Tektronix TDS7054, Service Manual

Page: 136 / 254

Performance Tests
4- 76
TDS7104 & TDS7054 Service Manual
Check output
Figure 4- 34: Measurement of main trigger out limits
3. Confirm SIGNAL OUT is within limits for gain:
a. Measure gain:
H
Move the precision 50
Ω
cable from the AUX OUT BNC to the
SIGNAL OUT BNC.
H
Set Vertical SCALE to 100 mV.
H
Press PUSH TO SET 50% .
H
From the button bar, touch MEAS and select the Ampl tab.
H
Touch the Pk-Pk button.
H
Touch
Close
.
b.
Check against limits:
H
From the button bar, touch the Vert button. Touch the Termination
1 M
Ω
button.
H
CHECK that the readout Ch2 Pk-Pk is between 80 mV and 120 mV,
inclusive.
H
Enter the voltage on the test record.
H
From the button bar, touch the Vert button. Touch the Termination
50
Ω
button.
H
Touch Close .