High precision source and sink!
Due to their high accuracy and fast load recovery time, the R&S®NGL200 power supply series is perfect for challenging applications. Their two-quadrant architecture allows them to function both as a source and a sink to simulate batteries and loads. Their 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.
Key Facts
- Max. output power: 120 W
- Voltage per channel: 0 V to 20 V
- Max. current per channel: 6 A
- Load recovery time: < 30 µs
- Ripple and noise: < 500 µVrms / < 1 mArms
Features & Benefits
Two quadrants: operates as source and sink
The two-quadrant architecture of the power supplies allows them to function both as a source and a sink and simulate batteries or loads. The power supply automatically switches from source mode to sink mode. As soon as the externally applied voltage exceeds the set nominal voltage, current flows into the power supply. Here, channel 2 is operating as a load. This is indicated by a negative current reading;
Optimized fast load recovery time
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 µA to the ampere range without creating voltage drops or overshoots.
The R&S®NGL200 power supplies have a new circuit design that allows the user to determine how the power supply regulates load changes. The "Fast" default setting is optimized for speed, achieving recovery times of < 30 µs. Deactivating "Fast" slightly increases the recovery time, focusing on preventing overshoots.
Readings with up to 6½ digit resolution
With a resolution of up to 6½ digits when measuring voltage, current and power, the R&S®NGL200 power supplies are perfect for characterizing devices that have low power consumption in standby mode and high current in full load operation. The entire measuring range is covered without having to switch ranges. This results in faster measurements. In many cases, an additional digital multimeter is no longer necessary.
Minimum residual ripple and low noise
Advanced electronic circuitry is often very complex and sensitive to interference on the supply lines. In order to supply interference-free voltage to such sensitive DUTs, the power supplies must provide extremely stable output voltages and currents. All types of ripple and noise need to be avoided. The R&S®NGL200 power supplies have linear regulation and are ideal for sensitive DUTs.
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