NI PXI-5670
NI PXI-5670
NI PXI-5670

NI PXIe-5673E | PXI Express RF Vector Signal Generator

  • Brand:​ National Instruments
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    Model:​ PXIe-5673E
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    Product Type:​ PXI Express RF Vector Signal Generator
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    Series:​ PXI Express
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    Core Function:​ Generates high-fidelity RF and microwave vector signals up to 20 GHz with wide instantaneous bandwidth.
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    Key Specs:​ 20 GHz frequency range, 1 GHz instantaneous bandwidth, 16-bit resolution.
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Part number: NI PXIe-5673E
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Description

PXIe-5673E: Product Overview
The National Instruments PXIe-5673E is an advanced PXI Express RF vector signal generator designed for demanding test applications requiring extended frequency coverage into the microwave range. This instrument extends signal generation capabilities to 20 GHz while providing an exceptional 1 GHz of instantaneous bandwidth, making it suitable for testing wideband microwave systems, satellite communications, and advanced radar systems. The module represents the high-end of NI’s signal generator portfolio, addressing applications that require both high frequency and wide instantaneous bandwidth.
Installed in a PXI Express chassis, the module functions as a complete signal generation solution for microwave frequencies, incorporating a high-speed arbitrary waveform generator, vector signal generator, and sophisticated upconversion stages. The architecture is optimized for generating complex modulated signals with high spectral purity at microwave frequencies, supporting advanced communications standards, electronic warfare applications, and radar system testing. The instrument maintains the signal quality and modulation capabilities of lower-frequency generators while extending operational range into K-band frequencies.

NI PXI-5670

NI PXI-5670

PXIe-5673E: Technical Specifications
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    Model Number:​ PXIe-5673E
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    Manufacturer:​ National Instruments
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    Product Type:​ PXI Express RF Vector Signal Generator
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    Frequency Range:​ 85 MHz to 20 GHz
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    Instantaneous Bandwidth:​ 1 GHz
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    Output Power Range:​ -130 dBm to +15 dBm
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    Resolution:​ 16 bits
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    Sample Rate:​ 1 GS/s
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    Spurious Emissions:​ < -55 dBc (typical)
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    Phase Noise:​ -110 dBc/Hz at 100 kHz offset (1 GHz carrier)
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    Harmonics:​ < -50 dBc (typical)
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    Frequency Accuracy:​ ±1 ppm
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    Modulation Formats:​ QPSK, QAM, OFDM, and custom modulations
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    Waveform Memory:​ 2 GB standard
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    I/Q Impairments:​ Programmable I/Q offset, gain, and phase imbalance
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    Interface:​ PXI Express x8
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    Reference Clock:​ 10 MHz input/output with phase synchronization
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    Operating Temperature:​ 0°C to 55°C
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    Power Consumption:​ 60W typical

    NI PXI-5670

    NI PXI-5670

Core Features & Customer Value
The PXIe-5673E delivers exceptional value through its combination of extended frequency range and ultra-wide instantaneous bandwidth. The 20 GHz maximum frequency enables testing of systems operating in Ku-band and K-band frequencies used for satellite communications, point-to-point radio links, and advanced radar systems. The 1 GHz instantaneous bandwidth supports generation of extremely wide signals required for testing modern electronic warfare systems, wideband satellite transponders, and advanced radar waveforms.
The instrument’s high sample rate and large waveform memory​ enable generation of long-duration complex signals without interruption, which is critical for radar range testing and communications system validation. The improved phase noise performance​ at higher frequencies ensures accurate characterization of receiver sensitivity and selectivity in presence of adjacent channel interference. The advanced synchronization capabilities​ allow precise phase alignment between multiple instruments for phased array system testing and MIMO applications.
Integration with the PXI Express platform​ provides the high data transfer rates necessary for streaming wideband waveform data to the instrument. The x8 PCI Express interface ensures that the large amount of data required for wideband signals can be transferred without bottlenecks, enabling continuous generation of complex waveforms.
Typical Applications
In satellite communication testing, the module generates uplink and downlink signals in Ku-band and K-band frequencies for testing high-throughput satellite systems and transponders.
For radar system testing, the instrument creates wideband pulsed waveforms with sophisticated modulation schemes including frequency-modulated continuous wave (FMCW) and phase-coded waveforms for evaluating modern radar systems.
In electronic warfare system testing, the generator produces complex threat scenarios and jamming signals with rapid frequency hopping and wide instantaneous bandwidth to evaluate electronic countermeasure systems.

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