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PDF SF1054A-1 Data sheet ( Hoja de datos )
| Número de pieza | SF1054A-1 | |
| Descripción | 254.5 MHz SAW Filter | |
| Fabricantes | RFM | |
| Logotipo |  |
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• Designed for WLAN IF Applications
• Low Insertion Loss
• 9.1 x 7.1 mm Surface-mount Case
• Unbalanced Input and Output
• Complies with Directive 2002/95/EC (RoHS)
Pb
SF1054A-1
254.5 MHz
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Suitable for lead-free soldering - Max Soldering Profile
Value
Units
+10 dBm
30 VDC
-40 to +85
°C
260°C for 30 s
SM9171-10
Electrical Characteristics
Characteristic
Nominal Center Frequency
Passband
Insertion Loss at fc
3 dB Passband
Amplitude Ripple over fc ±80 kHz
Group Delay Variation over fc ±50 kHz
Rejection
90 MHz to fc-50 MHz and fc+50 to 1000 MHz
Spurious Rej. at 0.33, 0.528, 0.594, 1.66, and 1.8 x fc
Operating Temperature Range
Sym
fC
IL
BW3
GDV
TA
Impedance Matching to 50 Ω unbalanced
Case Style
Lid Symbolization (XX = 2 character date code)
Notes
1
1, 2
1, 2, 3
1
Min
±750
60
40
-10
Typ
254.500
8.5
±1000
0.5
<200
Max
10.0
2.0
250
+60
External L-C
SM9171-10 9.1 x 7.1 mm Nominal Footprint
RFM 1054A-1 XX
Units
MHz
dB
kHz
dBP-P
nsP-P
dB
°C
Electrical Connections
Connection
Input
Ground
Output
Ground
Case Ground
Terminals
10
1
5
6
All others
Notes:
1. Unless noted otherwise, all specitication apply over the operating temperature range with filter soldered to the specified demonstration board with
impedanced matching to 50 Ω network analyzer.
2. Unless noted otherwise, all frequency specitications 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 oon 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. Electrostatic Sensitive Device. Observe precautions for handling.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©2001 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: [email protected]
http://www.rfm.com
SF1054A-1-112204
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