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R&S
RT-ZZ80
● Specifies the transferable spectrum for other waveforms. E.g. with square
wave signals, the fifth harmonic should still be within the bandwidth for a high
signal integrity.
● Determines the minimum measurable signal rise time. The rise time t
probe is inversely proportional to its bandwidth. The following approximation
applies:
0
5 .
t
rise
BW
The
figure 4-3
shows a typical step response of an R&S RT-ZZ80 transmission
line probe.
Fig. 4-3: Step response of the R&S RT-ZZ80
In addition to bandwidth, a constant amplitude frequency response of the probe is
decisive for high signal integrity. The
quency response of an R&S RT-ZZ80 transmission line probe.
4.1.2
Performance with Different Connection Types
The
table 4-2
shows three types of connection between probe and DUT as well
as the associated rise times, bandwidths, input impedances and overshoots. The
longer the connection to the DUT, the higher the connection inductance L
User Manual 1409.7689.02 ─ 02
Signal Integrity of the Transferred Signal
figure 4-2
shows the typical amplitude fre-
Measurement Principles
of the
rise
.
con
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