Agilent Technologies 89410A Getting Started Manual page 27

5
Configure the display and the measurement:
Press [ ], [
Display 2 grids
Press [ ], [
B Measurement Data
Press [ ], [
Ref Lvl/Scale
Press [ ], [
Trigger trigger type
Press [ ], [
Time main length
6
Set up the time gating and examine the first burst:
Press [ ], [
Time gate on
Press [ ], [
ch1 gate dly
Rotate the knob until the gate is at each end of the first burst signal.
The display should now appear as shown to the left below.
7
Examine the second burst:
Rotate the knob until the gate is at each end of the second burst signal.
The display should now appear as shown to the right below.
Note that the [
Time
the knob in the Entry mode to move the gate by turning the knob.
Spectrum (top trace) of the burst is derived by gating the time signal (bottom trace).
The gate's delay and length are selected to encompass the burst signal (vertical
markers show gate position). Note existence of the first spectral component in
the left display and the existence of the other two components in the right display.
], [ ], [
more display setup grids off
], [ ] (toggle to
main time
], 50, [ ].
Y per div mV
], [ ].
internal source
], 32, [ ].
us
], [ ], 10, [ ].
gate length us
]
Marker|Entry
] menu must be displayed, the [
Using Gating to Characterize a Burst Signal
].
on a 2-channel analyzer).
ch1
] softkey active, and
gate delay
3-3