Rohde & Schwarz SML01, Руководство по эксплуатации

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R&S®SML / R&S®SMV03 Sweep
1090.3123.12 E-6 4.49
Sweep
The R&S SML /R&S SMV03 features digital, step-by-step sweep for the following parameters:
RF frequency
LF frequency
RF level
A sweep is set in four basic steps, which are demonstrated by the following example, ie the setting of a
frequency sweep:
1. Set sweep range (Start Freq and Stop Freq or Center Freq and Span).
2. Select linear or logarithmic sweep (Spacing).
3. Select step size (Step Lin or Step Log) and dwell time (Dwell).
4. Switch on sweep (Mode set to Auto, Single, Step, Ext Single or Ext Step).
Setting the Sweep Range (Start Freq, Stop Freq, Center Freq, Span)
The sweep range for RF sweeps can be entered in two ways. Either the Start Freq and Stop Freq are
entered or Center Freq and Span. Please note that the two parameter sets mutually affect each other as
follows:
Start Freq altered:
Stop Freq = unaltered
Center Freq = (Start Freq + Stop Freq)/2
Span = (Stop Freq – Start Freq)
Stop Freq altered: Start Freq = unaltered
Center Freq = (Start Freq + Stop Freq)/2
Span = (Stop Freq – Start Freq)
Center Freq altered: Span = unaltered
Start Freq = (Center Freq – Span/2)
Stop Freq = (Center Freq + Span/2)
Span altered: Center Freq = unaltered
Start Freq = (Center Freq – Span/2)
Stop Freq = (Center Freq + Span/2)