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50
Supplemental Characteristics
Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of
typical performance determined either by design or type testing.
Table A-2. Supplemental Characteristics
Parameter HP 6631B HP 6632B
HP 66332A
HP 6633B HP 6634B
Input Ratings
(at full load)
100 Vac mains:
115 Vac mains:
220 Vac mains:
230 Vac mains:
87−106 Vac, 47−63 Hz, 3.5 A, 250 W
104−127 Vac, 47−63 Hz, 3 A, 250 W
191−233 Vac, 47−63 Hz, 1.6 A, 250 W
207−253 Vac, 47−63 Hz, 1.5 A, 250 W
Output Programming
Range
Voltage:
Current:
OVP:
0-8.190 V
0-10.237A
0-12V
0−20.475 V
0−5.1188 A
0−22 V
0−51.188 V
0−2.0475 A
0−55 V
0−102.38 V
0−1.0238 A
0−110 V
Average Programming
Resolution
Voltage:
Current:
OVP:
2 mV
2.5 mA
60 mV
5 mV
1.25 mA
100 mV
12.5 mV
0.5 mA
250 mV
25 mV
0.25 mA
500 mV
OVP Accuracy
2.4% + 100 mV 2.4% + 240 mV 2.4% + 600 mV 2.4% + 1.2 V
Maximum Current
Measurement
14.3 A 6.66 A 2.43 A 1.21 A
Average Current
Measurement Resolution
High Range:
Low Range:
436 uA
0.6 uA
213 µA
0.6 µA
74 µA
0.6 µA
37 µA
0.6 µA
Sink Current
-10 A
−5 A −2 A −1 A
Sink Current Tracking
SCPI mode
1
:
Compatibility mode:
0.4% + 4 mA
-500 mA
0.4% + 2 mA
−250 mA
0.4% + 1 mA
−100 mA
0.4% + 0.5 mA
−50 mA
Minimum Current in
Compatibility Mode
40 mA 20 mA 8 mA 4 mA
Programming Accuracy
Temperature Coefficient
(change/°C)
Voltage:
Current:
OVP:
0.01% + 0.15 mV
0.01% + 60 uA
0.01% + 2 mV
0.01% +0.25 mV
0.01% + 30 µA
0.015% + 4 mV
0.01% + 0.5 mV
0.01% + 12 µA
0.015% + 10 mV
0.01% + 1 mV
0.01% + 6 µA
0.015% + 20 mV
Readback Accuracy
Temperature Coefficient
(change/°C)
Voltage:
Current (ACDC):
Current (DC):
Current (Low range):
0.01% + 60 uV
0.05% + 320 uA
0.02% + 50uA
0.01% + 0.3 uA
0.01% + 150 µV
0.05% + 160 µA
0.02% + 25 µA
0.01% + 0.3 µA
0.01% + 500 µV
0.05% + 80 µA
0.02% + 10 µA
0.01% + 0.3 µA
0.01% + 750 µV
0.05% + 40 µA
0.02% + 5 µA
0.01% + 0.3 µA
Drift
2
Voltage:
Current:
0.01% + 0.25 mV
0.01% + 100uA
0.01% + 0.5 mV
0.01% + 50 µA
0.01% + 1 mV
0.01% + 20 µA
0.01% + 1 mV
0.01% + 10 µA
Output Voltage Rise/Fall
Time
Normal mode:
Fast mode:
2 ms
400 µs
(for a change from 10% to 90% or 90% to 10% of the total excursion)
Output Voltage Settling
Time
Normal mode:
Fast mode:
6 ms
2 ms
(to settle within 1 LSB or 0.025% times the rated voltage of the final value)
1
For 8 volt unit, between 0 and 10 mA, the sink current remains at –10 mA.
For 20 volt unit, between 0 and 5mA, the sink current remains at –5 mA.
For 50 volt unit, between 0 and 2.5 mA, the sink current remains at –2.5 mA.
For 100 volt unit, between 0 and 1.25 mA, the sink current remains at –1.25 mA.
2
Following a 30 minute warm-up, the change in output over 8 hours, under ambient temperature,
constant load, and line operating conditions.