Iq Capture (Option 124/126) - Anritsu MS27200A Measurement Manual

3-12 Setting Up Advanced Measurements

IQ CAPTURE (Option 124/126)

To access IQ CAPTURE submenu go to MEASURE from main menu. Note that IQ capture submenu is only
available in instruments installed with options 124/126.
Figure 3-50. IQ CAPTURE Menu
3-64
START/STOP CAPTURE: Touch this button to execute an IQ capture. When a capture is
initiated, this button changes to STOP CAPTURE and can be touched to stop the
continuous captures. Note that the captured data will still be saved unless the CANCEL
SAVE button below is touched. Check the IQ status table at the bottom of the display.
CANCEL SAVE: This button appears after a capture has been initiated. Touch this
button to present a dialog that allows you the choice to cancel the IQ capture save and
discard the captured data, or to continue with the capture and save the data.
CAPTURE MODE: Selects the IQ capture mode:
• Single for a one-time capture to internal or external (USB) storage
• Continuous for capture to internal or external (USB) storage. Automatically
initiates a new capture once the previous capture is saved.
• Streaming for continuous IQ data streaming out of the Ethernet, USB, or Data Out
port (refer to "IQ STREAMING (Option 125/127)" on page
CAPTURE BW: IQ capture bandwidth is the frequency range of data to be collected for
the duration of the IQ length. IQ capture bandwidth and sampling rate are linked and are
selected from the same dialog.
SAMPLE RATE: Sets the IQ sampling rate of data to be collected for the duration of the
IQ length. IQ sampling rate and capture bandwidth are linked and are selected from the
same dialog.
CAPTURE LENGTH: Sets the duration of the waveform data capture. The maximum
allowable capture period is dependent on available space on the selected storage device.
TIMESTAMPS: Toggles data collection timestamps on or off.
IQ TRIGGER: Opens the
SAMPLE FORMAT: Sets the sampling bit format to one of the following options:
• 32-bit Float (IQ)
• 32-bit Int (IQ)
• 16-bit Int (IIQQ)
• 16-bit Int (IQIQ)
• 10-bit Int (IIIQQQ)
• 8-bit Int (IIIIQQQQ)
SAVE TO FILE: Toggles automatic or manual file saving. When set to manual, touch the
SAVE CAPTURE button to save the next completed IQ capture.
PN: 10580-00447 Rev. J
"IQ TRIGGER" on page
Spectrum Analyzer Measurements
3-66).
3-68.
Spectrum Analyzer MG