SAW Device
IF SAW Filter for CATV Broadcasting Station Image Signal Extraction
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Features
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A filter with superb filter characteristics.
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It has not been adjusted.
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Highly reliable.
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Reduces audio signals by 50 dB or more.
For Industrial Use
Pb
Free
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Specifications
Model
Nominal frequency : f
0
(MHz)
3-dB passband width (MHz)
In-band deviation (–3.58 to 0MHz max)(dB)
Insertion loss (constant loss) (dB)
to f
0
–6MHz
f
0
–6 to –4.58MHz
f
0
–4.58 to –4.55MHz
Guaranteed attenuation (dB)
f
0
–4.55 to –4.45MHz
f
0
–4.45 to –4.42MHz
f
0
+1.25 to +1.5MHz
f
0
–1.5 to +3.58MHz
f
0
+3.58MHz to
Input impedance (Ω)
Output impedance (Ω)
Operating temperature range (°C)
Package model name
36 max
40 min.
32 min.
40 min.
50 min.
40 min.
22 min.
30 min.
40 min.
75
75
0 to +50
PK–3
WF050A
58.75
+0.75 / –4.08 min.
±1 max
37 max.
WF050B
45.75
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Dimensions
mm
PAD NO.
Others
1
3
CONNECTION
GND
INPUT
OUTPUT
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Characteristics
<WF050A>[In-band characteristics]
0
45.5max.
5.5
5.0–φ0.45
9.0max.
0.5
[1dB/div]
58.75
(MHz)
10 MHz span
<WF050A>[Out-of-band characteristics]
0
43.0
7.5
10.0
3
4
5
2
1
12.5max.
[10dB/div]
35.0
3.75
58.75
(MHz)
10 MHz span
sa22_071102_WF050_e1
NDK [ NIHON DEMPA KOGYO ]
