Waveform Analysis
R&S
®
Scope Rider RTH
83User Manual 1326.1578.02 ─ 12
Meas. type Symbol Description Graphic / formula Source
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
4.2.3.3 Counting
Meas. type Symbol Description Graphic / formula Sources
Positive pulse
count
Cnt+ Number of positive pulses on the display.
The mean value of the signal is deter-
mined. If the signal passes the mean
value, an edge is counted. A positive
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
4.2.3.4 Power Measurements
Power measurements require two sources, one voltage source and one current
source. They are not available for cursor measurements and logic channel sources.
Automatic Measurements
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