A

SpecificationsSpecifications

Table A-1 lists the specifications of the dc source. Specifications are warranted over the ambient temperature range of 0 to 55 °C. Unless otherwise noted, specifications apply when measured at the rear terminals after a 30-minute warm-up period.

Table A-1. Performance Specifications

Parameter

 

 

HP 6631B

 

HP 6632B

 

HP 6633B

 

HP 6634B

 

 

 

 

 

 

 

HP 66332A

 

 

 

 

 

 

Output Ratings

Voltage:

0 − 8 V

 

 

0 − 20 V

 

0 − 50 V

 

0 − 100 V

 

 

 

Current:

0 − 10A

 

0 − 5A

 

 

0 − 2 A

 

 

0 − 1A

 

 

Programming Accuracy

Voltage:

0.05% + 5 mV

0.05% + 10 mV

0.05% + 20 mV

0.05% + 50 mV

± °

C)

+Current:

0.05% + 4 mA

0.05% + 2 mA

0.05% + 1 mA

0.05% + 0.5 mA

(@ 25C 5

 

 

 

 

 

 

 

 

 

 

 

 

 

DC Measurement

Voltage:

0.03% + 2 mV

0.03% + 3 mV

0.03% + 6 mV

0.03% + 12 mV

Accuracy

 

Low Current range

 

 

 

 

 

 

 

 

 

 

 

 

(via HP-IB or front panel

−

0.1% + 2.5

μ

1

0.1% + 2.5

μ

1

0.1% + 2.5

μ

1

0.1% + 2.5

μ

1

meters with respect to

20 mA to +20 mA:

 

A

 

A

 

A

 

A

High Current range

 

 

 

 

 

 

 

 

 

 

 

 

actual output at 25C

 

 

 

 

 

 

 

 

 

 

 

 

+20 mA to +rated I:

0.2% + 1 mA2

0.2% + 0.5 mA2

0.2% + 0.25 mA2

0.2% + 0.25 mA2

±5°C)

 

−20 mA to −rated I:

0.2% + 1.6 mA

0.2% + 1.1 mA

0.2% + 0.85 mA

0.2% + 0.85 mA

 

 

Ripple and Noise

Normal mode voltage

0.3 mV/3 mV3

0.3 mV/3 mV3

0.5 mV/3 mV3

0.5 mV/3 mV3

(in the range of 20 Hz to

(rms/p-p):

20 MHz with outputs

Fast mode voltage

 

 

 

 

 

 

 

 

 

 

 

 

ungrounded or with

(rms/p-p):

1 mV/10 mV

1 mV/10 mV

1 mV/15 mV

2 mV/25 mV

either terminal grounded)

Current (rms):

3 mA

 

 

2 mA

 

 

2 mA

 

 

2 mA

 

 

 

 

 

 

 

 

 

 

 

 

Load Regulation4

Voltage:

2 mV

 

 

2 mV

 

 

4 mV

 

 

5 mV

 

 

(change in output voltage

Current:

2 mA

 

 

1 mA

 

 

1 mA

 

 

1 mA

 

 

or current for any load

 

 

 

 

 

 

 

 

 

 

 

 

 

change within ratings)

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Regulation

Voltage:

0.5 mV

 

 

0.5 mV

 

 

1 mV

 

 

1 mV

 

 

(change in output voltage

Current:

1 mA

 

 

0.5 mA

 

 

0.25 mA

 

0.25 mA

 

or current for any line

 

 

 

 

 

 

 

 

 

 

 

 

 

change within ratings)

 

 

 

 

 

 

 

 

 

 

 

 

 

Transient Response

Normal mode:

< 100 μs

 

 

 

 

 

 

 

 

 

 

 

Time4

 

Fast mode:

< 50 μs

 

 

 

 

 

 

 

 

 

 

 

(for the output voltage to recover to its previous level within 0.1% of the voltage rating of the unit or 20 mV following a change in load current of up to 50% of the output current rating)

1This specification may degrade slightly when the unit is subjected to an RF field ≥3 V/meter.

2Applies in SCPI mode, with current detector set to DC. With current detector set to ACDC, accuracy is 0.2% + four times the fixed error value. In COMPatibility mode, accuracy is 0.2% + six times the fixed error value.

3For HP 6631B, 6632B, and 66332A (from 1 MHz to 20 MHz ) = 0.3mV/15mV; For HP 6633B and 6634B (from 1 MHz to 20 MHz ) = 0.5mV/15mV

4Applies at rear terminals with unit set to remote sensing and with sense terminals externally jumpered to their respective output terminals.