Setting The Frequency Span - Span Key - Rohde & Schwarz R&S FSP Series Operating Manual

R&S FSP
TRACK BW The TRACK BW softkey defines the search bandwidth for signal tracking. The fre-
quency range is symmetrical with respect to the center frequency.
Remote command:
TRACK The TRACK THRESHOLD softkey defines the threshold value for signal detection.
THRESHOLD The value is always entered as an absolute level value.
Remote command:
SELECT TRACE The SELECT TRACE softkey selects the trace on which signal tracking is to be per-
formed.
Remote command:
4.5.2 Setting the Frequency Span – SPAN Key
The SPAN key opens a menu which offers various options for setting the span.
The entry of the span (SPAN MANUAL softkey) is automatically active for span > 0
Hz.
For span = 0 Hz the entry for sweep time (SWEEPTIME MANUAL) is automatically
active.
With two windows (SPLIT SCREEN) displayed at the same time, the input data
always refer to the window selected with the SCREEN A/B hotkey.
SPAN
SPAN MANUAL
SWEEPTIME MANUAL
FULL SPAN
ZERO SPAN
LAST SPAN
FREQ AXIS (LIN LOG)
SPAN The SPAN MANUAL softkey activates the window for manually entering the fre-
MANUAL quency span. The center frequency is kept constant.
Allowed range of span values:
•
•
f
span
minspan
f
max
Remote command:
SWEEPTIME The SWEEPTIME MANUAL softkey activates the window for entering the sweep
MANUAL time manually with Span = 0 Hz. The softkey is not available for Span > 0 Hz.
Remote command:
Operating Manual 1164.4556.12 - 06
for the time domain (span = 0): 0 Hz
and for the frequency domain (span >0): minspan ≤ f
frequency span
smallest selectable span (10 Hz)
max. frequency
CALC:MARK:FUNC:STR:BAND 10KHZ
CALC:MARK:FUNC:STR:THR -70DBM
CALC:MARK:FUNC:STR:TRAC 1
FREQ:SPAN 2GHz
SWE:TIME 10s
Instrument Functions
Analyzer Mode
≤ f
span max
4.13