User Manual

Waveform Analysis
R&S
®
Scope Rider RTH
79User Manual 1326.1578.02 ─ 08
Meas. type Symbol Description Graphic / formula Source
Preshoot Pre
in %
Overshoot of a square wave before a ris-
ing or falling edge.
Same equations as overshoot
Top
Base
Amplitude
Pre+
Pre-
analog, math,
reference
AC AC
in V
RMS value of the AC part of a periodic
signal, calculated over all periods on the
display. The AC result is is derived from
the DC and AC+DC results.
DC
AC
N T
analog, math,
reference
DC DC
in V
Mean value of a periodic signal, calcula-
ted over all periods on the display. If no
complete period is available, only the
mean value of the visible waveform is
calculated.
DC
N T
analog, math,
reference
AC+DC AC+DC
in V
RMS value of a periodic signal, calcula-
ted over all periods on the display. If no
complete period is available, only the
RMS value of the visible waveform is
calculated.
DC
AC
N T
AC² + DC²
analog, math,
reference
3.2.3.3 Counting
Meas. type Symbol Description Graphic / formula Sources
Positive pulse
count
Cnt+ Number of positive pulses on the dis-
play. The mean value of the signal is
determined. If the signal passes the
mean value, an edge is counted. A posi-
tive pulse is counted if a rising edge and
a following falling edge are detected.
N321
Analog, math,
reference, logic
Negative pulse
count
Cnt- Number of negative pulses on the dis-
play. The mean value of the signal is
determined. If the signal passes the
mean value, an edge is counted. A neg-
ative pulse is counted if a falling edge
and a following rising edge are detected.
N321
Analog, math,
reference, logic
Rising edge count Cnt↑ Number of rising edges on the display.
The instrument determines the mean
value of the signal and counts an edge
every time the signal passes the mean
value in the specified direction.
N321
Analog, math,
reference, logic
Falling edge count Cnt↓ Number of falling edges on the display.
The instrument determines the mean
value of the signal and counts an edge
every time the signal passes the mean
value in the specified direction.
N321
Analog, math,
reference, logic
Automatic Measurements