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Introduction to the PXI Architecture


PXI systems provide high-performance modular instruments and other I/O modules with specialized synchronization and key software features for test and measurement applications from device validation to automated production test. For a high-level understanding of PXI, see the two images in Figure 1 that compare a PXI system’s chassis, controller, and PXI(e) peripheral modules to components of ... » read more

Controller Area Network (CAN) Overview


What is CAN? A controller area network (CAN) bus is a high-integrity serial bus system for networking intelligent devices. CAN busses and devices are common components in automotive and industrial systems. Using a CAN interface device, you can write LabVIEW applications to communicate with a CAN network. CAN History Bosch originally developed CAN in 1985 for in-vehicle networks.... » read more

Testing PAs under Digital Predistortion and Dynamic Power Supply Conditions


The power amplifier (PA) – as either a discrete component or part of an integrated front end module (FEM) – is one of the most integral RF integrated circuits (RFICs) in the modern radio. In this application note, you will learn different techniques for testing PAs through an interactive application note with multiple how-to videos. To address these linearity and efficiency requirements,... » read more

Fundamentals of Power Amplifier Testing


The power amplifier (PA) – as either a discrete component or part of an integrated front end module (FEM) – is one of the most integral RF integrated circuits (RFICs) in the modern radio. In this application note, you will learn the basics of testing RF PAs and FEMs through an interactive application note with multiple how-to videos. When characterizing the performance of an RF PA, engin... » read more

MIMO Application Framework


Massive MIMO is an exciting area of 5G wireless research. For next-generation wireless data networks, it promises significant gains that offer the ability to accommodate more users at higher data rates with better reliability while consuming less power. Using the NI Massive MIMO Software Architecture, researchers can build Massive MIMO testbeds to rapidly prototype large-scale antenna systems u... » read more

Application-Oriented Testing Of SiC Power Semiconductors


SiC (silicon carbide) has established itself as an important material in the semiconductor market because it has many outstanding properties. In comparison with silicon, SiC offers a higher electrical breakdown voltage, resulting in improved component performance and efficiency. It also allows for operation at higher temperatures, which makes heat dissipation easier and enables improved perform... » read more

Introduction To The NI mmWave Transceiver System Hardware


Wireless technology is everywhere. Every day more and more new wireless devices are being created and accessing today’s wireless networks, consuming more and more data. The number of new wireless devices continues to escalate and the amount of data consumed continues to grow at an exponential rate. In order to address the demand, new wireless technologies are being investigated to evolve the ... » read more

Advanced Features Of High-Speed Digital I/O Devices: Timing


In digital communication, timing is the most essential element. Any kind of violation to timing could cause you to transmit or receive incorrect data. As instruments and communication rates get faster, timing becomes even more vital, as even the smallest of changes in edges (in the pico-second range), could cause incorrect tests and communication failures. In the following paragraphs, discover ... » read more

Six Things You Need To Know About USB Instrument Control


With plug-and-play connectivity and the near ubiquity of USB ports on modern PCs and laptops, USB has become a popular choice for controlling stand-alone instrumentation. As more instrument manufacturers begin to include USB ports on their devices, it is important to understand several issues surrounding USB to ensure the longevity of your test system. To read more, click here. » read more

Selecting an Approach to Build Flexible, Cost-Effective ECU Production Test Systems


Electronic control units (ECUs) were invented in the 1970s. At that time, people needed to improve fuel economy due to the oil crisis, which meant finding a way to make engines run cleaner and pollute less. Engines used a mechanical device called a distributor to control spark timing and a carburetor to control the fuel mixture. This mechanical system had minimal tuning and adjustment capabilit... » read more

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