2903
European Sales Office
4347 Sigma Road
Fax: +1(972)387-8148
44 1963 251383
Dallas, Texas 75244
e-mail: info@rfm.com
44 1963 251510
USA
Home page:
www.rfm.com
SF1083B 7/22/1999 R
Electrical Connections
Connection
Terminals
Port 1 Hot
7
Port 1 Gnd Return
1
Port 2 Hot
3
Port 2 Gnd Return
5
Case Ground
All Others
Absolute Maximum Ratings
Rating
Value
Units
Maximum Incident Power in Passband
+10
dBm
Max. DC voltage between any 2 terminals
30
VDC
Storage Temperature Range
-40 to +85
°C
Max Soldering Profile
235
°C for 90 s
Designed for GSM BTS Transmitter Applications
Low Insertion Loss and Small Size
8.5 x 5.8 mm Surface-Mount Case
Unbalanced Input and Output
Characteristic
Sym
Min
Typ
Max
Units
Notes
Nominal Center Frequency
fc
286.000
MHz
IL
6
8.0
dB
1
BW3
±275
kHz
0.3
dBP-P
Passband
Insertion Loss at fc
3 dB Passband
Amplitude Ripple over fc
±75 kHz
Group Delay Variation over fc
±75 kHz GDV
100
nsP-P
1, 2
20
40
Rejection
100 kHz to fc-6.0 MHz and fc+6.0 to 540 MHz
Ultimate
>40
dB
1, 2, 3
Operating Temperature Range
TA
-40
+85
°C
1
Impedance Matching to 50
unbalanced
External L-C
Case Style
SM8558-8 8.5 x 5.8 mm Nominal Footprint
Lid Symbolization (YY=year, WW=week, XXX=lot code)
RFM SF1083B YYWWXXX
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 nominal center frequency, fc.
3.
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.
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.
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