SAW Device
622.08-MHz Timing Filter for Optical Communication
n
Features
A timing filter for optical communication is used for clock extraction in optical fiber
communication.
l
High stability.
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Compact (5.2 x 4.8 x 1.45 mm).
For Industrial Use
Pb
Free
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Specifications
Model
Item
Nominal frequency3dB (MHz)
Q value 3dB
Minimal loss (dB)
Guaranteed attenuation (dB)
10 to 612.08MHz
632.08 to 722.08MHz
min.
622.00
600
–
25
25
WF328A
typ.
622.08
850
9.0
40
40
0 to +65
50
max.
622.16
1200
12.0
–
–
Operating temperature range (°C)
Terminating impedance (Ω)
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Dimensions
mm
PAD NO.
Others
6
3
1.45±0.3
CONNECTION
GND
INPUT
OUTPUT
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Characteristics
[In-band characteristics]
0
4.8±0.3
2.54
0.8
Reference land pattern
5.4
2.54
622.08MHz
2MHz span
[1dB/div]
[Out-of-band characteristics]
6
5
4
5.2±0.3
G
1
2
3
[10dB/div]
3.2
1.4
1.0
5.8
0
2.8
622.08MHz
50MHz span
sa27_071102_WF328A_e1
[10deg/div]
NDK [ NIHON DEMPA KOGYO ]
