Scale And Units - Keysight N9913A User Manual

RTSA (Real-Time Spectrum Analyzer) Mode—Option 350 (CPU2 Only)
RTSA Mode Settings
— Follow each of these, when prompted, by entering a value using the
— When using the
— After using the keypad, select a multiplier key. Learn more in

Scale and Units

Adjust the Y-axis scale to see the relevant portions of the data trace.
The Y-axis is divided into 10 graticules. A acquisition is shown on the screen as
a solid horizontal bar that can be placed at any graticule.
RTSA always uses logarithmic scale. The Y-axis reference line represents the
specified absolute acquisition (dBm). Y-axis graticules show dB below or above
the reference line.
When RF Attenuation set to Auto, the RF Attenuation is coupled to acquisition.
How to set Scale
Press Scale / Amptd. Then choose from the following:
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When the Center and Frequency Span values are entered, then the
X-axis annotation on the screen shows the Center and Span
frequencies.
—Start and Stop frequencies. Start is the beginning of the X-axis and
Stop is the end of the X-axis. When the Start and Stop frequencies
are entered, then the X-axis annotation on the screen shows the Start
and Stop frequencies.
— Optionally, press
——CF Step then type a step size value using the numeric keypad,
then select a multiplier key.
——Freq Annotation
AutoSelect
setting (CenterSpan or StartStop).
CenterSpan
StartStop
displayed.
——Full Span
numeric keypad, the
arrows is based on the current span. This can be changed in RTSA Mode.
Abbreviations" on page
More then:
and one of the following:
(Default) – The FieldFox selects a frequency annotation
-The center frequency and span are displayed.
- The start and stop frequencies of the frequency span are
the frequency span changes to 10 MHz.
arrows, or the rotary knob.
arrows, press Enter. The increment setting of the
41.
Keysight N9927-90001 User's Guide
"Multiplier