Rohde & Schwarz R&S RTB2004 - Page 112

Measurements
R&S
®
RTB2000
104User Manual 1333.1611.02 ─ 04
Meas. type Symbol Description Graphic / formula
Peak+ Vp+ Maximum value within the displayed waveform.
Max
Peak- Vp- Minimum value within the displayed waveform.
Min
Overshoot +Ovr
-Ovr
in %
Overshoot of a square wave after a rising or falling edge. It
is calculated from measurement values top level, base level,
local maximum, local minimum, and amplitude.
%100
Amplitude
TopMax
Over
local



%100
Amplitude
Min Base
Over
local



Top
Base
Amplitude
Over+
Over-
Mean value Mean Arithmetic average of the complete displayed waveform.



N
k
k
x
N
1
1
Mean
RMS value RMS RMS (root mean square) value of the voltage of the com-
plete displayed waveform.



N
k
k
x
N
1
2
1
RMS
σ-Std. deviation
σ
Standard deviation of the displayed waveform.
 





N
k
k
x
N
1
2
Mean
1
1
σ
σ-Std. dev. cycle σ-Cyc Standard deviation of one cycle, usually of the first, left-most
signal period.
N T
σ
Crest factor Crest The crest factor is also known as peak-to-average ratio. It is
the maximum value divided by the RMS value of the dis-
played waveform.
RMS
||Max
Crest
k
x

Automatic Measurements