Rigol DSA875 Instrukcja Użytkownika Pobierz pdf (Strona 127)

Chapter 2 Front Panel Operation RIGOL

User’s Guide for DSA800 Series

2-75

Table 2-51 Average Number for TOI Measurement

Parameter Description

Default 10

Range 1 to 1000

Unit N/A

Knob Step 1

Direction Key Step 1

2. Avg Mode

Set the average operation mode to “Exp” or “Repeat” and the default is “Exp”.

 When “Exp” is selected, the result is the exponential average of the

current N (N is specified in “Avg Num”) measurement results.

 When “Repeat” is selected, the result is the arithmetic average of the

current N (N is specified in “Avg Num”) measurement results.

3. Span

This span which is the same with the span of the analyzer is the frequency

range for sweep. Modifying this parameter will also change the span of the

analyzer. You can use the numeric keys, knob or direction keys to modify this

parameter.

Table 2-52 Span for TOI Measurement

Parameter Description

Default 2 MHz

Range 100 Hz to 7.5 GHz

Unit GHz, MHz, kHz, Hz

Knob Step TOI Distortion Span/100, the

minimum is 1 Hz

Direction Key Step in 1-1.5-2-3-5-7.5 sequence

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 234 235

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