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Common Measurement Functions
FREQ Channel
Center Frequency Presets
The following table provides the Center Frequency Presets for the Spectrum Analyzer mode, and the
Max Freq, for the various frequency options:
Dependencies: The Center Frequency can be limited by Start or Stop Freq limits, if the Span
is so large that Start or Stop reach their limit.
Couplings: When operating in “swept span”, any value of the Center Frequency or Span
that is within the frequency range of the analyzer is allowed when the value is
being set through the front panel numeric key pad or the SCPI command. The
other parameter is forced to a different value if needed, to keep the Start and
the Stop Frequencies within the analyzer’s frequency range
Preset: Depends on instrument maximum frequency, mode, measurement, and
selected input.
See REF T_CF_CFPresets \h \*CHARFORMAT - and REF
T_RFCF_MoreInformation \h \*CHARFORMAT - and HYPERLINK \l
"T_ExtMixCF_MoreInformation" - and REF T_IQCF_MoreInformation \h
\*CHARFORMAT -.
State Saved: Saved in instrument state
Min: Depends on instrument maximum frequency, mode, measurement, and
selected input..
See “Center Frequency Presets” on page 907 and “RF Center Freq” on
page 909 and “I/Q Center Freq” on page 911.
Max: Depends on instrument maximum frequency, mode, measurement, and
selected input..
See “Center Frequency Presets” on page 907 and “RF Center Freq” on
page 909 and “I/Q Center Freq” on page 911.
Default Unit: Hz
Status Bits/OPC Dependencies: Non-overlapped
Initial S/W Revision: Prior to A.02.00
Freq Option CFafter
Mode Preset
Stop Freq
after Mode
Preset
Max Freq(can't
tune above)
503
(all but N9000A)
1.805 GHz 3.6 GHz 3.7 GHz
503
(N9000A)
1.505 GHz 3.0 GHz 3.08 GHz
507
(all but N9000A)
3.505 GHz 7.0 GHz 7.1 GHz
507
(N9000A)
3.755 GHz 7.5 GHz 7.58 GHz