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Performance Tests
Agilent 81490A Performance Test Record
Page 4 of 7
Report No.
Date:
_____________________
λ
Data
amplitude
_____________________
Rise time
measured
Rise timea
Fall time
measured
Fall timeb
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1310 nm 0.85V
0.8V
0.6V
0.4V
0.2V
1550 nm 1.0V
0.8V
0.6V
0.4V
0.2V
≤ 25.0 ps
Limit
≤ 25.0 ps
a The Rise Time is calculated as follows
2
Measured rise time Ō DCA intrinsic rise time
2
Measured rise time Ō 15.91ps
2
2
where 15.91 PS is the worst case rise time for the Agilent 86105B
b The Fall Time is calculated as follows
2
Measured fall time Ō DCA intrinsic fall time
2
Measured fall time Ō 15.91ps
2
2
where 15.91 PS is the worst case fall time for the Agilent 86105B
50
Agilent 81490A Reference Transmitter Module User’s Guide, First Edition