Chapter 5
243
Making Measurements
Setting Up the Trigger and Making Measurements
5. M
a
king
Me
asur
eme
n
t
Trigger Source
The trigger source generates a cue signal that initiates a measurement process. Four types
of trigger sources are available as shown in Table 5-2.
Table 5-2
Trigger Sources
Trigger Sources
Function
Internal (
Internal
)
Uses a consecutive signal generated by the firmware as a
trigger source. Triggers are sent immediately following the
completion of each measurement.
External (
External
)
Uses the external trigger input terminal (BNC) as a trigger
source.
Manual (
Manual
)
A trigger is generated by pressing
-
Trigger
.
Bus (
Bus
)
A trigger is generated by executing a
*TRG
command.
Trigger Modes
You can set the trigger mode for each channel independently. This allows you to control the
operation of each channel after a trigger signal is detected by setting the channel’s status
with the trigger mode.
Table 5-3
Trigger mode
Trigger mode name
Function
Sweep stop (
Hold
)
The status (“Idle” status) in which the sweep is stopped. When
a trigger signal is detected, the sweep is not performed.
Single sweep (
Single
)
An “Initiate” status. When a trigger signal is detected, a sweep
is performed. After completion of the sweep, the “Idle” status
is activated.
Continuous sweep
(
Continuous
)
An “Initiate” status. When a trigger signal is detected, a sweep
is performed. After completion of the sweep, the “Initiate”
status is maintained. The sweep is repeated each time a trigger
signal is detected.
Setting Up the Trigger and Making Measurements
1. Selecting a Trigger Source
Follow the procedure below to select a trigger source.
Step 1.
Press
.
Step 2.
Press
Trigger Source
.
Summary of Contents for E5070B
Page 6: ......
Page 30: ...24 Contents ...
Page 34: ...28 Chapter1 Precautions Before contacting us ...
Page 286: ...280 Chapter6 Data Analysis Using the Equation Editor ...
Page 430: ...424 Chapter12 Optimizing Measurements Performing a Segment by Segment Sweep segment sweep ...
Page 538: ...532 Chapter15 Measurement Examples Executing Power Calibration ...
Page 634: ...628 AppendixB Troubleshooting Warning Message ...
Page 732: ...726 AppendixD Softkey Functions Trigger Menu ...
Page 740: ...734 AppendixE General Principles of Operation Data Processing ...
Page 760: ...754 AppendixF Replacing the 8753ES with the E5070B E5071B Comparing Functions ...