Agilent Technologies 222A Instrukcja Obsługi Pobierz pdf (Strona 109)

109

Specifications

Pulse Parameter Definitions

Jitter

Short-term instability of one edge relative to a reference edge. Usually

specified as rms value, which is one standard deviation or “sigma”. If

distribution is assumed Gaussian, six sigma represents 99.74% of the

peak-peak jitter.

The reference edge for period jitter is the previous leading edge. That for

delay jitter is the leading edge of the trigger output. Width jitter is the

stability of the trailing edge with regard to the leading edge.

Stability

Long-term average instability over a specific time, for example, hour,

year. Jitter is excluded.

Pulse Levels

Pulse output is specified as pulse top and pulse base (usually referred to

as high level and low level), or as peak to peak amplitude and median

offset. A “window” specification shows the limits within which the pulse

can be positioned.

Window

Max

High

Level

Min

Low

Level

Amplitude

Zero Volts

Median

Offset

High Level

Low Level

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Agilent Technologies 222A Instrukcja Obsługi Strona 109