RIGOL
Chapter 2 Performance Verification Test
DG1000Z Performance Verification Guide
2-8
respectively and judge whether the readings are within the specification
(“Offset” in Table 2-2) range.
Table 2-2 Offset limits of DC offset accuracy test
Offset Setting
Value
Amplitude
Setting Value
Allowed Error
[1]
Offset
[2]
-2.5V
DC
5Vpp
±0.005V
DC
-2.505V
DC
to -2.495V
DC
-1V
DC
±0.020V
DC
-1.02V
DC
to -0.98V
DC
-500mV
DC
±0.025V
DC
-0.525V
DC
to -0.475V
DC
0V
DC
±0.030V
DC
-0.030V
DC
to 0.030V
DC
500mV
DC
±0.035V
DC
0.465V
DC
to 0.535V
DC
1V
DC
±0.040V
DC
0.96V
DC
to 1.04V
DC
2.5V
DC
±0.055V
DC
2.445V
DC
to 2.555V
DC
Note
[1]
: “Allowed Error” is calculated from the specification “± (1% of setting value + 5 mV + 0.5% of
amplitude)”.
Note
[2]
: Offset = offset setting value ± allowed error.
7.
Repeat steps 1 to 6 to test the DC offset accuracy of CH2 and record the test
results.
Test Record Form:
Offset
Setting
Value
Setting
Measurement
Value
Specification
Pass/Fail
-2.5V
DC
Frequency:
1kHz
Amplitude:
5Vpp
Impedance:
50Ω
-2.505V
DC
to -2.495V
DC
-1V
DC
-1.02V
DC
to -0.98V
DC
-500mV
DC
-0.525V
DC
to -0.475V
DC
0V
DC
-0.030V
DC
to 0.030V
DC
500mV
DC
0.465V
DC
to 0.535V
DC
1V
DC
0.96V
DC
to 1.04V
DC
2.5V
DC
2.445V
DC
to 2.555V
DC