SAW Device
51.84-MHz Timing Filter for Optical Communication
n
Features
A timing filter for optical communication is used for clock extraction in optical fiber
communication.
l
Highly reliable.
For Industrial Use
Pb
Free
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Specifications
Model
Item
Nominal frequency 3dB (MHz)
Q value 3dB
Minimal loss (dB)
Guaranteed attenuation (dB)
5.3 to 50.8MHz
52.88 to 103.6MHz
min.
51.833
600
–
25
25
WF227A
typ.
51.84
900
10.5
30
30
0 to +70
600
max.
51.847
1000
18.0
–
–
Operating temperature range (°C)
Terminating impedance (Ω)
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Dimensions
mm
PAD NO.
Others
2
4
2.9±0.3
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Characteristics
[In-band characteristics]
CONNECTION
GND
INPUT
OUTPUT
[50deg/div]
51.84MHz
200kHz span
[1dB/div]
0
17.2
15.2±0.3
2.54 2.54 2.54
0.5
5.0±0.3
Reference land pattern
18
1.9
1.27
8
[Out-of-band characteristics]
0
7.0
1.27
2G
1G
G
G
G G
G G
3
4
0.7
3×2.54 = 7.62
[5dB/div]
1.9
51.84MHz
2.5MHz span
sa25_071102_WF227A_e1
NDK [ NIHON DEMPA KOGYO ]
