R&S®NRQ6 frequency selective power sensor

A milestone in power measurements

R&S®NRQ6 frequency selective power sensor, Front High

Key facts

Frequency selective power measurements from 50 MHz to 6 GHz
Power measurement range: -130 dBm to +20 dBm
100 MHz measurement bandwidth
I/Q data capturing for RF vector signal analysis
Phase coherent measurements for low-power modulated signals

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The new category of T&M devices

The R&S®NRQ6 combines the accuracy of a power meter with excellent dynamic range

The R&S®NRQ6 is based on receiver technology and can perform band-limited power measurements down to -130 dBm. The R&S®NRQ6 combines high-precision with high-speed measurements beyond the limits of currently available power meters. In addition to conventional continuous average measurements, the R&S®NRQ6 has a trace display function and also performs ACLR measurements. The optional R&S®NRQ6-K1 I/Q data interface, R&S®NRQ6-K2 power servoing and R&S®NRQ6-K3 phase coherent measurements options complete the R&S®NRQ6 as new category of test and measurment devices.

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Features & benefits

Diverse measurement functions

Precise and fast with receiver based architecture

Continuous average power measurements down to -130 dBm
I/Q data capturing for RF vector signal analysis
Phase coherent measurements
Trace measurements
ACLR measurements
Ultrafast triggered pulse measurements
RF power, EVM and phase measurements with one single instrument

**R&S®NRQ6 trace measurement on a pulsed signal**

Easy operation

Maximum performance in minimum form factor

Intuitive web GUI
Diverse autoset functions
Automatic frequency tracking
Spectrum display for signal check
Hardware interfaces for user convenience

**Signal check for a 20 MHz LTE signal**

I/Q data capturing

The R&S®NRQ6 as a standalone RF frontend

The R&S®NRQ6 can be used as a standalone RF frontend to capture vector-modulated I/Q signals. With the optional R&S®NRQ6-K1 I/Q data interface, captured I/Q data can be read out using SCPI commands. The data is demodulated and analyzed using external software, e.g. R&S®VSE. With the R&S®NRQ6 version 2.10 and the R&S®VSE version 1.70, direct data aquisition and control is possible.

**5G NR measurement with R&S®NRQ6 and R&S®VSE**

Fast power servoing with R&S®SGT100A

In component test applications non-linear characteristics of DUT´s make it difficult to set up a specific output power. The R&S®NRQ6-K2 power servoing option enables a dedicated serial communications channel over the trigger connectors between R&S®NRQ6 and R&S®SGT100A. The desired power will be set in several iterations and is finished typically in 1 ms to 1.5 ms.

**Power servoing with R&S®NRQ6 and R&S®SGT100A** - In the power servoing setup the R&S®NRQ6 can perform also power measurements without disconnecting, just by remote control commands.

Phase coherent measurements

Calibration of multiple active antenna modules for beamforming

The synchronous phase coherent measurements (option R&S®NRQ6-K3) are based on a primary/secondary relationship between two or more R&S NRQ6. The primary forwards the local oscillator signal (LO) and its clock signal (CLK) to the secondary(ies) and triggers the secondary(ies). The RF phases can be measured at up to 8 ports, where the typical uncertainty is only 0.1 degree at an power of -60 dBm.

**R&S®NRQ6 multichannel phase difference measurement** - Results of a measurement with one R&S®NRQ6 as primary (only used for distribution of TRG, CLK and LO signals) and eight R&S®NRQ6 as secondaries.

High measurement speed

Beyond limits of conventional diode power sensors

Every diode based power meter works without band limitation in the specified frequency range. Precise measurement of low-power signals requires averaging of multiple measurement samples and this increases the measurement time. The diode based power meter technology is mature, and therefore only limited product innovations are possible. The receiver technology based R&S®NRQ6 has significantly increased the measurement speed for low-power signals.

**Measurement time comparison for a CW signal** - With the R&S®NRQ6 the measurement time is reduced e.g. by a factor of ca. 20.000 in comparison to the NRP8S for a -50 dBm CW signal.

Available models

Models

Frequency range

Level range

Dynamic range (sensor dependent)

LAN interface

Connector type

R&S®NRQ6

Order number 1421.3509.02

Frequency range

50 MHz - 6 GHz

Level range

-130 dBm - +20 dBm

Dynamic range (sensor dependent)

up to 150 dBm (RBW dependent)

LAN interface

Connector type

N (m)

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Specifications

Frequency range
	50 MHz to 6.0 GHz
Impedance matching (SWR)
50 MHz to 100 MHz	<1.20
>100 MHz to 2.0 GHz	<1.13
>2.0 GHz to 6.0 GHz	<1.20
Power measurement range
dynamic range dependent on RBW (10 Hz to 400 MHz)	-130 dBm to +20 dBm
Damage level
max. average power	1 W (+30 dBm) continuous
max. peak envelope power	2 W (+33 dBm) for max. 1 µs
max. DC voltage	±20 V
RF input attenuation
	0 dB, 30 dB
Measurement subranges
RF input attenuation = 0 dB	-130 dBm to -10 dBm
RF input attenuation = 30 dB	-100 dBm to +20 dBm
Resolution bandwidth (RBW)
single-sideband (SSB) mode	10 Hz to 40 MHz
zero IF mode (RF input frequency ≥ 400 MHz)	50 MHz, 80 MHz, 100 MHz, 400 MHz
Acquisition
sample rate	119 MHz to 121 MHz
Displayed average noise level (DANL)
RF input attenuation = 0 dB
50 MHz to 100 MHz	< –148 dBm (1 Hz)
>100 MHz to 400 MHz	<-153 dBm (1 Hz)
>400 MHz to 2.4 GHz	<-156 dBm (1 Hz)
>2.4 GHz to 6.0 GHz	<-153 dBm (1 Hz)
RF input attenuation = 30 dB
50 MHz to 100 MHz	<-118 dBm (1 Hz)
>100 MHz to 400 MHz	<-123 dBm (1 Hz)
>400 MHz to 2.4 GHz	<-126 dBm (1 Hz)
>2.4 GHz to 6.0 GHz	<-121 dBm (1 Hz)
Uncertainty for absolute power measurements
RF input attenuation = 0 dB
50 MHz to 100 MHz	0.156 dB (operating temperature range +20 °C to +25 °C) 0.167 dB (operating temperature range +15 °C to +35 °C) 0.211 dB (operating temperature range 0 °C to +50 °C)
>100 MHz to 400 MHz	0.130 dB (operating temperature range +20 °C to +25 °C) 0.143 dB (operating temperature range +15 °C to +35 °C) 0.192 dB (operating temperature range 0 °C to +50 °C)
>400 MHz to 3 GHz	0.080 dB (operating temperature range +20 °C to +25 °C) 0.100 dB (operating temperature range +15 °C to +35 °C) 0.163 dB (operating temperature range 0 °C to +50 °C)
>3 GHz to 6 GHz	0.092 dB (operating temperature range +20 °C to +25 °C) 0.110 dB (operating temperature range +15 °C to +35 °C) 0.169 dB (operating temperature range 0 °C to +50 °C)
RF input attenuation = 30 dB
50 MHz to 100 MHz	0.176 dB (operating temperature range +20 °C to +25 °C) 0.189 dB (operating temperature range +15 °C to +35 °C) 0.237 dB (operating temperature range 0 °C to +50 °C)
>100 MHz to 400 MHz	0.147 dB (operating temperature range +20 °C to +25 °C) 0.162 dB (operating temperature range +15 °C to +35 °C) 0.216 dB (operating temperature range 0 °C to +50 °C)
>400 MHz to 3 GHz	0.093 dB (operating temperature range +20 °C to +25 °C) 0.114 dB (operating temperature range +15 °C to +35 °C) 0.183 dB (operating temperature range 0 °C to +50 °C)
>3 GHz to 6 GHz	0.105 dB (operating temperature range +20 °C to +25 °C) 0.125 dB (operating temperature range +15 °C to +35 °C) 0.190 dB (operating temperature range 0 °C to +50 °C)
Uncertainty for relative power measurements
between any two power levels
RF input attenuation = 0 dB
–60 dBm to –20 dBm	0.020 dB
RF input attenuation = 30 dB
–30 dBm to +10 dBm	0.020 dB