Description
Rohde and Schwarz NGU401COM – Four Quadrant Source Measure Unit with NGU-K103 Option (Digital I/O Ports)
- Four quadrant source measure unit
- Catalog number 3639.3763P99
- This version includes the NGU-K103 option (digital I/O Ports)
- Ideal for semiconductor testing
- Can act as bipolar power supply or bipolar electronic load
NGU series overview
A source measure unit (SMU) is an electronic instrument that is capable of both sourcing and measuring voltage and/or current at the same time with high precision. They typically provide source and sink capabilities (two-quadrant), some of them even span voltage and current across both positive and negative values (four-quadrant).
The R&S NGU series consists of the following:
- NGU201 two-quadrant source measure unit, a new member in the family of wireless communications test instruments
- NGU401 four-quadrant source measure unit, the semiconductor testing specialist
| NGU201 | NGU401 | |
| Quadrants | 2 | 4 |
| Output voltage | 0 V to 20 V | -20 V to +20 V |
| Max. output/sink power | 60 W | |
| Max. output/sink current | ≤ 6 V: 8 A; > 6 V: 3 A | |
| Load recovery time | < 30 μs | |
| Max. acquisition rate | 500 ksample/s | |
NGU401 – Four Quadrant SMU
The Rohde and Schwarz NGU401 source measure unit is the specialist for semiconductor testing. It is designed for general purpose applications that span many different industries and many different devices under test. The NGU401 source measure unit can act as bipolar power supply or bipolar electronic load.
Four quadrants: source or sink operation with arbitrary polarity
With its four-quadrant architecture, the NGU401 can supply positive or negative voltages or currents and can act as a source or sink in both polarities. This enables tasks such as measuring the forward and reverse characteristics of semiconductor devices in a single test operation without having to make changes to the circuit.
The power supply automatically switches from source mode to sink mode. When the applied external voltage exceeds the set output voltage, current flows into the device. This is indicated by the opposite sign for current measurement.
Modulation input
The NGU401 source measure unit provides a modulation input to connect an arbitrary generator, for instance.
The output follows the modulation input signal, enabling the instrument to act as an AC source or be used to simulate glitches or unstable conditions.
Readings with up to 6.5 digit resolution
With six measurement ranges for current and a resolution of up to 6.5 digits when measuring voltage, current and power, the R&S NGU source measure units are perfect for characterizing devices that go from extremely low power consumption to high currents in the ampere range. Using ammeters with feedback-amplifier technology improves accuracy and increases the sensitivity down to the nA range.
Optimized load recovery time
Under challenging load conditions, most power supplies respond with slow recovery times and overshoot. Specially developed circuits in the R&S NGU source measure units achieve a load recovery time of < 30 μs with minimal overshoot, making them perfect for supplying sensitive components with power.
Several models available
The Rohde and Schwarz NGU series is available in several variations of both two and four quadrant models. The following chart provides a brief overview of part numbers and the main differences.
| Model | Catalog | Description |
| NGU201 | 3639.3763.02 | Two quadrant SMU |
| NGU201-G | 3639.3763P22 | NGU201 with GPIB |
| NGU201COM | 3639.3763P98 | NGU201 with options K103, K104 and K106 |
| NGU401 | 3639.3763.03 | Four-Quadrant SMU |
| NGU401-G | 3639.3763P23 | NGU401 with GPIB |
| NGU401COM | 3639.3763P99 | NGU401 with option K103 |
There are also several options for this series:
- NGU-K103 – Digital I/O ports
- NGU-K104 – Digital voltage meter functionality (only for NGU201)
- NGU-K105 – IEEE-488 (GPIB) interface
- NGU-K106 – Battery Simulation (only for NGU201)
Switch and Semiconductor Test Systems/Source Measure Unit / SMU Template | |
|---|---|
| Number of Quadrants | Four |
| Number of Channels (SMU) | One |
| Max Current Source/Measure Range (SMU) | 8 A |
| Max Voltage Source/Measure Range | 20 V |
| Maximum Output Power | 60 Watts |
Product General Attributes | |
| Unique Features | Includes option NGU-K103 (digital I/O ports) |
| Shipping Weight | 18 LBS |
| ECCN Number | FREI-INLAND |
| Country of Origin | Czech Republic |
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