Test 2-2: DC Accuracy (cont’d)Test Procedure
(cont’d)
Table 2-2. DC Accuracy Test Points
Amplitude
(volts) Filter Test Limits
(volts)
10.2375
5.0
0.0
-5.0
-10.24
10.2375
-10.24
10.2375
-10.24
None
None
None
None
None
250 kHz
250 kHz
10 MHz
10 MHz
10.2375 ± 0.0512
5.0 ± 0.0355
0.0 ± 0.0205
-5.0 ± 0.0355
-10.24 ± 0.0512
10.2375 ± 0.0512
-10.24 ± 0.0512
10.2375 ± 0.0512
10.24 ± 0.0512
Example Program
This program performs the DC Accuracy test.
10! RE-STORE "DC_LEVELS"
20 DIM Vout(1:9),Filter(1:9 )
30 !
40 !---------- Set up I/O path and reset AFG -----------
50 ASSIGN @Afg TO 70910
60 OUTPUT @Afg;"*RST;*CLS" !Reset AFG
70 !
80 !---------- Ini tialize variables ----------
90 DATA 10.2375,5.0,0,-5.0,-10.24,10.2375,-10.24 ,10. 2375,-10.24
100 READ Vout(*)
110 !
120 DATA 0, 0,0,0,0,1,1,2,2
130 READ Filter(*)
140 !
150 !---------- Set u p D MM ----------
160 CLEAR SCREEN
170 PRINT "Set up DMM:"
180 PRINT
190 PRINT " Function -- DCV"
200 PRINT " Range -- AUTO"
210 PRINT
220 PRINT "Connect DMM HI and LO to AFG Outp ut."
230 DISP "Press ’Continue’ when ready"
240 PAUSE
250 CLEAR SCREEN