Specifications

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 66332A

HP 6633B

HP 6634B

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

± °

+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

meters with respect to

20 mA to +20 mA:

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

±5°C)

−20 mA to −rated I:

0.2% + 1.6 mA

0.2% + 1.1 mA

0.2% + 0.85 mA

Ripple and Noise

Normal mode voltage

0.3 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/15 mV

2 mV/25 mV

either terminal grounded)

Current (rms):

3 mA

2 mA

Load Regulation4

Voltage:

2 mV

4 mV

5 mV

(change in output voltage

Current:

2 mA

1 mA

or current for any load

change within ratings)

Line Regulation

Voltage:

0.5 mV

1 mV

(change in output voltage

Current:

1 mA

0.5 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.

6631B, 6633B, 6634B, 6632B specifications

The HP 6632B, 6634B, 6612B, and 6633B are high-performance programmable power supplies that have gained prominence in various testing and measurement applications. These models are part of the HP 6000 series, which is renowned for its reliability and versatility in providing precision power supply solutions.

The HP 6632B offers a dual-output capability, delivering up to 32 volts and 3 amps per channel. It is designed for applications requiring stable and accurate voltage and current supplies. With features like overvoltage protection and short-circuit protection, it ensures the safety of both the device under test and the power supply itself. The programmable voltage and current settings allow operators to automate their testing procedures, increasing efficiency.

The HP 6634B takes performance a step further with multiple outputs, providing up to 32 volts and 5 amps per channel. This model is particularly suited for applications requiring higher current, especially in battery testing and device characterization. The ability to program the device remotely adds an extra layer of usability, making it ideal for integration into automated testing environments.

The HP 6612B model is tailored for users who require a compact and portable power supply solution. It delivers up to 20 volts and 2 amps. Despite its smaller size, it retains essential features like programmable settings and fast transient response, making it suitable for both educational purposes and field testing scenarios.

For users looking for a versatile, multi-channel solution, the HP 6633B presents itself as an excellent choice. This model offers up to 32 volts and 5 amps across multiple outputs. It supports a wide range of programmable features and has an intuitive interface, making it user-friendly for both beginners and experienced engineers. The robust design of the 6633B ensures reliable performance in demanding environments.

All four models utilize advanced linear power supply technology that minimizes ripple and noise, which is critical for sensitive electronic components. Together, these power supplies provide professionals in research, manufacturing, and testing with the precision they need for their experiments and product developments. The combination of programmability, safety features, and high-performance specifications makes the HP 6632B, 6634B, 6612B, and 6633B essential tools for electronic engineers and technicians.