TDS5000B Online Programmer Guide
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H PDUty
The positive duty cycle is the ratio of the positive pulse width to the
signal period, expressed as a percentage. It is measured on the first
cycle in the waveform or gated region.
Positive Duty Cycle = (Positive Width)/Period * 100%
H PEAKHits
This (histogram measurement) measures the number of points in the
largest bin of the histogram.
H PERIod
This timing measurement is the time required to complete the first
cycle in a waveform or gated region. Period is the reciprocal of fre-
quency and is measured in seconds.
H PHAse
This measures the phase difference (amount of time a waveform leads
or lags the reference waveform) between two waveforms. The mea-
surement is made between the middle reference points of the two wa-
veforms and is expressed in degrees, where 360° represents one wave-
form cycle.
H PK2Pk
This peak--to--peak amplitude measurement finds the absolute differ-
ence between the maximum and minimum amplitude in the entire
waveform or gated region.
When histogram is selected with the MEASUrement:METHod com-
mand, the PK2Pk measurement measures the histogram’s peak to
peak difference.
H PKPKJitter
This measures the variance (minimum and maximum values) in the
time locations of the cross point.
H PKPKNoise
This measures the peak--to--peak noise on a waveform at the mid ref-
erence level.
H POVershoot
The positive overshoot amplitude measurement finds the positive
overshoot value over the entire waveform or gated region.
Positive Overshoot = (Maximum – High) / Amplitude * 100%
H PTOT
This measures the top value used in extinction ratio measurements.
H PWIdth
The positive width is the distance (time) between the middle reference
(default = 50%) amplitude points of a positive pulse. The measure-
ment is made on the first pulse in the waveform or gated region.
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