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參數(shù)資料
| 型號(hào)： | SF1084B |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 299 MHz SAW Filter |
| 中文描述： | 299兆赫SAW濾波器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 62K |
| 代理商： | SF1084B |
SF1084B 299 MHz SAW Filter
RF Monolithics, Inc.
4347 Sigma Road
Dallas, Texas 75244
USA
Phone: +1(972)233-2903
Fax: +1(972)387-8148 44 1963 251383
e-mail:
info@rfm.com
44 1963 251510
Home page:
www.rfm.com
European Sales Office
SF1084B 7/22/1999 R
Electrical Connections
Connection
Port 1 Hot
Port 1 Gnd Return
Port 2 Hot
Port 2 Gnd Return
Case Ground
Terminals
7
1
3
5
All Others
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Max Soldering Profile
Value
+10
30
-40 to +85
235
°
C for 90 s
Units
dBm
VDC
°
C
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
Nominal Center Frequency
Passband
Sym
fc
IL
BW
3
Min
Typ
Max
Units
MHz
dB
kHz
dB
P-P
ns
P-P
dB
Notes
1
299.000
6
8.0
±
275
0.3
100
Insertion Loss at fc
3 dB Passband
Amplitude Ripple over fc
±
75 kHz
Group Delay Variation over fc
±
75 kHz GDV
100 kHz to fc-6.0 MHz and fc+6.0 to 540 MHz
1, 2
20
40
>40
Rejection
Ultimate
1, 2, 3
Operating Temperature Range
T
A
-40
+85
°
C
1
Impedance Matching to 50
unbalanced
Case Style
Lid Symbolization (YY=year, WW=week, XXX=lot code)
External L-C
SM8558-8 8.5 x 5.8 mm Nominal Footprint
RFM SF1084B 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.
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 “l(fā)ow rate initial production” and “ENG” or “E” indicates “engineering prototypes.”
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.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
Copyright 1999, RF Monolithics Inc.
10. Electrostatic Sensitive Device. Observe precautions for handling.
2.
3.
4.
5.
6.
7.
8.
9.
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