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PXIe Platform Bit Error Rate Tester
|
BERTPXIe-1003/1005
Coherent Solutions Ltd.
Version
1.00
43
To set the amplitude to the minimum or maximum value allowed, click the arrow button at the
left side of the box and then select MIN or MAX, as shown below.
You can also use the up or down arrow on the right side of the box to increase or decrease the
value.
8.5.2
Set the cross-point level
The pattern generator has a cross-point adjust function to set the output waveform crossing
point as shown below. The output crossing point range is programmable from 35% to 55%.
To the set the cross-point level for a channel, select an appropriate value from the CROSS
POINT drop-down list.
8.5.3
Invert the generated pattern
Based on your needs, you can invert the digital NRZ format pattern at the pattern generator
output. To do that, click the INVERT PATTERN button, as shown below:
Once the pattern is inverted, the color of the button changes to green (
). Its color changes
to orange (
) during the initialization of the inversion.