Sony Tektronix VX4792 User Manual page 264

WAVEFORM
OUTPUT
VX4792 User Manual
VX4792
Figure F-15: Pulse Response Initial Test Setup
b. Set oscilloscope controls:
Vertical
Coupling
Scale
Input impedance
Horizontal
Sweep
Trigger
Source
Coupling
Slope
Level
Mode
2. To set the VX4792 Arbitrary Waveform Generator controls and select the
waveform file, type:
IBWRTF CLK64.PAT <RETURN>
IBWRTF PULSE.CMD <RETURN>
3. Check pulse response at 0.5 V amplitude:
a. Check rise time: Check that the rise time of the waveform displayed on
the oscilloscope from the 10% point to the 90% point is 4 ns or less.
b. Check aberrations: Check that the aberrations of the displayed wave-
form are within 0.45 div.
Performance Verification
Oscilloscope
Ch 1 Input
CH1
DC
0.1 V/div
50 W
2 ns/div
CH1
DC
Positive
0 V
Auto
F-31