Performance Test Record - HP E1328A Service Manual

Performance
Test Record
NOTE
Chapter 4
150 PRINT TABXY(1,10),"New current output on Channel";Chan;" =
";Amps(Chan,I)*1.E + 3;"mA "
160 INPUT " Enter MEASURED current value (in mA) ",Meas(Chan,I)
170 GOSUB Accuracy
180 Accuracy: !
190 Acc(Chan,I) = .0035*ABS(Amps(Chan,I)) + 2.2665E-4
200 Llim(Chan,I) = Amps(Chan,I) - Acc(Chan,I)
210 Ulim(Chan,I) = Amps(Chan,I) + Acc(Chan,I)
220 IF Meas(Chan,I)*1.E-3 < (Chan,I) OR Meas(Chan,I)*1.E-3 >
Ulim(Chan,I) THEN
230 PRINT TABXY(1,9),"Test FAILED on Channel";Chan;"for
";Amps(Chan,I)*1.E + 3;"mA "
240 ELSE
250 PRINT TABXY(1,9),"Test PASSED on Channel";Chan;"for
";Amps(Chan,I)*1.E + 3;"mA "
260 END IF
270 NEXT I
280 NEXT Chan
290 PRINT TABXY(1,18),"Current Accuracy Tests Complete"
300 END
Table 4-2, Performance Test Record for the HP E1328A DAC, can be used
to record the results of each Operation Verification and Performance
Verification test for the HP E1328A DAC (this record can be copied if
desired). The record includes the DAC upper and lower limits, HP 3458A
measurement uncertainty, and the Test Accuracy Ratio (TAR) for the test.
The values for DAC accuracy, HP 3458A measurement uncertainty and
TAR in Table 4-2 assume the following conditions. If your test conditions
differ from these conditions, you will need to compute the appropriate
values.
Calibration ON state (CALx:STAT ON) for each channel
1 k load for voltage accuracy measurements
500 load for current accuracy measurements
Test temp ASSUMED to be 5° C different than cal temp
1-year specifications for DAC accuracy
1-year specifications for HP 3458A meas uncertainty
For the conditions listed, all Test Accuracy Ratios (TARs) exceed 4:1
Verification Tests 33