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PDF SF1115A Data sheet ( Hoja de datos )
| Número de pieza | SF1115A | |
| Descripción | 199 MHz SAW Filter | |
| Fabricantes | RFM | |
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• Designed for GSM BTS Receiver IF Applications
• Compatible with National Semiconductor Chip Set
• Very Flexible Impedance Matching
• Unbalanced or Balanced Input or Output
• 9.1 x 7.1 mm Version of the SF1115A-1
• Complies with Directive 2002/95/EC (RoHS)
Pb
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
+15 dBm
30 VDC
-40 to +85
°C
260°C for 30 s
SF1115A
199 MHz
SAW Filter
SM9171-10
Electrical Characteristics
Characteristic
Nominal Center Frequency
Passband
Insertion Loss at fc
1 db Passband
Amplitude Ripple over fc±100 kHz
Group Delay Variation over fc ±100 kHz
Rejection
Room Temperature fc+800 to fc+400 kHz
Room Temperature fc-800 to fc-400 kHz
fc-800 to fc-600 and fc+600 to fc+800 kHz
fc-30 MHz to fc-800 kHz
fc+800 kHz to fc+17 MHz
fc-80 MHz to fc-30 MHz
fc+17 Mhz to fc+80 MHz
Operating Temperature Range
Frequency Temperature Coefficient
Sym
fC
IL
BW1
GDV
TA
FTC
Impedance Matching to 50Ω Unbalanced
Impedance Matching to 200Ω Balanced
Impedance Matching to 50Ω Input / 400Ω Output
Case Style
Lid Symbolization (YY = year, WW = week)
Notes
1
1, 2
1, 2, 3
1
1
Min
±100
10
10
20
30
30
35
35
-35
Typ
199.000
0.032
Max
7.0
0.5
500
+85
External L-C
External L-C
External L-C
SMP9171-10 9.1 x 7.1 mm Nominal Footprint
RFM SF1115A YYWW
Units
MHz
dB
kHz
dBP-P
nsP-P
dB
°C
ppm/°C2
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 Ω and measured with 50 Ω 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. The turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fo. The nominal frequency at any case temperature, Tc, may
be calculated from: f=fo[1-FTC(To-Tc)2].
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
SF1115A-9/7/07
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