Tektronix LTA7P Series, Руководство по обслуживанию

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Adjustment/Verification Fixture Adjustment
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
5- 15
The following procedure adjusts the data pulse width.
Parameter tested Data Pulse Width
Equipment
Required Adjustment/verification fixture and power supply (item 2)
Oscilloscope (item 3)
Two 1 M
Ω
10X oscilloscope probe (item 4)
Shorting jumpers (item 14)
Prerequisites Warm-up time: 30 minutes for adjustment/verification fixture and test
equipment
1. Set up the oscilloscope by pressing Setup, and then press Factory Setup, and
then press OK Confirm Factory Init to return the oscilloscope to default
conditions.
2. Set up the oscilloscope as listed below.
a. Set up the CH1 Vertical menu as follows:
H
Coupling DC/50
Ω
H
Fine Scale 200 mV/div
H
Position --3.32 div
b. Set up the Horizontal menu as follows:
H
Time Base Main
H
Record Length 5000
H
Horizontal Scale Main Scale @ 1 ns/div
c. Set up the Trigger menu as follows:
H
Source CH1
H
Coupling DC
H
Slope +
H
Level 700 mV
H
Mode Normal
d.
Set up the Measure menu as follows:
H
Select Measurement for CH1 Measure
H
Gating Off
Data Pulse Width
Adjustment