M A T H - M E A S U R E M E N T S - A N A L Y S I S
STANDARD MATH IN ALL WAVERUNNER OSCILLOSCOPES
Arit hm e t ic: Sum (add), Difference (subtract), Product (multiply), Ratio
(divide).
Av eraging: Summed, or linear, average of up to 1000 sweeps.
Ext re m a: Display trace envelope, floor, and roof.
FFT: Fast Fourier Transform to 50 000 points; Power Spectrum, Phase,
Magnitude; FFT Windows include Flat Top, Rectangular, Blackman
Harris, Von Hann, Hamming.
Ot he r Funct ions: Identity, Negation (Invert), Sine x/x.
Re sam ple : To deskew as well as resample signals.
Rescale: Assign new physical units or rescale.
ERES: Enhanced Resolution for up to 11 bits of vertical resolution.
Trending: Plot a parameter versus time or versus another parameter.
STANDARD MEASUREM ENTS IN ALL WAVERUNNER
OSCILLOSCOPES
am pl Amplitude
area Integral of waveform data
base Lower of two most probable states
cycles Number of cycles of a periodic waveform
cm ea n Cyclic mean: The average of waveform data
Crm s Cyclic root mean square
delay Time from trigger to transition
Ddly Time between 50% level of two sources
dut y Duty cycle: Width as percentage of period
f80-20% Fall time from 80-20%
fa ll Fall time from 90-10%
freq Frequency
m axim um The highest point in waveform
m ean Average of data for time domain waveform
m inim um Measures the lowest point in a waveform
over- Overshoot negative
over+ Overshoot positive
period Period of a cyclic signal
pkpk Peak-to-peak
phase Phase difference between signal analyzed and signal
used as reference
r20-80% Rise time from 20% to 80%
rise Rise time from 10% to 90%
rm s Root Mean Square of data between the cursors
t op Higher of two most probable states
w idt h Width of cyclic signal: all waveform pulses are averaged
then displayed
WAVEANALYZER OPTION (WAVA)
All st andard m at h and m e asure m ent t ools plus...
Ext e nd ed Av era ging
Summed, or linear, Average of up to one million waveforms; Continuous
Average.
Ext e nd ed FFT
Fast Fourier Transform to one million points; FFT Average; Power Averaging,
Power Density, Real, Real + Imaginary.
Hist og ra m s
Graphical analysis with Histograms and Histogram Analysis Parameters.
M at h Funct ions*
Absolute Value, Derivative, Exp (base e), Exp (base 10), Integral, Log (base
e), Log (base 10), Reciprocal (1/x), Square, Square Root.
Para m et er M e asurem e nt s*
Cm edia n Cyclic median: average of base and top values over
an integral number of cycles.
Csde v Cyclic standard deviation.
Dc2d± D clock to data ± (setup and hold time)
Dt @lv The transition time between selected levels on a
single trace or between two traces.
first Indicates value of horizontal axis at left cursor.
last Time from trigger to last (rightmost) cursor.
m edia n The average of base and top values.
r@leve l Rise time between selected voltage levels.
Point s Number of points in the waveform between
the cursors.
sdev Standard deviation of data between the cursors.
t @le ve l Time from trigger (t= 0) to crossing at a level.
f@leve l Fall time between selected voltage levels.
Dur The time between triggers in segment or other
history modes.
* Also included w ith EM M
