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參數資料
| 型號： | SF1120B |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 298.74 MHz SAW Filter |
| 中文描述： | 298.74兆赫SAW濾波器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 148K |
| 代理商： | SF1120B |
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
SF1120B-121504
Page 1 of 4
Electrical Characteristics
Characteristic
Sym
f
C
IL
BW
1
BW
3
Notes
1
Min
Typ
Max
Units
MHz
dB
Nominal Center Frequency
Passband
298.740
Insertion Loss at fc
1 db Passband
3 db Passband
12.0
1, 2
±750
±1100
kHz
±1150
±1300
1.0
250
Amplitude Ripple over fc±1.0 MHz
Group Delay Variation over fc ±1.0 MHz
fc-25 to fc-5.0 and fc+5.0 to fc+25 MHz
dB
P-P
ns
P-P
dB
GDV
Rejection
Operating Temperature Range
1, 2, 3
T
A
1
-20
+75
°C
SMP-03
Designed for GPS Applications
Quartz Temperature Stability
Small Size
Hermetic 7 x 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
298.74 MHz
SAW Filter
SF1120B
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 "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 fil-
ter 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.
6.
7.
8.
9.
Connection
Port 1
Port 2
Case Ground
Terminals
1, 10
5, 6
All others
Electrical Connections
Matching to
Unbalanced Impedance
Case Style
Lid Symbolization (YY = year, WW = week)
External L-C to 1k
(Port 1) and 200
(Port 2)
SMP-03 7 x 5 mm Nominal Footprint
RFM SF1120B YYWW
6
Pb
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