User Manual

The Spectrum Application (RF Measurements)
R&S
®
FPL1000
377User Manual 1178.3370.02 ─ 03
"Auto Settings" are described in Chapter 7.8, "Adjusting Settings Automatically",
on page 418.
Signal Tracking is described in Chapter 7.4.3, "Keeping the Center Frequency Stable -
Signal Tracking", on page 379.
Center Frequency ...................................................................................................... 377
Span ...........................................................................................................................377
Start / Stop ................................................................................................................. 378
Full Span ....................................................................................................................378
Zero Span .................................................................................................................. 378
Last Span ...................................................................................................................378
Center Frequency Stepsize ........................................................................................378
Frequency Offset ........................................................................................................379
Center Frequency
Defines the center frequency of the signal in Hertz.
The allowed range of values for the center frequency depends on the frequency span.
span > 0: span
min
/2 ≤ f
center
≤ f
max
– span
min
/2
zero span: 0 Hz ≤ f
center
≤ f
max
f
max
and span
min
depend on the instrument and are specified in the data sheet.
Remote command:
[SENSe:]FREQuency:CENTer on page 642
Span
Defines the frequency span. The center frequency is kept constant. The following
range is allowed:
span = 0: 0 Hz
span >0:
span
min
≤ f
span
≤ f
max
Frequency and Span Configuration