Tektronix TDS6404, Service Manual

Page: 106 / 252

Performance Tests
4- 50
TDS6000 Series Service Manual
Equipment
required One leveled sine-wave generator (Item 12)
One 2X attenuator (Item 26)
Four TCA-BNC adapters (Item 19)
Three 50
Ω
terminators (Item 3)
One 50
Ω
, precision coaxial cable (Item 4)
Prerequisites See page 4--17
TDS6000 Series
50
Ω
Coaxial cable
Output
Leveled
Sine Wave
Generator
2X Attenuator 50
Ω
Terminators
Figure 4- 18: Initial test hookup
1. Install the test hookup and preset the instrument controls:
a.
Initialize the oscilloscope:
Press the DEFAULT SETUP button.
b.
Modify the initialized control settings:
H
Turn on all vertical channels (press the Vertical button of any off
channels: CH 1, CH 2, CH 3, and CH 4).
H
Set the Horizontal SCALE to 1.25 ns .
H
Set the Vertical SCALE of CH 1, CH 2, CH 3, and CH 4 to
100 mV
.
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.
H
From the button bar, touch MEAS .
H
Touch the Source Channel 1 button.
Check Channel Isolation
(Crosstalk)