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SF1082A fiches techniques PDF

RFM - 125.000 MHz SAW Filter

Numéro de référence SF1082A
Description 125.000 MHz SAW Filter
Fabricant RFM 
Logo RFM 





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SF1082A fiche technique
• Designed for GSM BTS Transmitter 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
SF1082A
125.000 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
Sym
fC
Notes
1
Min Typ Max
125.000
Units
MHz
Passband
Insertion Loss at fc
IL
6.0 8.0 dB
Rejection
3 dB Passband
Amplitude Ripple over fc ±75 kHz
Group Delay Variation over fc±75 kHz
fc-7.5 to fc-6.0 and fc+6.0 to fc+7.5 MHz
Ultimate
BW3
GDV
1, 2
1, 2, 3
±275
20
±440
40
>40
kHz
0.3 dBP-P
100 nsP-P
dB
Operating Temperature Range
TA 1
-40
+85 °C
Impedance Matching to 50 unbalanced
Case Style
Lid Symbolization (XX = 2 character date code)
External L-C
SM9171-10 9.1 x 7.1 mm Nominal Footprint
RFM SF1082A XX
Electrical Connections
Port 1 Hot
Port 1 Gnd Return
Port 2 Hot
Port 2 Gnd Return
Case Ground
Connection
Terminals
1
4
6
9
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 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 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. Electrostatic Sensitive Device. Observe precautions for handling.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-9148
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.
http://www.rfm.com
SF1082A-121504
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