N2764BU-059 datasheet(18/44 Pages) KEYSIGHT

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18 | Keysight | Infiniium Z-Series Oscilloscopes - Data Sheet

Analysis Tools: PrecisionProbe Basic and Advanced (N2809A and N2807B)

PCI Express measurement comparisons

Root complex device

Eye height (mV)

Eye height PrecisionProbe

Gain (%)

2.5 GT/s 12 GHz

517.19

553.94

7.1

5 GT/s_12 GHz_3.5 dB

312.22

348.19

11.5

5 GT/s_12 GHz_6 dB

341.1

376

10.2

5 GT/s_16 GHz_3.5 dB

306.6

348.33

13.6

5 GT/s_16 GHz_6 dB

344.4

374.41

8.7

8 GT/s_12 GHz_P7

96.83

103.09

6.5

8 GT/s_12 GHz_P8

100.16

108.33

8.2

8 GT/s_16 GHz_P7

96.92

106.01

9.4

8 GT/s_16 GHz_P8

100.24

108.24

8.0

By characterizing and compensating for cable loss on the cable connected to the PCI

Express test fixture, the designer was able to gain between 6.5 and 13.6% margin that

would have been lost otherwise.

Every Z-Series oscilloscope has Keysight’s

custom indium phosphide (InP) fast edge.

Turn your Z-Series oscilloscope

into a time-domain

transmissometry (TDT). Quickly

characterize and compensate

any input into your scope.

PrecisionProbe technology turns

your oscilloscope into the ultimate

characterization tool. Not only can you

do the normal waveform transformations

such as de-embedding through

InfiniiSim, PrecisionProbe allows quick

characterization of your entire probe

system (including cables and switches)

without the need for extra equipment.

PrecisionProbe takes advantage of the fast

“cal output” signal built into the Z-Series

to characterize and compensate insertion

loss on the measurement system.

PrecisionProbe technology:

– Properly creates custom probe

transfer function = VOut/VIn

– Properly characterizes probed

system transfer function such that

VOut/VIn = VOut/VSrc

– Removes unwanted S21 cable loss

Now every probe and cable in the system can have the exact same response — probe to

probe or cable to cable — without the inaccuracies that using one model can produce.

You can properly characterize custom probes and remove unwanted responses. In

addition to characterizing the cables, PrecisionProbe allows for immediate use on the

same instrument. PrecisionProbe saves you time and money while increasing your

measurement accuracy.

When you combine InfiniiMax probes with switches between the amplifier and the probe

head, PrecisionProbe allows for full correction and automation of each probe’s path.

Full automation is then available to allow for quick swapping of the inputs via Infiniium’s

compliance framework. For increased accuracy, purchase PrecisionProbe Advanced for

faster edge speeds and true differential measurements.

N2764BU-059 数据表(PDF) 18 Page - Keysight Technologies

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