Scalable PXI microwave signal generator ranges to 44 GHz

June 08, 2017 //By Graham Prophet
Scalable PXI microwave signal generator ranges to 44 GHz
Keysight Technologies claims a first for its scalable PXIe microwave signal generator with frequency coverage up to 44 GHz, and modulation bandwidth up to 1 GHz, for generating complex waveforms used in emerging 5G and aerospace and defence DVT wideband applications.

PXIe signal generator meets critical 1% EVM (error vector magnitude) and 1 GHz bandwidth requirements. Keysight’s DDS (direct digital synthesis) technology, with the synthesizer VCO provides excellent phase noise performance. When combined with the baseband performance, the M9383A PXIe signal generator delivers 1% EVM, a critical measure of 5G modulated signal performance, for 800 MHz wide pre-5G waveforms.


Engineers can now create Keysight-validated Verizon pre-5G standard (5GTF) compliant waveforms and 5G candidate waveforms, such as 8 x 100 MHz OFDM component carriers (CC), for the PXIe signal generator using Keysight’s Signal Studio or SystemVue software. The software also allows engineers to create custom waveforms for emerging wireless, 5G new radio (5G NR) and aerospace and defence applications.


The M9383A PXIe vector signal generator is integrated in Keysight’s 5G testbed reference solution, adopted by several 5G development teams working across the sub-6 GHz, 28 GHz, and 39 GHz bands.


“Wideband devices introduce new challenges in terms of signal quality, flatness and calibration,” said Ron Harrison, director of sales and marketing, Keysight Internet Infrastructure. “Working with key customers, we found the M9383A exhibits the performance and scalability needed for R&D to easily transition to DVT and manufacturing.”


In addition to offering size and test speed benefits, the PXIe signal generator is scalable and upgradable. Engineers can add channels to either vector or analogue configurations. Users also can upgrade frequency, bandwidth and other performance characteristics as signal standards evolve. Modulation bandwidths of up to 2 GHz are supported through external IQ inputs.


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