Specifications
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. 
42thresh2.cdr
HP 34401A
!
01660-63801 
Test Fixture
BNC-Banana 
cable
01650-61607 
Cable
Oscilloscope 
Calibrator
Digital 
Multimeter
service.book Page 8 Wednesday, August 28, 2002 3:25 PM










