RF performance verification

RF performance verification

RF power amplifier performance verification

When designing and using an RF power amplifier in a dedicated application such as a 5G base station, the system requirements for RF performance concerning EVM, ACLR, linear range, harmonics and output power are given. However, compliance with system requirements needs to be ensured. Rohde & Schwarz test solutions consider aspects of beamforming, test speed, intermodulation, noise figure, digital pre-distortion (DPD) and more.

Related applications

RF port impedance verification

Well-matched RF ports are a crucial aspect to any RF system. Matched ports, for example, protect amplifier output ports from reflected power overload. This undesired reflected power could destroy the whole amplifier. Matched ports also maximize power transmission, effectively extending the battery life of wireless products such as those made for the internet of things (IoT).

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Verify beamformer ICs for phased array antennas

As carrier frequencies go up, antenna element dimensions shrink, leaving less room for the feed circuitry and putting on the pressure to reduce size. In order to narrow the beamwidth, the number of antenna elements in the phased array system is increasing.

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Testing a 24-28GHz Power Amplifier using the 5G New Radio Test Standard, Challenges and Results

Driven by a myriad of applications the ever-increasing demand for data on mobile networks means a part of the new 5G network is to be deployed at mmWave frequencies, with a 26 GHz pioneer band defined for the UK between 24.25 GHz and 27.5 GHz.

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Speed up amplifier measurements

Amplifier characterization during production and for design verification requires highly optimized measurement routines in order to maximize throughput. Amplifier output power must be adjusted to a target level.

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Intermodulation measurements on RF amplifiers

For a typical RF or microwave amplifier handling multiple carriers simultaneously, it is essential to know the limits of operation resulting from nonlinear effects in order to avoid degraded system level performance.

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RF/microwave DUT deembedding

Excellent realtime baseband performance in combination with ability to easily import the scattering parameters of an active/passive two-port interconnection network via s2p is an excellent qualification for RF / microwave DUT deembedding.

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Dynamic noise figure measurements

Noise figure is a common measurement to characterize the performance of a device. Measured or specified for a device it is a key parameter used by system designers as part of their link budget calculations for uplink and downlink transmission systems.

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Analyzing RF radar pulses with an oscilloscope

Analyzing RF pulses is a key aspect of pulsed radar applications, e.g. in air traffic control (ATC), and is essential to analyze the pulse envelope in the time domain because it contains important information needed to characterize the application.

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Iterative direct Digital pre-distortion (DPD)

In order to maintain signal quality, many transmitters employ digital predistortion (DPD). Implementing realtime DPD in a transmitter is a challenging task and often ends in PA models that are specific to the signal transmitted.

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NPR measurements on satellite signals

This application note provides information how to perform NPR measurements with spectrum analyzers. The R&S®FSW spectrum and signal analyzer offers an automated function for NPR measurements.

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K18D MATLAB Modeling Toolkit

Digital pre-distortion (DPD) is a common method to linearize the output signal of a power amplifier (PA), which is being operated in its non-linear operating range.

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Related products

R&S®FSWP phase noise analyzer and VCO tester

The R&S®FSWP phase noise analyzer and VCO tester combines extremely low‑noise internal sources and cross‑correlation technology, delivering extremely high sensitivity for phase noise measurements.

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R&S®ZNB vector network analyzers

Rohde & Schwarz sets new benchmarks with its R&S®ZNB family of vector network analyzers. These analyzers feature high measurement speed, outstanding precision and exceptional ease of operation.

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R&S®SMW200A vector signal generator

The R&S®SMW200A is the vector signal generator for demanding applications. Flexibility, performance and intuitive operation make it a perfect tool for generating complex, digitally modulated signals of high quality.

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R&S®FSW signal and spectrum analyzer

The high-performance R&S®FSW signal and spectrum analyzer helps engineers accomplish the most demanding tasks. Its wide internal analysis bandwidth allows the characterization of wideband components and communications systems.

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R&S®FPS signal and spectrum analyzer

The R&S®FPS is an exceptionally fast and compact signal and spectrum analyzer for high-performance results. In production and in monitoring systems, it requires only half of the size of traditional instruments.

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R&S®SGT100A SGMA vector RF source

The R&S®SGT100A is an RF vector signal generator with an integrated baseband generator. It has been optimized for use in production and automated applications, delivering fast test speed and a small form factor.

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R&S®RTP oscilloscope

The R&S®RTP high-performance oscilloscope combines high signal integrity with a fast acquisition rate. Customized frontend ASICs and realtime processing hardware enable accurate measurements with unprecedented speed in a compact form factor.

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R&S®RTO2000 oscilloscope

Offering bandwidths from 600 MHz to 6 GHz, RTO®2000 oscilloscopes excel at both time and frequency domain testing. Excellent signal fidelity, responsiveness of 1 million waveforms/sec and up to 16-bit vertical resolution let you measure quickly with confidence.

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Related solutions

RF & microwave component testing

Components need to address the challenging requirements of mobility, connectivity, highest data rates, robustness and power efficiency.

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Power amplifier efficiency optimization

While the target application dictates the RF requirements, efficiency and cost are the main differentiating factors for RF power amplifier solutions.

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Power electronics testing

The relevance of power electronics has changed from an undesired burden to a key differentiator in electronic systems and services.

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Related videos

High dynamic uninterrupted level sweep

R&S®SMA100B – High dynamic uninterrupted level sweep

This video shows how to profit from the high dynamic uninterrupted level sweep feature of the Rohde & Schwarz ® SMA100B for measuring gain transfer curves of amplifiers. This video shows the difference between traditional and modern concepts.

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Measuring harmonic distortion of high power amplifiers

R&S®SMA100B – Measuring harmonic distortion of high power amplifiers

This video shows how the R&S®SMA100B can provide ultra high output power signals with lowest harmonics at the same time. This industry leading performance is extremely beneficial when measuring harmonic distortion of high power amplifiers.

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Intermodulation Measurements on an Amplifier

Intermodulation measurements on an amplifier

This video shows how to use the R&S®ZNA to perform intermodulation measurements on devices under test, in this case an amplifier.

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FSW-K18 supports amplifier characterization with CW and modulated stimulus

R&S®FSW-K18 supports amplifier characterization with CW and modulated stimulus

The R&S®FSW signal and spectrum analyzer with the R&S®FSW-K18 amplifier measurement option and in combination with the R&S®SMW200A vector signal generator characterizes amplifiers and other two-port devices with any given stimulus.

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Noise Power Ratio measurements

Noise Power Ratio measurements

Convenient and easy way to measure NPR over a maximum of 25 notches

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NPR Measurements

NPR Measurements

With Rohde&Schwarz instruments like the R&S®SMW200A and the R&S®FSW realistic NPR measurements can be performed by using modulated signals.

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Spurious measurements

Spurious measurements

Fast and reliable detection of spurious emissions with R&S®FSW.

In order to measure the low levels of spurious emissions, it is often necessary to reduce the resolution bandwidth, which increases the measurement time.

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Automated cloud-based RF testing

Automated cloud-based RF testing presented at GSMA MWC 2018

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