EE-Evaluation Engineering articles from November 2003

EE-Evaluation Engineering archives from November 2003

No more passwords.(Editorial)
November 1, 2003... You might think it somewhat odd that the Department of Defense recently purchased several hundred fingerprint recognition systems to enhance network security at its offices in Washington, D.C. Of course, the DoD already has a very sophisticated...

Embedded test solution streamlines SOC designs.(Product Briefing)
November 1, 2003... LV2004[TM] is a family of products that streamlines the integration of embedded test into SOC designs and enables test automation and access for design debug and manufacturing test and throughout the SOC life cycle on boards and in the field....

Technology reduces boundary scan development time.(Product Briefing)
November 1, 2003... TopCAT[TM] Topology and Cluster Analysis Technology is included in Version 3.3.2 of the ScanWorks boundary scan test and programming environment. It focuses on reducing development time with features that automate test generation. ...

Testers based on open-architecture platform.(Product Briefing)
November 1, 2003... The T2000 Series ATE based on the OPENSTAR[TM] platform tests systems-on-chip (SOCs) and other complex devices found in computer, communications, and consumer electronics products. The open, interoperatable architecture accommodates a range of...

DPO offers 4.25-Gb/s serial data analysis.(Product Briefing)
November 1, 2003... The TDS7704B 7-GHz Digital Phosphor Oscilloscope for 4.25-Gb/s serial data analysis features a true 7-GHz analog bandwidth rather than bandwidth extended by digital post-processing techniques. The input rise time is 43 ps, and delta-time...

Real-time solution eliminates coding and compiling.(Product Briefing)
November 1, 2003... DT Measure Foundry[TM]/RT-Streaming provides data to a host computer in real time controlled by a high-level PC application. It supplies access to the DT9841 Fulcrum[R] II Series DSP Data Acquisition Board as a new data source to stream...

Digital filter design: learn more about the role of DSP in digital filters for today's applications.(Data Acquisition)
November 1, 2003... Digital signal processors (DSPs) continue to receive a great deal of attention in new product design. For example, digital filter design reflects the importance of understanding and using this technology to provide precision, stand-alone...

How to reduce noise in test-system switches: the advent of products using higher speed logic and more sensitive analog circuitry makes noise reduction crucial to preserving signal integrity.(Switching Systems)
November 1, 2003... Surprising as it may seem, designing a switching system for testing electronic and electromechanical devices can present as many problems as designing the product itself. The advent of higher speed logic in devices, in conjunction with more...

Testing high-power MRI axis amplifiers: a custom system with a hot mockup configuration addresses the unique and potentially hazardous task of testing MRI amplifiers.(Power Supply Test)
November 1, 2003... Tracewell Systems, a custom power supply manufacturer and engineering services company, builds power supplies and other electronic equipment for a variety of customers. One contract came from a major manufacturer of magnetic resonance imaging...

Benefits and costs of overstress testing: HALT exposes design weaknesses. HASS ensures that these don't result in field failures of production units.(Hass)
November 1, 2003... Overstress test, tests using stresses beyond the design limit of the product, is successful at uncovering faults in both product design and the manufacturing process and ensures the overall robustness of the product. The benefits of overstress...

Steering a course through DSL Forum test documents: you need to know how the test documents relate to each other before using them.(DSL Test)
November 1, 2003... High bandwidth is key to rapid Internet data transfer. For Internet users, digital subscriber line (DSL) technologies provide the speed needed to make web browsing truly interactive instead of merely slow and frustrating. Asymmetrical DSL...

ESD Buyers Guide.(ESD Buyers Guide)
November 1, 2003... EE's 24th annual ESD Buyers Guide is a comprehensive, up-to-date listing of the companies that offer products or services to control or measure electrostatic discharges in the work environment. The guide is arranged in two sections. First is a...

Radio testing: an insider's guide from an outsider's view: an ex-test engineer provides some objective guidance on wireless product testing and some of its pitfalls.(Dealing with EMC)
November 1, 2003... As more and more devices are designed and deployed with wireless functionality, the need for proper testing and evaluation is more critical than ever. Unlike testing a computer or a peripheral transmitter, radio testing can be more complicated....

Safety design and certification for test and measurement products part 1: with today's higher voltage applications and expanding markets, product design and certification to ensure safety are more important than ever.(Product Safety Design)
November 1, 2003... Have you ever designed a product that you thought was ready to ship only to have it fail testing by not meeting safety requirements? Months can be lost and mistakes repeated if a company doesn't have a first-class safety design philosophy and...

ESR and DCR Tester.(Instrumentation)
November 1, 2003... The hand-held Model 881 Tester measures both ESR and DCR with a range of 0.1 to 30 [ohm] and automatically calibrates internal signals. Features include a 15-m V pk-pk output test voltage that will not turn on any solid-state device; a...

DDS Signal Generator.(Instrumentation)
November 1, 2003... The 2910B/RACK DDS Signal Generator in a 1U rack-mount case outputs four programmable frequencies that can be independently set between 100 Hz and 30 MHz with a resolution of 1[mu]Hz. Each frequency is provided on two buffered output connectors...

PCI digital I/O Board.(Instrumentation)
November 1, 2003... The PCI-DAS6071 I/O Board provides 64 singleended/32 differential channels of 12-b analog input. Measurements on any of 15 input ranges may be taken at rates up to 1.25 MS/s. Dual 12-b analog outputs have 1 MHz per channel maximum update rates....

Hipot/ground bond tester.(Instrumentation)
November 1, 2003... An entry-level test system combines the company's two families of hipot and ground bond testers, the 2900 Series and the 2630, to perform electrical safety compliance tests with one DUT connection. There are three models in the 2900 Series: the...

PXI RF Multiplexer.(Instrumentation)
November 1, 2003... The GX6062 PXI RF Multiplexer features 12 groups of 1:4 multiplexers that can be software-controlled to provide various multiplexer configurations while maintaining a bandwidth of 200 MHz. The switching card, which plugs directly into a 6U PXI...

PXI Relay Board.(Instrumentation)
November 1, 2003... The 6612 Relay Board packages 16 10-A channels with a maximum switching voltage of 30 VDC or 250 VAC in a 3U, single-slot form factor. The mechanical life expectancy of the relays approaches 50 million operations. The 6612 can be controlled...