Keysight Technologies C Series User Manual page 152

Fieldfox analyzers

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)FUTURE

SA Mode Settings

— Then choose from the following:

Integration BW (IBW) is coupled to the Frequency Span setting. Frequency

Span is 50% wider than the IBW (e.g., if the IBW value is 1 MHz, then the

Frequency Span value is 1.5 MHz).

Integration BW (IBW) is coupled to the Frequency Span setting. Frequency

Span is 50% wider than the IBW (e.g., if the IBW value is 1 MHz, then the

Frequency Span value is 1.5 MHz).

— Follow each of these by entering a value using the numeric keypad, the

— When using the arrows

— After using the keypad, select a multiplier key. Learn more in

Two more ways to change the frequency range

— Press Freq/Dist

— Then choose from the following:

When in full span, ADC dither raises the noise floor at the edges of the

of entering frequency range. Enter the frequency of interest. The

Center frequency is at the exact center of the X-axis. The Frequency

Span places half of the frequency range on either side of center.

When the Center and Frequency Span values are entered, then the

X-axis annotation on the screen shows the Center and Span

frequencies.

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.

, or the rotary knob.

arrows is based on the current span. This can be changed in SA Mode. See

"How to change frequency step size" on page 153

Abbreviations" on page

—Zero/Last Span

Each key press toggles the frequency span between

0 Hz and the last specified frequency span. Learn more about Zero

"Zero Span Measurements" on page

Selects the entire frequency span of the FieldFox. The

Center frequency is set automatically.

frequencies. This is the most common method

, press Enter. The increment setting of the

Keysight N9915-90020 User's Guide

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