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PDF SF2181D Data sheet ( Hoja de datos )
| Número de pieza | SF2181D | |
| Descripción | SAW Filter | |
| Fabricantes | RF Monolithics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SF2181D (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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• 22 MHz Filter Bandwidth
• 3.8 x 3.8 x 1.4 mm Surface-mount Package
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Maximum DC Voltage between any Two Terminals
Storage Temperature Range in Tape and Reel
Suitable for Lead-free Soldering - Maximum Soldering Profile
Pb
Value
Units
+10 dBm
3 VDC
-40 to +85
°C
260°C for 30 s
SF2181D
140 MHz
SAW Filter
Electrical Characteristics
SM3838-8
Characteristic
Nominal Center Frequency
Insertion Loss
Insertion Loss Variation over Temperature
3 dB Bandwidth
Passband Amplitude Ripple, Matching Network A, 129 to 151 MHz
Passband Amplitude Ripple, Matching Network B, 129 to 151 MHz
Passband Amplitude Ripple, Matching Network C or D, 130 to 150 MHz
Absolute Attenuation (referenced to ILMAX)
10 to 116 MHz
165 to 700 MHz
Absolute Group Delay in Passband
Passband Group Delay Ripple, Matching Network A or B, 129 to 151 MHz
Input Impedance, Unbalanced Matching Network
Input Impedance, Balanced Matching Network
Input Return Loss through any Matching Network
Output Impedance, Unbalanced Matching Network
Output Impedance, Balanced Matching Network
Output Return Loss through any Matching Network
Operating Temperature Range
Case Style
Lid Symbolization (Y=year, WW=week, S=shift)
Sym
FC
ILMAX
www.DataSheet.net/
Notes
Min
Typ
Max Units
1 140 MHz
1 8 9 dB
1 1 dB
1 22 27
MHz
1 0.8 1.2 dBP-P
1 0.6 1.0 dBP-P
0.9 1.0 dBP-P
3 35 40
dB
3 35 40
dB
1 300 350 ns
1 40 80 nsP-P
1 50 ohm
1 200 ohm
1 6 14
dB
1 50 ohm
1 200 ohm
1 6 14
dB
-40 +85 °C
SM3838-8 3.8 x 3.8 mm Nominal Footprint
RFM 872 YWWS
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1. Unless noted otherwise, all specifications apply over the operating temper-
ature 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 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.
www.RFM.com E-mail: [email protected]
©2009-2010 by RF Monolithics, Inc.
Page 1 of 11
SF2181D - 2/16/10
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
SF2181D, Using Matching Network C
CH1 S 11
1 : 37 . 842
1 U FS
13 . 596
140 . 000 00 0 MHz
SF2 181D SS
Tu ning2
1 5 . 4 56 n H
1
C or
Full
3 Mar 2009 16:28:17
CH3 S22
1 : 4 6 . 90 6
140 . 00 0 000
1 U FS
-3 . 83 20
MHz
296 . 66 pF
1
C or
CENTR 14 0 . 000 MHz
CH2 S2 1
LO G
SPA N 120 . 000 MHz
10 dB/
RE F -10.0 8 d B
1
3
C or
Full
CENTR 140 . 0 00 M Hz
1 : 0 . 000 0 dB
SPAN 1 20 . 00 0 MHz
0 . 000 00 0 MHz
CH2 PASS
2
4
BW :
CH2 Markers
M ax REF=1
28 . 038890
MH z
cent : 13 9 . 828 48 5
M Hz
Q: 4 . 9869
1_ loss : -7 . 6651 dB
CENTER
140 . 0 00 000 MHz
CH1 S2 1
DEL
SF2 181D SS
Tu ning2
Sm o
C
50 ns/
RE F 400 ns
Full 3
SPAN 1 20 . 00 0 000 MHz
www.DataSheet.net/
3 Mar 2009 16:29:11
2 : -2 0 . 86 6 ns
2 2 . 000 0 00 MHz
CH1 Markers
REF=3
me an : 3 16 . 34 n s
s . dev : 7 . 285 0 n s
p-p : 3 7 . 1 07 n s
2
1
CH3 S2 1
LO G
1 d B/
RE F -8 dB
C
2
3 : - . 79690 dB
2 2 . 000 0 00 MHz
CH3 Markers
REF=2
mean : -8 . 2 44 6 d B
s . dev : . 1859 0 d B
3
p-p : . 93 510 d B
1
CENTER
140 . 0 00 00 0 MHz
www.RFM.com E-mail: [email protected]
©2009-2010 by RF Monolithics, Inc.
SPAN
40 . 0 00 00 0 MHz
Page 5 of 11
SF2181D - 2/16/10
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
Tape and Reel Specifications
See Detail "A"
“B “
Nominal Size
Inches
7
13
millimeters
178
330
Quantity Per Reel
1000
3000
12.0
2.0
COMPONENT ORIENTATION and DIMENSIONS
www.DataSheet.net/
Carrier Tape Dimensions
Ao 4.25 mm
Bo 4.25 mm
Ko 1.30 mm
Pitch
8.0 mm
W 12.0 mm
0.3 ± 0.05
2.0 4.0
PIN #1
1.50 A
RO.3
(MAX.)
Bo
Ko
SECTION A-A
B
Ao
B
Pitch
A
R0.5
(MAX.)
1.5
SECTION B-B
USER DIRECTION OF FEED
www.RFM.com E-mail: [email protected]
©2009-2010 by RF Monolithics, Inc.
Page 11 of 11
SF2181D - 2/16/10
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SF2181D.PDF ] | |
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