Tektronix LTA7P Series, Руководство по обслуживанию

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Performance Verification: Ajustment/Verification Fixture
4- 32
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
Use the following procedure to verify the hold time.
Parameter tested Hold time
Equipment
required Oscilloscope (item 3)
2 DSO probes (item 4)
Custom probe tip adapter (see Figure 4--10, page 4--26)
Prerequisites Warm-up time: 30 minutes, adjustment/verification fixture and test
equipment
1. Set the jumper positions as listed in the table.
Jumper Jumper name Jumper setting
J13 P6434 Deskew/probe setup 1-3 and 5-6 connected
J15 Clock selection INT
J16 Deskew 1-2 and 4-5 connected
J17 Setup/hold select HOLD
J19 Clock polarity select Disconnected
2.
Set up the oscilloscope by pressing Setup, Factory Setup, and then OK
Confirm Factory Init to return the oscilloscope to default conditions.
3. 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 --3.00 div CH1
H
Position --3.32 div CH2
b. Set up the Horizontal menu as follows:
H
Time Base Main
H
Record Length 5000
H
Horizontal Scale Main Scale @ 2 ns/div
Verify Hold Clock Output
Timing