Tektronix TDS7054, Service Manual

Page: 126 / 254

Performance Tests
4- 66
TDS7104 & TDS7054 Service Manual
attenuator. See Figure 4--29. The 10X attenuator is optional if the SG503
is used.
TDS7000 oscilloscope
50
Ω
coaxial cable
Sine wave generator
Output
10X attenuator
Figure 4- 29: Initial test hookup
2. Confirm the trigger system is within time-accuracy limits for pulse-glitch or
pulse-width triggering (time range
≤
500 n s) :
a. Display the test signal: Set the output of the sine wave generator for a
100 MHz, five-division sine wave on screen. Press
PUSH TO
SET 50% .
b. Set the trigger mode: Press the Trigger MODE button to toggle it to
NORMAL
.
c. Set upper and lower limits that ensure triggering: See Figure 4--30.
H
Press the front-panel ADVANCED button and select the A Event
tab; then select width triggering by touching the
Width
button.