Making Spectrum Analyzer Measurements - Anritsu MS2024A/MS2026A User Manual

4-3 Making Spectrum Analyzer Measurements

4-3 Making Spectrum Analyzer Measurements
Required Equipment
• Anritsu MS203xA VNA Master
• Optionally, an antenna that is appropriate for the frequency range to be
measured
Making a Measurement
To make a measurement, locate and display the signals of interest by selecting the desired
frequency, span, and amplitude value, as explained below.
In most cases, information and parameters can be entered into the VNA Master
through the keypad, the directional arrows, or the rotary knob. The numerical
keypad enters the information directly. The up and down arrow keys change a
frequency parameter by the value entered through the
Note
value is 1 MHz). The left and right arrow keys change the frequency parameter by
one graticule, that is, one-tenth of the total span. The rotary knob changes the
frequency parameter by one pixel per step. Choose whichever method is most
convenient to enter the required information.
1. Connect the input signal or antenna to the
Set the Frequency
2. Press the
Freq
set using 3., 4., or 5., below.
3. To enter a center frequency, select the
frequency.
4. To set a specific frequency band, select the
frequency, then select the
Set the Span
5. To set the span, press the
full span, select the
set Start and Stop frequencies. For a single frequency measurement, select the
soft key.
Span
To quickly move the span value up or down, select the
Note soft keys. These keys facilitate a zoom-in, zoom-out feature in a 1-2-5
1-2-5
sequence.
Set the Amplitude
6. Press the
Amplitude
7. Press the
Reference Level
the reference level. Press
4-2
key to display the Frequency menu. The measurement frequency can be
Stop Freq
key to display the Span menu and enter the span. For a
Span
soft key. Selecting a full span will override any previously
Full Span
key.
soft key and use the
to set the reference level.
Enter
test port.
RF In
soft key and enter the desired center
Center Freq
soft key and enter the desired start
Start Freq
soft key and enter the desired stop frequency.
arrow keys or the keypad to set
Up/Down
MS20xxA VNA Master UG 10580-00166 Rev. C
Chapter 4 — Spectrum Analyzer
soft key (default
Freq Step
or
Span Up 1-2-5 Span Down
Zero