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Content tagged with Test & Measurement
posted in December 2010
Get a clear view on LTE testing
RF & Microwave Designline Blog  
12/27/2010   6 comments
My contacts at Agilent just informed me of a special new site they've developed for LTE designers
Top 10 stories of 2010
Design How-To  
12/23/2010   4 comments
Here are the top 10 stories posted on Automotive Designline this year, as determined by your page views.
FMEA eases automotive ASIC design and deployment
Design How-To  
12/23/2010   3 comments
FMEA can be an overall development tool beyond its commonly accepted scope of reliability (design for production) and failure sensitivity (design for test).
Prism Sound adds Bluetooth support to audio tester
Product News  
12/22/2010   Post a comment
Prism Sound's dScope Series III audio analyzer has been upgraded so support audio streaming directly between test system and Bluetooth device, enabling real-time, closed-loop testing of Bluetooth audio systems.
Loudspeakers: Objective evaluations - Part 2: Measuring the essential properties of loudspeakers
Design How-To  
12/21/2010   4 comments
Part 2 of an excerpt from "Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms" answers the question "If we want to measure a loudspeaker, and from those measurements try to anticipate how it might sound in a room, what should we measure?"
Texas Instruments' TPS54618 step-down SWIFT DC/DC converter
Product News  
12/21/2010   Post a comment
This 6-A converter in a 3-mm x 3-mm QFN package achieves 95-percent power efficiency over full load.
Vishay's metal film resistors offer temp coefficients down to ± 5 ppm/°C
Product News  
12/21/2010   4 comments
Vishay Intertechnology, Inc. has introduced a surface-mount series of high-precision, high-stability metal film resistors in the 2012 and 4527 case sizes. The PSF resistors feature extremely low temperature coefficients down to ± 5 ppm/°C and tight tolerances to 0.01%
Narda rolls high speed switched BIT attenuator
Product News  
12/20/2010   Post a comment
Narda has launched the Model DA64-63B, a high-speed switched-bit 63-dB attenuator that operates from 2 to 6 GHz.
Evaluation platforms ease transition to MOST150
Design How-To  
12/17/2010   1 comment
Using twin evaluation platforms, Audi engineers tested all of the elements of the infotainment networking technology affected by the migration from MOST25 to MOST150.
RF testing – calibration is critical
Design How-To  
12/15/2010   2 comments
Designing and building an RF measurement system requires careful consideration. Howard Venning of Aspen Electronics provides some guidance.
Radar measurement comparison — swept and FFT-based signal analyzers
Design How-To  
12/15/2010   Post a comment
A review of several measurement approaches for characterizing the spectral content of low dutycycle, wideband radar signals.
Agilent intro's N5393C automated software for testing PCI Express 3.0 transmitter compliance
Product News  
12/14/2010   Post a comment
Agilent Technologies Inc. has released an automated compliance test package for PCI Express(PCIe) 3.0 physical-layer transmitter compliance testing that includes measurement support for the new PCIe 8-GT/s interface. The Agilent N5393C compliance test software for Infiniium 90000 Series oscilloscopes performs a wide range of oscilloscope-based tests for the PCIe 1.x, 2.x, and 3.0 standards.
Hardware and software considerations in secure passive immobilizer design
Design How-To  
12/10/2010   2 comments
While top level functionality of a vehicle immobilizer is simple to describe, the underlying technology is intriguing and sophisticated. This article discusses hardware and software aspects of vehicle immobilizer systems with emphasis on design and security considerations.
Danaher completes acquisition of Keithley Instruments
News & Analysis  
12/9/2010   2 comments
Aegean Acquisition Corp., an indirect wholly owned subsidiary of Danaher Corp., has been merged into Keithley Instruments Inc. following the merger agreement proposed on 29 Sept.
Picotest J2111A, J2120A, J2100A, J2101A, J2130A, signal injectors
Product News  
12/6/2010   Post a comment
Picotest recently released a signal injectors line aimed at improving voltage regulator, LDO, and power supply testing accuracy.
Solutions for nonlinear characterization of high-power amplifiers
Design How-To  
12/6/2010   4 comments
High-power RF amplifiers are used in telecommunications, biomedical, and military systems. With output power levels ranging up to 1 kW, these amplifiers are typically designed to operate near or into compression in order to provide the maximum output power possible. Designing high-power amplifiers requires a detailed analysis of its nonlinear behavior.
Two different ways of looking at noise figure
Design How-To  
12/6/2010   3 comments
Reducing receiver-contributed noise may be the least expensive route to take but may also be the most challenging for the designer who must develop a low-noise amplifier (LNA) at the front end of the receiver. For those designers, an accurate and repeatable method for measuring noise figure will be a necessity.
Conducted emissions--NOT
Engineering Investigations  
12/3/2010   9 comments
When a power supply fails conducted emissions tests, engineers must look beyond the obvious
Monitoring systems ensure Li-ion battery safety and efficiency
Design How-To  
12/2/2010   6 comments
Devices also maximize performance and capacity usage of EV and hybrid car batteries.
Exclusive! Driving Chevy's Volt
Automotive DesignLine Blog  
12/2/2010   21 comments
Here's what I learned—and what I didn't.
Facing the test challenges of a new generation of digital mobile standards
Blog  
12/1/2010   Post a comment
A new generation of standards will enable significant increases in performance that will pave the way for the mobile computing revolution, requiring new test & measurement tools to help engineers conquer the challenges facing them..


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