Chapter 4 — Spectrum Analyzer Commands 4-2 :CALCulate Subsystem
MS2720T PM PN: 10580-00341 Rev. C 4-3
:CALCulate:LIMit:ENVelope:CREate
Title: Create Limit Envelope
Description: Creates a limit envelope. This generates a limit line that formed a mask
just above or below the existing signals. Note that this command will
turn on the currently selected limit line if it is not already on. Use
:CALCulate:LIMit:TYPe to set the currently active limit line.
Example: To create a limit envelope:
:CALCulate:LIMit:ENVelope:CREate
Front Panel
Access: Shift-6 (Limit), Limit Envelope, Create Envelope
:CALCulate:LIMit:ENVelope:OFFSet <amplitude>
:CALCulate:LIMit:ENVelope:OFFSet?
Title: Limit Envelope Offset
Description: Sets limit envelope offset. This defines how far away from the measured
signal the active limit envelope is placed. Use :CALCulate:LIMit:TYPe
to set the currently active limit line.
Parameter: <amplitude>
Default Value: 3 dB for upper limit, –3 dB for lower limit
Default Unit: dB
Range: –100dB to 100dB
Example: To set the limit envelope offset to 5dB:
:CALCulate:LIMit:ENVelope:OFFSet 5
Front Panel
Access: Shift-6 (Limit), Limit Envelope, Upper Offset (If limit is toggled to
Upper)
Shift-6 (Limit), Limit Envelope, Lower Offset (If limit is toggled to
Lower)
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