Tektronix TDS6404, Service Manual

Page: 102 / 252

Performance Tests
4- 46
TDS6000 Series Service Manual
Equipment
required One sine wave generator (Item 12)
Three precision 50
Ω
coaxial cables (Item 4)
One power divider (Item 14)
3 SMA female to female adapter connector (Item 17)
3 SMA male-to-female BNC adapter connector (Item 18)
Two SMA male-to-female BNC adapter (Item 19)
Prerequisites See page 4--17
STOP
. DO NOT use the vertical position knob to reposition any channel while
doing this check. To do so invalidates the test.
1. Install the test hookup and preset the instrument controls:
a.
Initialize the front panel: Press the
DEFAULT SETUP
button.
b. Modify the initialized front-panel control settings:
H
Do not adjust the vertical position of any channel during this
procedure.
H
Set the horizontal
SCALE
to 500 ps.
H
From the tool bar, touch Horiz and select the Acquisition tab.
H
Touch Average and set the number of averages to 16 .
c. Hook up the test-signal source:
H
Connect the sine wave output of a sine wave generator to a 50
Ω
precision coaxial cable followed by a power divider.
H
Connect the power divider to both CH 1 and CH 2 . See
Figure 4--16.
Check Delay Between
Channels