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NI offers faster download time

Posted: 21 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:rf signals? baseband signal? national instruments? pxi-5671? pxi-5441?

PXI-5671
The new PXI-5671 RF vector signal generator and NI PXI-5441 arbitrary waveform generator with onboard signal processing from National Instruments (NI) claim to enable engineers and scientists to generate RF and baseband signals more than 300 times faster.

"Customers benefit from the increase in signal generation speed due to the quadrature digital upconversion capability onboard the PXI-5671 and PXI-5441 modules," said Joseph Kovacs, NI RF product marketing manager. "Using this new technology, engineers can reduce their download and signal generation time from 180s to 0.5s."

The PXI-5671 module is a three-slot RF vector signal generator that delivers signal generation from 250kHz to 2.7GHz, 20MHz of real-time bandwidth and up to 512MB of memory. With the onboard digital upconverter on the module, engineers can achieve faster waveform download time or playback duration, explained NI. Engineers also can take advantage of the module's configurable signal processing parameters such as prefilter gain and offset, finite impulse response (FIR) filters, cascaded integrator-comb (CIC) filters, a numerically controlled oscillator (NCO), and IQ mixing.

PXI-5441

The PXI-5441 module, a 100MS/s arbitrary waveform generator for producing standard functions, arbitrary waveforms and waveform sequences, introduces onboard signal processing functionality. Onboard signal processing adds baseband interpolation/pulse shaping and quadrature digital upconversion capability for generating baseband I/Q and intermediate frequency (IF) signals up to 43MHz. According to NI, the PXI-5441 is the industry's first arbitrary waveform generator to combine these operating modes in a single module with instrument-quality analog specifications.

Both the PXI-5671 and PXI-5441 modules ship with the new NI Modulation Toolkit 3.0 for labview. In addition to its ability to rapidly prototype any standard-specific or custom digital communication system, the software now includes channel coding, channel equalization and channel models as well as new, easy-to-use pallet functions for ASK, PAM, AM-VSB and AM-SSB modulation formats.




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