Agilent Technologies 54641A Service Manual page 52

Figure 3-3
Oscilloscope
Calibrator
Digital
Multimeter
Testing Performance
To verify digital channel threshold accuracy
HP 34401A
BNC-Banana
cable
Setting Up Equipment and Test Fixture for the Threshold Test
01650-61607
Cable
D7 Thru D0
!
01660-63801
Test Fixture
42thresh2.cdr
Threshold