Test 2-2: Dc Accuracy; Description; Equipment Setup; Test Procedure - Keysight Technologies E1445A Service Manual

Test 2-2: DC Accuracy

Test 2-2: DC Accuracy

Description

The purpose of this test is to verify that the AFG meets its specifications for DC
accuracy.

Equipment Setup

Test Procedure

1 Reset the AFG:
2 Set up the AFG to output a DC signal:
Perform steps 3 - 5 for each amplitude listed in Table 2-2:
3 Set up the AFG output filter as specified in Table 2-2. Use the appropriate
4 Set the AFG output amplitude:
5 Trigger the DMM and record the reading.
Keysight E1445A Arbitrary Function Generator Service Guide
– Connect equipment as shown in Figure 2-5
– Set DMM to DCV, autorange
*RST;*CLS
FUNC DC;
:OUTP:LOAD INF;
:VOLT MAX
command(s) below:
OUTP:FILT OFF
or
OUTP:FILT:FREQ 250KHZ
OUTP:FILT ON
or
OUTP:FILT:FREQ 10MHZ
OUTP:FILT ON
VOLT <amplitude>
where <amplitude> is the value specified in Table 2-2.
Reset AFG and clear status registers
Select DC waveform
Infinite load
Set amplitude
Disable filter
Select 250 kHz filter
Enable filter
Select 10 MHz filter
Enable filter
Set amplitude
Verification Tests
41