Agilent Technologies 54835A Service Manual page 47

Scale
2 V/div*
1 V/div
500 mV
200 mV
100 mV
50 mV
20 mV
10 mV
* only in 1 M Ω input
Below 10 mV/div expansion is used and full scale is defined as 80 mV. The ranges
from 2 to 9 mV/div are handled in firmware, and will be within specifications when the
10 mV/div range is within specifications.
Select Vavg from the Voltage submenu of the Measure menu. Ensure that Channel 1 is
8
selected in the Source dialog and click Close.
See figure 3-6.
Figure 3-6
Source Selection for Vavg Measurement
Select Channel 1 from the Setup menu.
9
Set the vertical scaling for Channel 1 to the volts/div value from the first row of the
10
table in step 7. Set the Offset value to the Position value from the first row of the same
table. Click Close.
See figure 3-7.
Offset Supply Tolerance
± 163.8 V
2.5 V 5 V
± 82 mV
2.5 V 5 V
± 41 mV
1.75 V 3.5 V
± 16.4 mV
700 mV 1.4 V
± 8.2 mV
350 mV 700 mV
± 4.1 mV
175 mV 350 mV
± 1.64 mV
70 mV 140 mV
± 0.819 mV
35 mV 70 mV
Select Channel 1 as the
source for the Vavg
measurement
Chapter 3: Testing Performance
To test voltage measurement accuracy
Limits
4.836 V to 5.164 V
4.918 to 5.082 V
3.459 to 3.541 V
1.384 to 1.416 V
691.8 mV to 708.2 mV
345.9 mV to 354.1 mV
138.36 mV to 141.64 mV
69.18 mV to 70.82 mV
3–9