R&S®NGU source measure units

The top-class in supplying power

R&S®NGU source measure units
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R&S®NGU source measure units
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R&S®NGU source measure units
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R&S®NGU source measure units
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R&S®NGU source measure units
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R&S®NGU source measure units
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R&S®NGU source measure units, front view R&S®NGU source measure units, front view R&S®NGU source measure units, side view R&S®NGU source measure units, side view R&S®NGU source measure units, back view R&S®NGU source measure units, hero view

Key facts

  • Two/four quadrants: operates as source and sink
  • High speed data acquisition (FastLog function)
  • Voltage priority and current priority mode
  • High-capacitance mode
  • Fast load regulation

Starting at USD 7,250

  • 3 year warranty extension

The top-class in supplying power

Thanks to their extremely high accuracy and fast load recovery time, the R&S®NGU source measure units (SMU) are perfect for challenging applications. A special ammeter design is used to precisely measure current drains from nA to A in one pass – no need to make multiple measurement sweeps. The instruments’ short recovery times enable them to handle fast load changes that occur, for example, when mobile communications devices switch from sleep mode to transmit mode. With high speed data acquisition, every detail is detected down to 2 μs resolution. The R&S®NGU source measure units provide two- or four-quadrant architecture, allowing them to function both as a source and a sink.

Features & benefits

Two/four quadrants: operates as source and sink

Simulates batteries or loads

The two/four-quadrant architecture of these source measure units allows them to function both as a source and a sink and simulate batteries or loads. The SMU automatically switches from source mode to sink mode as soon as the externally applied voltage exceeds the set nominal voltage. With its four-quadrant architecture, the R&S®NGU401 can supply positive or negative voltages or currents and can act as a source or sink in both polarities.

Four-quadrant architecture of R&S®NGU401
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Four-quadrant architecture of R&S®NGU401

R&S®NGU supplies positive or negative voltages in source or sink mode.

High speed data acquisition

FastLog functionality

The R&S®NGU source measure units offer the FastLog function to capture voltage and current measurement results. This data can be stored on an external USB stor­age device or can be transferred to an external PC via USB or LAN. With an acquisition rate of up to 500 ksample/s, voltage and current results are available every 2 μs.

FastLog high speed data acquisition
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FastLog high speed data acquisition

The FastLog function follows voltage/current variations with a resolution of up to 2 μs.

Voltage priority and current priority mode

Optimized for voltage/curent regulation

In voltage priority mode, fast voltage regulation provides short recovery times of less than 30 μs. Current regulation is designed to be somewhat slower to avoid a tendency to oscillation. When precise and quick current regulation is desired, the R&S®NGU source measure units can be operated in current priority mode. Optimized for fast current regulation (load recovery time < 50 μs), this mode allows tasks such as LED testing, which are sensitive to even short current spikes.

Voltage/current priority mode
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Voltage/current priority mode

The standard mode provides fast voltage regulation with the risk of overshoots in current. The special mode fast and riskless current regulation.

High-capacitance mode

Compensate capacitors

Quite often in a typical measurement configuration, there is a capacitance at the input of the DUT. Connecting the power supply by leads results in a low pass behavior formed by the leads and the capacitance. Providing the high-capacitance mode, the R&S®NGU source measure units compensate the capacitance and display the current directly at the DUT.

Fast load regulation

Handles fast load changes

Consumer electronics such as mobile phones and IoT devices require very little power in sleep mode. However, the current increases abruptly as soon as the device switches to transmit mode. A power supply used to power such DUTs must be capable of handling load changes from a few nA to the ampere range without creating volt­age drops or overshoots.

Optimized load recovery time
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Optimized load recovery time

Power supplies often respond to load changes with overshoot and slow recovery times. The R&S®NGU soure measure units achieve recovery times of < 30 μs.

Available models

Available models
Models
Number of output channels
Max. output power
Output voltage per channel
Output current per channel
Starting at

R&S®NGU201

Order number 3639.3763.02

Number of output channels
1
Max. output power
60 W
Output voltage per channel
0 V to 20 V
Output current per channel
≤ 6 V: 8 A
> 6 V: 3 A
Starting at

R&S®NGU401

Order number 3639.3763.03

Number of output channels
1
Max. output power
60 W
Output voltage per channel
-20 V to +20 V
Output current per channel
≤ 6 V: ±8 A
> 6 V: ±3 A
Starting at

Available options

Hardware options
Product
Description
R&S®NGU-B105
R&S®NGU-B105

Order number 3661.0763.02

Description

IEEE-488 (GPIB) interface

Software options
Product
Description
R&S®NGU-K103
R&S®NGU-K103

Order number 3662.9335.02

Description

Digital trigger I/O

R&S®NGU-K104
R&S®NGU-K104

Order number 3663.0390.02

Description

Digital voltmeter function (R&S®NGU201 only)

R&S®NGU-K106
R&S®NGU-K106

Order number 3663.0625.02

Description

Battery simulation (R&S®NGU201 only)

General accessories
Product
Description
R&S®HZN96

Order number 3638.7813.02

Description

19'' rack adapter, 2HU

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