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PDF SF1197B Data sheet ( Hoja de datos )
| Número de pieza | SF1197B | |
| Descripción | SAW Filter | |
| Fabricantes | RF Monolithics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SF1197B (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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®
• Small Size
• Hermetic 7 X 5 mm Surface Mount Case
• No Matching Required
Input power Level
Input: unsymmetrical Output: symmetrical
Terminating source impedance:
Terminating load impedance:
Low-Impedance Input: near 50 Ohm
Low-Impedance Output: near 200 Ohm
Operating Temperature
max. 20 dBm for <= 100 hours
max. 10 dBm for <= 15 years
Zs = 50 Ohm (no matching network)
ZI = 200 Ohm (no matching network)
T = -20 to 80 [°C]
SF1197B
248.6 MHz
SAW Filter
SMP-03
Electrical Characteristics
Characteristic
Nominal Center Frequency
Minimal insertion attenuation
3 dB Band Width
Amplitude ripple (p - p) [fn ±120 kHz]
Group Delay ripple (p - p) [fn ±120 kHz]
Relative attenuation (relative to amin)
10 MHz ....
(fn - 29,2 MHz)
fn + 22,8 MHz
fn + 52,0 MHz
fn + 74,8 MHz
fn + 104,0 MHz
fn + 126,8 MHz
Case Style
Lid Symbolization (Y=year, WW=week, S=shift) See note 3
Sym
fN
a_min
Notes
1
Min
5.0
a_relwww.DataSheet.net/
45.0
45.0
45.0
45.0
45.0
45.0
Typ
248.6
3.0
6.5
0.3
50
50
50
50
50
50
Max
4
0.5
0.3
SMP-03 7 X 5 mm Nominal Footprint
RFM SF1197B YWWS
Units
MHz
dB
MHz
dB
µs
dB
dB
dB
dB
dB
dB
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. A dB offset exists
for RFM because of the loss introduced by using transformers on the Input and
Output.
2. Rejection is measured as attenuation below the minimum IL point in the pass-
band. Rejection in final user application is dependent on PCB layout and exter-
nal impedance matching design. See Application Note No. 42 for details.
3. "LRIP" or "L" after the part number indicates "low rate initial production" and
"ENG" or "E" indicates "engineering prototypes."
4. The design, manufacturing process, and specifications of this filter are subject
to change.
5. 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.
6. US and international patents may apply.
7. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of
RF Monolithics, Inc.
8. ©Copyright 1999, RF Monolithics Inc.
9. 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
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: [email protected]
http://www.rfm.com
SF1197B-081203
Page 1 of 4
Datasheet pdf - http://www.DataSheet4U.co.kr/
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| PDF Descargar | [ Datasheet SF1197B.PDF ] | |
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