A - Specifications

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 6633B

 

 

HP 6634B

 

 

 

 

 

HP 66332A

 

 

 

 

 

 

 

 

Input Ratings

100 Vac mains:

 

87− 106 Vac, 47− 63 Hz, 3.5 A, 250 W

 

 

 

(at full load)

115 Vac mains:

 

104− 127 Vac, 47− 63 Hz, 3 A, 250 W

 

 

 

 

220 Vac mains:

 

191− 233 Vac, 47− 63 Hz, 1.6 A, 250 W

 

 

 

 

230 Vac mains:

 

207− 253 Vac, 47− 63 Hz, 1.5 A, 250 W

 

 

 

 

 

 

 

 

 

Output Programming

Voltage:

0-8.190 V

0− 20.475 V

 

0− 51.188 V

0− 102.38 V

Range

Current:

0-10.237A

0− 5.1188 A

 

 

0− 2.0475 A

 

0− 1.0238 A

 

OVP:

0-12V

0− 22 V

 

 

0− 55 V

 

 

0− 110 V

 

Average Programming

Voltage:

2 mV

5 mV

 

 

12.5 mV

 

 

25 mV

 

 

Resolution

Current:

2.5 mA

1.25 mA

 

 

0.5 mA

 

 

0.25 mA

 

 

OVP:

60 mV

100 mV

 

 

250 mV

 

 

500 mV

 

 

 

 

 

 

 

 

 

 

 

 

OVP Accuracy

 

2.4% + 100 mV

2.4% + 240 mV

 

2.4% + 600 mV

2.4% + 1.2 V

Maximum Current

 

14.3 A

6.66 A

 

 

2.43 A

 

 

1.21 A

 

 

Measurement

 

 

 

 

 

 

 

 

 

 

 

Average Current

High Range:

436 uA

213 μA

 

 

74 μA

 

 

37 μA

 

 

Measurement Resolution

Low Range:

0.6 uA

μ

 

 

μ

 

 

μ

 

 

 

 

0.6 A

 

 

0.6 A

 

 

0.6 A

 

 

Sink Current

 

-10 A

− 5 A

 

 

− 2 A

 

 

− 1 A

 

 

Sink Current Tracking

SCPI mode1:

0.4% + 4 mA

0.4% + 2 mA

 

0.4% + 1 mA

0.4% + 0.5 mA

 

Compatibility mode:

-500 mA

− 250 mA

 

 

− 100 mA

 

− 50 mA

 

Minimum Current in

 

40 mA

20 mA

 

 

8 mA

 

 

4 mA

 

 

Compatibility Mode

 

 

 

 

 

 

 

 

 

 

 

Programming Accuracy

Voltage:

0.01% + 0.15 mV

0.01% +0.25 mV

 

0.01% + 0.5 mV

0.01% + 1 mV

Temperature Coefficient

Current:

0.01% + 60 uA

0.01% + 30 μA

 

0.01% + 12 μA

0.01% + 6 μA

(change/°C)

OVP:

0.01% + 2 mV

0.015% + 4 mV

 

0.015% + 10 mV

0.015% + 20 mV

Readback Accuracy

Voltage:

0.01% + 60 uV

0.01% + 150 μV

 

0.01% + 500 μV

0.01% + 750 μV

Temperature Coefficient

Current (ACDC):

0.05% + 320 uA

μ

 

0.05% + 80

μ

A

0.05% + 40

μ

(change/°C)

Current (DC):

0.02% + 50uA

0.05% + 160

A

 

 

 

A

μ

A

 

0.02% + 10

μ

A

0.02% + 5

μ

A

 

Current (Low range):

0.01% + 0.3 uA

0.02% + 25

 

 

 

 

0.01% + 0.3 μA

 

0.01% + 0.3 μA

0.01% + 0.3 μA

 

 

 

 

Drift2

Voltage:

0.01% + 0.25 mV

0.01% + 0.5 mV

 

0.01% + 1 mV

0.01% + 1 mV

 

Current:

0.01% + 100uA

0.01% + 50 μA

 

0.01% + 20 μA

0.01% + 10 μA

Output Voltage Rise/Fall

Normal mode:

 

 

 

2 ms

 

 

 

 

 

Time

Fast mode:

 

 

 

400 μs

 

 

 

 

 

 

 

(for a change from 10% to 90% or 90% to 10% of the total excursion)

 

 

Output Voltage Settling

Normal mode:

 

 

 

6 ms

 

 

 

 

 

Time

Fast mode:

 

 

 

2 ms

 

 

 

 

 

 

 

(to settle within 1 LSB or 0.025% times the rated voltage of the final value)

 

 

1For 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.

2Following a 30 minute warm-up, the change in output over 8 hours, under ambient temperature, constant load, and line operating conditions.

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