Keysight N9927-90001 User’s Guide                                                            119
Time Domain – Option 010
Gating
Trace 4 shows the frequency response with gating enabled.
How to make Time Domain Gating settings
—Press Measure Setup 4 
—Then Transform
—Then Gating
— Then choose from:
— On
 Gating is being performed.
— Off
 Gating is NOT being performed. 
Start, Stop, Center, and Span Gate Times
These settings specify the time in the trace to be gated (in or out). The gate 
times can be specified using either Start and Stop or Center and Span.
—Press Gating Start Stop
 
— A settings table appears that allows you to navigate and select the 
following settings. These settings are made exactly like those made on the 
Transform Settings table. Learn how in “Transform Settings Table” on 
page 112.
Gating Type
This setting defines the type of filtering that will be performed for the gating 
function. The gate start and stop flags on the display point toward the part of 
the trace you want to keep.
Choose from the following:
— Bandpass
 KEEPS the responses within the Gating Start and Stop times.
— Notch
 REMOVES the responses within the Gating Start and Stop times.