National Instruments has recently announced joint development on
load pull solutions from Anteverta
Microwave, Focus Microwaves, Maury Microwave and Mesuro. These load pull
solution vendors are combining their expertise with NI PXI hardware
and LabVIEW system design software to overcome the
increasingly difficult source and load pull characterization requirements
placed on microwave power amplifiers for aerospace and defense and wireless
infrastructure applications.
Load pull characterization is an essential
tool to increase the efficiency of power amplifiers. Due to time and cost,
vendors have historically performed load pull during design. Today, however,
the industry-leading speed and flexibility of a PXI-based system make it
possible to verify power amplifier performance during production test.
NI PXI is part of the LabVIEW reconfigurable
I/O (RIO) architecture, which includes the latest computing technologies, such
as multicore CPUs and FPGAs, and a single, common development language.
Anteverta Microwave, Focus Microwaves, Maury Microwave and Mesuro are using
this architecture, along with their unique approaches, to help their customers
simplify test and decrease time to market.
“The high-speed and modulated impedance capabilities we get from using the NI PXI form factor have helped us create a solution that is ideal for power amplifier characterization during development, pre-production and production testing,” Mauro Marchetti, Anteverta Microwave CEO said. “LabVIEW greatly simplifies the user-programmability of our system.”
“The high-speed and modulated impedance capabilities we get from using the NI PXI form factor have helped us create a solution that is ideal for power amplifier characterization during development, pre-production and production testing,” Mauro Marchetti, Anteverta Microwave CEO said. “LabVIEW greatly simplifies the user-programmability of our system.”
“Modular PXI products such as the NI vector
network analyzer simplify the load pull setup by merging all instruments into a
convenient low-cost chassis, which improves overall measurement speed and
usability,” Steve Dudkiewicz, director of marketing and business
development at Maury Microwave said. “The system guarantees
adaptability as new technologies and modulation schemes emerge because we can
add PXI modules ad hoc, and users can modify and script custom load pull
sequences using an NI open-source load pull toolkit in LabVIEW.”
“Using the latest generation of commercial
off-the-shelf NI PXI hardware in our RAPID load pull technique helps our
customers test significantly faster compared with traditional test
methodologies,” Simon Mathias, vice president of sales at Mesuro said.
“It was easy to embed customer-specific signal processing into the onboard
FPGA, further speeding up the system performance by using the embedded
processor. All this in combination with the PXI RF upconversion and
downconversion elements allows a smooth operation.”
“We are very excited to integrate NI PXI
modules into our load pull solutions,” Zacharia
Ouardirhi, general manager at Focus
Microwaves said. “They
are compact, fast, cost-effective, adaptable and accurate, and they will enable
many features that were previously available only to high-end and expensive
setups.”
The NI platform,
ecosystem and software-designed approach provide tremendous speed, accuracy and
flexibility benefits for RF, microwave and wireless applications. These providers and thousands of other organizations
are redefining RF and microwave instrumentation through open software and modular
hardware.
About National
Instruments
Since 1976, National Instruments (www.ni.com) has equipped
engineers and scientists with tools that accelerate productivity, innovation
and discovery. NI’s graphical system design approach to engineering provides an
integrated software and hardware platform that speeds the development of any
system needing measurement and control. The company’s long-term vision and
focus on improving society through its technology supports the success of its
customers, employees, suppliers and shareholders.
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