Rohde & Schwarz ZVB 4 - Checking the DC Measurement Inputs

R&S ZVB Performance Test
1145.1078.82 1.15 E–4
Checking the DC Measurement Inputs
Test equipment:
DC Power Supply NGSM 32/10 (see Chapter “Test Equipment“, Item9)
Multimeter R&S URE3
(see Chapter “Test Equipment“, Item10)
DC cable
(see Chapter “Test Equipment“, Item11)
Test setup: Connect the Power Supply to the Input DC MEAS 1V (DC MEAS 10V) of
the R&S ZVB using the DC cable.
R&S
®
ZVB settings:
– [ Preset ]
For DC Meas 1 V:
– [ Meas : More : DC Inputs : DC Meas ±1 V]
– [ Format : Real]
– [ Scale : Scale/Div : .25 x1]
– [ Marker ]
For DC Meas 10 V:
– [ Meas : More : DC Inputs : DC Meas ±10 V]
– [ Format : Real]
– [ Scale : Scale/Div : 2.5 x1]
– [ Marker ]
Measurement:
Set Power Supply to DC values U
DC
using Multimeter R&S URE (DC
values see Performance Test Report) and connect it to pos. and neg.
input.
Read off the DC level U
DC ZVB
indicated by the marker.
Calculation:
Deviation = U
DC
– U
DC ZVB