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WF957A0056KB Datasheet(PDF) 1 Page - NIHON DEMPA KOGYO

Part No. WF957A0056KB
Description  SAW Filter for CATV
Download  1 Pages
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Maker  NDK [NIHON DEMPA KOGYO]
Homepage  http://www.ndk.com/en
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WF957A0056KB Datasheet(HTML) 1 Page - NIHON DEMPA KOGYO

   
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background image
Pb
Free
SAW Device
SAW Filter for CATV
For Industrial Use
sa20_071102_WF957A0056KB_e1
PAD NO.
CONNECTION
Others
GND
2
INPUT
7
OUTPUT
mm
Model
WF957A0056KB
Item
min.
typ.
max.
Nominal center frequency : f0 (MHz)
56.857142
Insertion loss (dB) (at f0)
27.4
35
In-band deviation (dB p-p) (f0±2.79MHz)
0.7
1.2
Group delay deviation (ns p-p) (f0±2.79MHz)
60.0
140
Out-of-band attenuation (dB)
f0–6MHz to f0–3.21MHz
30
37
from the minimal insertion loss
f0+3.21MHz to f0+6MHz
30
38
Operating temperature range (°C)
0
60
Terminating impedance (Ω)
50
[In-band characteristics]
[Out-of-band characteristics]
6
7
8
9
5
12
3
51.5max
5.08
5.08
9–φ0.6
12.7
12.7
4
CH1
CH2 A/R DELAY
REF 4.983 μsec
0.100 μsec/
CH1 A/R LOG MAG
REF –27.360 dB
0.500 dB/
CENTER(MHz) 56.8571
SPAN(MHz)10.000
CH2 CENTER(MHz) 56.8571
SPAN(MHz)10.000
CH1
CH1 A/R LOG MAG
REF –27.360dB
10.000 dB/
CENTER(MHz) 56.8571
SPAN(MHz) 12.000
n Dimensions
n Characteristics
n Features
l A low-loss filter.
l With a low-band ripple.
l Excellent group delay characteristics.
l Excellent guaranteed attenuation.
n Specifications


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