Rigol DSA875 Instrukcja Użytkownika Pobierz pdf (Strona 115)

Chapter 2 Front Panel Operation RIGOL

User’s Guide for DSA800 Series

2-63

Table 2-38 Average Number for OBW 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. Max Hold

Enable or disable max hold and the default is “Off”.

 When Max Hold is enabled, each measurement result is compared with

the previous result and the maximum is displayed.

 When Max Hold is disabled, the current measurement result is displayed.

 Max Hold and average measurement mode are mutually exclusive and

average measurement mode will be automatically disabled when Max

Hold is enabled.

4. OBW Span

Set the frequency range of integration. This span which is the same with the

span of the analyzer is the frequency range for the 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.

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 234 235

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Rigol DSA875 Instrukcja Użytkownika Strona 115