Tektronix TDS7054, Service Manual

Page: 129 / 254

Performance Tests
TDS7104 & TDS7054 Service Manual
4- 69
Equipment
required One sine wave generator (Item 12)
Two precision 50
Ω
coaxial cables (Item 4)
One 50
Ω
terminator (Item 3)
One 10X attenuator (Item 1)
One BNC T connector (Item 6)
One 5X attenuator (Item 2)
Prerequisites See page 4--27.
1.
Install the test hookup and preset the instrument controls:
a.
Initialize the oscilloscope:
Press the DEFAULT SETUP button.
b. Modify the initialized front-panel control settings:
H
Set the Horizontal SCALE to 20 ns.
H
Press the Trigger MODE button to toggle it to Normal .
H
From the button bar, touch the Vert button. Touch the Termination
50
Ω
button.
H
From the tool bar, touch Horiz and select the Acquisition tab.
H
Touch Average and set the number of averages to 16 .
H
Touch the Equivalent Time ET button.
c. Hook up the test-signal source:
H
Connect the signal output of the generator to a BNC T connector.
Connect one output of the T connector to
CH 1 through a 50
Ω
precision coaxial cable. Connect the other output of the T connector
to the
AUX INPUT through a 50
Ω
precision coaxial cable and a
50
Ω
terminator. See Figure 4--31.
Check Sensitivity, Edge
Trigger, DC Coupled