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Test & Measurement

 



 

 

Test & Measurement

Current
Radio Frequency Synthesizer Synchronizes the Output of all Onboard PLLs
Mouser Electronics, Inc., is now stocking the LMX2594 wideband PLLatinum radio frequency (RF) synthesizer from Texas Instruments (TI). Part of TI’s
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Date:
08/17/2017
Ultra-Wideband 3GHz to 20GHz Mixer Supports DC to 6GHz IF & 0dBm LO Drive
MILPITAS, CA & NORWOOD, MA - Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC5552, a double balanced mixer that features best-in-class wideband matching from 3GHz to 20GHz. The mixer can be used as an up- or downconverter. The LTC5552 is especially useful in
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Date:
08/15/2017
Just like every aspect of the electronics industry, rampant M&A activity has resulted in consolidation in the organizations offering test and measurement equipment. This is a sign of commoditization – the remaining players are operating in thinner margins. One of my good friends always says that in order
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Date:
08/15/2017

Power Systems Design (PSD) Hosted & Moderated a PCIM Europe Podium Session - A Special Report

Kevin Parmenter, PSD Contributor

Opening Statements by Panel Moderator: Kevin Parmenter, PSD Contributor It was my distinct pleasure to chair a podium session at PCIM in Nuremburg Germany in May. The subject of the session was enabling next generation
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Date:
08/11/2017
Essential Protection for Fire Alarm Systems

Figure 1. Structure of a fire alarm system whose network for the fire detectors is based on a double ring topology. The audible alarms (sounders), on the other hand, operate in a star network topology.

Office blocks, hotels, airports, shopping malls: Buildings designed for large numbers of people must be equipped with automatic fire alarm systems. These are complex systems consisting of sensors, actuators, power supplies and data transmission units. The individual fire detectors are generally linked over a
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Date:
08/11/2017
24 GHz Radar Solutions Enable New Contactless Sensors for Emerging Industrial Mass Market

Figure 1. Demorad 24 GHz radar platform solution.

24 GHz, silicon-based millimeter wave radar technology is enabling a new generation of real-world, no contact smart sensors that are increasingly being used in mass market applications such as automotive, UAVs/ drones, broad industrial, and consumer. These radar sensors provide real-time information
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Date:
08/11/2017
Why Brushed DC Motors Still Have a Role to Play in Modern Designs

Figure 1. A brushed DC motor in its very simplest form, using a permanent magnet for the stator field, safety pins as the brushes and a wire coil as the armature winding. It draws its power straight from a battery.

A brushed DC motor will start turning when you apply a DC power source to its brushes. These make contact with the commutator (part of the moving rotor) and cause a current to flow through it. The fixed part of the motor – the stator – provides the constant magnetic field that interacts with the current
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Date:
08/11/2017
Noise-Sensitive Applications Want Ultralow-Noise LDO Regulators

Figure 1. LT3045 Typical Application Schematic & Features

Linear regulators are integrated circuits that step a voltage down from a higher voltage to a lower voltage without the need of an inductor. The low dropout linear regulator (LDO) is a special type of linear regulator in which the dropout voltage – the differential between the input-to-output voltages needed
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Date:
08/10/2017
Accurate Power Measurement: The Key to Energy Efficiency

Figure 1. Streaming or averaging type instruments

In response to pressures to optimise energy efficiency throughout industry, a number of trends are emerging across the power landscape: · In the automotive sector, we are seeing increased electrification of the power train and the growing adoption of hybrid, electric, plug-in
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Date:
08/09/2017
When Li-ion batteries age, their performance drops. Current methods still require complex instrumented laboratory-based tests to determine how quickly and to which degree this occurs. In contrast, a procedure developed by Chemnitz University of Technology now enables quick and precise diagnosis. It ensures the
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Date:
08/09/2017
Probing Tips for High-Performance, Low-Power Circuits

Figure 1. Extending the frequency and voltage range of a probe requires a front-end network of resistors and capacitors.

Low-power circuits combine high speed and low-power consumption in a single component, presenting a number of probing and testing challenges. Since many low-power devices are also high-speed systems, there is a need to test and verify their performance. Testing the low-power components for compliance with industry
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Date:
08/09/2017
Precise Power Integrity Measurements

Figure 1. Power rail voltages and tolerances required by ICs continue to decrease. These dynamics challenge traditional oscilloscope measurement approaches as the noise of the scope and probe system impairs the ability to make accurate measurements of small signals.

Development teams face increasing power integrity challenges. FPGAs, ASICs, and standard components semiconductor devices continue to increase in gate count. Each of the millions of gates on an integrated circuit requires current to switch. As devices can consume tens of amps and total power must be managed,
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Date:
08/09/2017
Programmable DC Loads Support Testing of Large EV Battery Packs
Recent developments in electric vehicle designs are pushing power test equipment levels ever higher. To overcome range anxiety on the part of potential EV buyers, manufacturers are looking to increase battery capacity while at the same time improving electric drive train efficiencies. Both tactics require the
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Date:
08/08/2017
Benefits of Digital-Controlled Programmable AC Power Sources
Programmable AC and DC power sources have been widely used to implement and support a wide range of development and test applications where an engineer needs the ability to fully control voltage, frequency and current to the unit under test.  These programmable sources are used to simulate various power
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Date:
08/08/2017
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