Tektronix MSO70000 Series Programmer's Manual

Commands Listed in Alphabetical Order
CRMs (cycle rms
) measures the true Root Mean Square voltage over the first c ycle
in the waveform or the first cycle in the gated region.
DELay measure
s the time between the middle reference (default = 50%) amplitude
point of the source waveform and the destination waveform.
DISTDUty (d
uty cycle distortion) measures the time between the falling edge and
the rising edge of the eye pattern at the mid reference level. It is the peak-to-peak
time variation of the first eye cros sing measured at the mid-reference as a percent
of the eye period.
EXTINCTDB measures the extinction ratio of an optical waveform (eye diagram).
Extinction Ratio (dB) measures the ratio of the average power levels for the logic
High to the logic Low of an optical waveform and expresses the result in dB. This
measurement only works for fast acquisition signals or a reference waveform
saved in
fast acquisition mode.
Extinction dB = 10 × (log 10 (High / Low)
EXTINCTPCT measures t he extinction ratio of the selected optical waveform.
Extinction Ratio (%) m easures the ratio of the average power levels for the logic
Low (o
ff) to the logic (High) (on) of an optical waveform and expresses the
result in percent. This measurement only works for fast acquisition signals or a
reference wavef orm saved in fast acquisition mode.
Extinction % = 100.0 × (Low / High)
EXTI
NCTRATIO
measures the extinction ratio of the selected optical waveform.
Extinction Ratio measures the ratio of the average power levels for the logic High
to the logic Low of an optical waveform and expresses the result without units.
This measurement only works for fast acquisition signals or a reference waveform
saved in fast acquisition mode. Extinction ratios greater than 100 or less than 1
generate errors; low must be greater than or equal to 1 μW.
Extinction Ratio = (High / Low)
EYEHeight measures the vertical opening of an eye diagram in volts.
EYEWidth measures the width of an eye diagram in seconds.
FALL measures the time taken for the falling edge of the fi rst pulse in the
waveform or gated region to fall from a high reference value (default is 90%) to a
low reference value (default is 10%).
FREQuency measures the first c ycle in the waveform or gated region. Frequency
is the reciprocal of the period and is measured in hertz (Hz), where 1 Hz = 1 cycle
per second.
HIGH measures the High reference (100% level, sometimes ca lled Topline) of
a waveform.
You can also limit the High measurement (normally taken over the entire
waveform record) to a gatedregiononthewaveform.
DPO7000, DPO70000/B and DSA7000/B Series Programmer Manual 2-379

Tektronix MSO70000 Series Specifications

General

Brand	Tektronix
Model	MSO70000 Series
Category	Test Equipment
Language	English