4-17 Field Strength Chapter 4 — Spectrum Analyzer
4-16 MS20xxA VNA Master UG 10580-00166 Rev. C
4-17 Field Strength
Required Equipment
• Anritsu MS203xA VNA Master
• Portable Antenna for which antenna factors or antenna gain and bandwidth data
are available.
Procedure
1. Press the Shift key then the Measure key and press the Field Strength soft key.
2. Press the Antenna soft key and use the Up/Down arrow keys or the rotary knob to select
the desired antenna. Press the
Enter key to select.
3. Connect the antenna to the MS203xA.
4. Press the
Freq key, select the Center Freq soft key, and enter the center frequency.
5. Press the
Span key. Set the span wide enough to include the primary channel bandwidth
and upper and lower channel bandwidths.
6. Press the
BW key and verify that RBW Auto and VBW Auto are On.
7. To change the units of measurement, press the
Amplitude hard key, then press the Units
soft key and select
dBm, dBV, dBmV, or dBµV.
8. Select either the
Volts or Watts soft key, as required. The MS203xA automatically adjusts
the measurement by the antenna factors selected. Marker values will be displayed in
the same units as selected for the amplitude.
Note
Select an antenna from the standard list available in the MS203xA, or use the
Antenna Editor feature of Anritsu Master Software Tools to define a custom
antenna and upload the antenna information to the MS203xA antenna list.
10580-00166C.book Page 16 Thursday, February 21, 2008 12:52 PM
To Next Page