Tektronix TDS6404, Service Manual, Page: 128 / 252

Performance Tests
4- 72
TDS6000 Series Service Manual
NOTE
. You just checked the trigger sensitivity. If desired, you may repeat steps 1
through 4c for the other channels (CH 2, CH 3, and CH 4).
5. Disconnect the hookup: Disconnect the cables and adapter from AUX IN and
the channel last tested.
Output Signal Checks
The procedure that follows checks those characteristics of the output signals that
are listed as checked under
Warranted Characteristics
in
Specifications.
The
oscilloscope outputs these signals at its front panel.
Equipment
required Two precision 50
Ω
coaxial cables (Item 4)
One calibration generator (Item 10)
Two SMA male-to-female BNC adapter (Item 19)
Prerequisites See page 4--17. Also, the oscilloscope must have passed Check DC
Voltage Measurement Accuracy on page 4--29.
1.
Install the test hookup and preset the instrument controls:
TDS6000 Series
50
Ω
Coaxial cables
To AUX OUT
Calibration
Generator
Figure 4- 28: Initial test hookup
a.
Hook up test-signal source 1 (See Figure 4--28):
H
Connect the standard amplitude output of a calibration generator
through a 50
Ω
precision coaxial cable to CH 3 through an adapter.
H
Set the calibration generator to output a 0.500 V square wave.
Check Outputs — CH 3
Signal Out and
Aux Trigger Out