LeCroy Waverunner2 LT262 Series, Service Manual

Page: 51 / 155

Rev. D Performance Verification 5-15
On line 2 : Measure mean of B
On line 3 : Measure mean of C
On line 4 : Measure mean of D
!
For the low sensitivities: 2 mV, 5 mV, 10 mV and 20 mV/div ., connect the test
equipment as shown in Figure 5-1.
Figure 5-1: DC 1M
Ω Ω Ω Ω
Accuracy Equipment Setup for 2,5,10 and 20 mV/div.
!
For 50 mv/div & 100 mV/div, connect the test equipment as shown in Figure 5-2.
!
For 5V/div, no attenuator is required, connect the test equipment as shown in
Figure 5-3.
Figure 5-2: DC 1M
Ω Ω Ω Ω
Accuracy Equipment Setup for 100 mV/div
Figure 5-3 : DC 1M
Ω Ω Ω Ω
Accuracy Equipment Setup for 5V/div.
!
For each DSO Volts/div , set the output of the external DC voltage reference
source as shown in Table 5, column PS output.
DC Power Supply
DMM
DC Power Supply
DMM
20 DB 20 DB
20db 20db
DC Power Supply
DMM
20 DB
20db