Rigol DG4000 Series

RIGOL Chapter 2 Performance Verification Test
2-6 DG4000 Performance Verification Guide
DC Offset Accuracy Test
Specification:
Output Characteristics
Offset (into 50 Ω)
Accuracy ±(1% of setting + 5mV + 0.5% of amplitude)
Test Procedures:
1. Make sure that DG4000 has been warmed up for 30 minutes. Connect the 50Ω
load to the channel output terminal (take CH1 as an example; the test method is
also applicable to CH2) of DG4000; connect the 50Ω load and the voltage input
terminals of the digital multimeter using the BNC - dual banana cable as shown
in Figure 2-2.
2. Press Preset at the front panel of DG4000 to restore the instrument to its
default setting. Select DC voltage (DCV) measurement function for digital
multimeter (DMM) and set the range to 20 V.
3. Configure DG4000: the output impedance of the channel tested is 50 Ω (press
Utility  CH1Set  Resi and select “Load”); the output is a sine waveform
with 1 kHz frequency, 0 V
DC
offset and 5 Vpp amplitude. Press Output1 to
enable the channel output.
4. Record the reading of the DMM and check if the reading exceeds the range listed
in the Limit of Actual Offset in Table 2-2.
5. Keep other settings of DG4000 unchanged, set the offset to -2.5 V
DC
, -1 V
DC
,
-500 mV
DC
, 500 mV
DC
, 1 V
DC
and 2.5 V
DC
respectively, record the readings of the
DMM and check if the readings exceed the ranges listed in the Limit of Actual
Offset in Table 2-2.