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3-8
Testing Performance
To verify digital channel threshold accuracy
b Method 2 — Using the Test Fixture
Use the Agilent 01660-63801 Performance Verification Test Fixture and the
Agilent 01650-61607 cable, BNC Tee, and BNC cable to connect the digital
channels D0 - D15 to the oscilloscope calibrator. See figure 3-3.
Figure 3-3
Setting Up Equipment and Test Fixture for the Threshold Test
4 Use a BNC-banana cable to connect the multimeter to the other side of
the BNC Tee.
5 Connect the BNC Tee to the Channel 1 output of the calibrator as shown
in figure 3-2 and figure 3-3.
6 On the oscilloscope, press the D7 Thru D0 key, then press the Threshold
softkey.
Measu re time
Save/Recall
Entry
Mixed Signal Oscilloscope
16 CHANNEL 500 MSa/s
STORAGE
TRIGGER
HORIZONTAL
CHANNEL
INPUTS
Line
Time/Div
Select
Trigger out
!
Delay
Po si ti on
Ext trigg er in
!
!
thresh2.cdr
HP 34401A
01660-63801
Test Fixture
BNC-Banana
cable
01650-61607
Cable
Oscilloscope
Calibrator
Digital
Multimeter
service.book Page 8 Wednesday, December 18, 2002 8:35 AM