Power sensor lined up for MWC 2018 debut

22nd February 2018
Posted By : Mick Elliott
Power sensor lined up for MWC 2018 debut

The R&S NRQ6 power sensor from Rohde & Schwarz operates in a frequency range from 50MHz to 6GHz. It can perform band-limited continuous average power measurements – i.e. measurements on a selected transmission channel – up to a signal bandwidth of 100MHz.

Band-limited power measurements can significantly reduce the noise component measured in the signal, allowing power to be measured down to −130dBm without sacrificing speed or accuracy.

In comparison, conventional diode power sensors reach their limits at around −70dBm due to the higher measured noise component.

The power sensor is controlled via a LAN web interface. Users can carry out continuous average power measurements, display traces to analyse pulsed signals, and perform ACLR measurements – a common mobile communications application.

Predefined filters, e.g. in accordance with 3GPP specifications such as LTE, are provided. Diverse autoset functions simplify operation.

For example, the measurement frequency and signal bandwidth can be determined and set automatically.

The R&S NRQ6 is based on an I/Q receiver and can be used as an RF frontend to capture I/Q signals. With the optional R&S NRQ6-K1 I/Q data interface, measured I/Q signals can be downloaded via LAN to a computer and analysed.

The R&S VSE vector signal explorer software from Rohde & Schwarz provides numerous measurement functions for vector signal analysis, such as EVM and ACLR.

The R&S NRQ6 frequency-selective power sensor provides a compact, single-device solution for calibrating transmitters.

Complex test setups involving a splitter and a spectrum analyzer are not required. Users can easily and precisely measure and calibrate the transmitter frequency response.

Thanks to the excellent linearity of 0.02dB across the entire dynamic range, it is also possible to calibrate power down to the lowest levels.

Rohde & Schwarz will be premiering the R&S NRQ6 frequency-selective power sensor at Mobile World Congress in Barcelona (hall 6, booth 6C40). The R&S NRQ6 will be available from Rohde & Schwarz in April 2018.

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