Home > National Instruments introduces NI PXIe-5665 RF vector signal analysers

National Instruments introduces NI PXIe-5665 RF vector signal analysers

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article image NI PXIe-5665 vector signal analysers deliver quality RF performance
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National Instruments  recently introduced the NI PXIe-5665, a 3.6 GHz RF vector signal analyser (VSA) that delivers quality RF performance in a cost-effective PXI form factor. These new vector signal analysers feature phase noise, average noise level, amplitude accuracy and dynamic range.

The vector signal analyser’s PXI platform also facilitates peer-to-peer streaming including:

  • Flexible multiple input
  • Multiple output (MIMO) architecture for phase-coherent measurements; and
  • Offers measurement speeds that are at least five times faster than traditional rack-and-stack instruments
These points make the analyser ideal for demanding automated RF test applications.

The vector signal analyser combines the new NI PXIe-5603 downconverter with the new NI PXIe-5653 local oscillator synthesiser and the NI PXIe-5622, a 150 MS/s intermediate frequency (IF) digitiser. This combination creates an ideal solution for spectrum and wideband vector signal measurements over a frequency range from 20 Hz to 3.6 GHz with analysis bandwidths up to 50 MHz.

The new vector signal analyser also features a low phase noise of -129 dBc/Hz at a 10 kHz offset at 800 MHz, an average noise level of -165 dBm/Hz, a third-order intercept point of +24 dBm and absolute amplitude accuracy of ±0.10 dB.

For modulated signal analysis, the VSA’s unique onboard self-calibration tool makes it possible to achieve an IF amplitude response of ±0.15 dB and IF phase linearity of ±0.1 degree. This accuracy facilitates error vector magnitude performance of less than 0.21 percent for a 256-QAM signal. The VSA’s flexible, modular architecture expands to provide phase-coherent acquisition for MIMO test, as well as a 20 GHz/s scan rate and peer-to-peer streaming for efficient spectrum monitoring. Additionally, engineers can operate the NI PXIe-5665 using its RF list mode function to deterministically step through a user-defined set of RF configurations using internal timing or an external trigger to significantly reduce test time.

Because the NI PXIe-5665 joins a product line of more than 1,500 software-defined PXI modular instruments, engineers can mix and match the VSA with a variety of modules and control an entire automated test system with NI LabVIEW graphical system design software. This makes PXI systems ideal for a multitude of automated test applications.

Engineers also can fully take advantage of the VSA’s software-defined performance with RF software toolkits for LabVIEW, NI LabWindows\/CVI and .NET to test the latest RF and wireless communication standards including GSM/EDGE, WCDMA, LTE, WLAN and WiMAX.

More information on NI PXIe-5665 vector signal analysers is available from National Instruments.

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