Rigol DSA1030, Руководство пользователя

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Front Panel Key Reference RIGOL
User’s Guide for DSA1000 Series 2-61
Table 2-40 Average number for OBW measurement
Parameter Explanation
Default 10
Range 1 to 1000
Unit N/A
Knob Step 1
Direction Key Step 1
2.
Avg Mode
Sets the Average operation to Exp or Repeat, the default is Exp.

In Exp mode, the result is from the exponent average calculation of the
current N (specified by Avg Num) measurements.

In Repeat mode, the result is the arithmetic average of the current N
(specified by Avg Num) measurements.
3. Max Hold
Enables or disables the Max Hold function, the default is Off.

Hold On: always displays the maximum measurement result.

Hold Off: displays the current measurement result.

This function and Avg Mode are mutually exclusive options, if you enable the
Max Hold, the Avg Mode will be disabled automatically.
4.
Span
Sets the frequency range of the integral operation. This value is equal to the span
of the analyzer, indicating the frequency range of sweep. Changing this
parameter may cause the span of the analyzer to change.
You can use the numeric keys, knob or direction keys to modify this parameter.
For more details, please refer to “Parameter Input”.
Table 2-41 The Span of OBW measurement
Parameter Explanation
Default 2 MHz
Range 100 Hz to 3 GHz
Unit GHz, MHz, kHz, Hz
Knob Step
Occupied BW Span /100, Min = 1Hz
Direction Key Step in 1, 1.5, 2, 3, 5, 7.5 sequence