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400BXW150MEFC18X35_Datasheet PDF

来源:LM317 Electronics Components编辑:RFMD时间:2021-06-15 15:32:00

Poly-Flex designs and manufactures polymer thick film, flexible circuits as well as flexible interconnect assemblies. Sales and earnings reported by Parlex reflected the company's Poly-Flex acquisition, which was completed last month.

Last year, the NREL used Advisor in a new test that allowed for different control strategies in the series and parallel HEVs, an analysis made feasible only with computer simulation. These valuable tests showed that the best-designed parallel vehicles achieved 24 percent better gas mileage than conventional cars, surpassing their series counterparts by 4 percent. In addition, Advisor has been well validated at the NREL and at a number of universities that use the simulator in their HEV design programs. Advisor's computer-generated findings have generally fallen within 2 to 4 percent of actual measurements on HEV prototypes, a figure of merit that shows excellent alignment between design models and real components. A validation study at Virginia Tech in 1997 found that the validation process shows that Advisor has extensive values as a simulation tool for HEVs.”

Meanwhile, software engineers at SwRI began to look for a way to take HEV development beyond steady-state, backward-looking models like Advisor and offer a dynamic environment for designing, testing and proving their ideas without hardware prototypes. Like the NREL's HEV designers, SwRI engineers adopted Simulink so that they could compile modular component libraries of engines, vehicles, mechanical couplings, driveline components, energy storage devices and a number of other essential HEV subsystems.

400BXW150MEFC18X35_Datasheet PDF

At the direction of the United States Council for Automotive Research (Uscar), a consortium of DaimlerChrysler, Ford and GM, SwRI used those libraries as the foundation for its PNGV Analysis Toolkit. Participants in the PNGV since its inception, engineers in SwRI's Engine and Vehicle Research Division were familiar with most of the widely used HEV simulators, including Advisor and Simple-V. SwRI chose Matlab and Simulink to develop its PNGV Analysis Toolkit because of their programming efficiency, Simu-link's self-documenting feature and customer familiarity with the tools.

Detailed descriptions

Both the PNGV Analysis Toolkit's GUIs and component libraries offer a layer of design beyond simply choosing components, providing vehicle models with the required detailed descriptions of the components' performance values. In addition to testing the performance of the overall vehicle, this model-based design paradigm enables designers to validate an HEV's subsystems. Despite the dense models, even novices can use Matlab GUIs in the Toolkit.

400BXW150MEFC18X35_Datasheet PDF

The PNGV Analysis Toolkit has been used to evaluate new drivetrain options, to test and debug control strategies, to size and specify subcomponents and to evaluate software and hardware modifications. Uscar now owns the software. Its members-engineers at the Big Three-will use the Toolkit to develop HEVs that meet the PNGV's goals. Many involved in the PNGV program agree that dynamic and forward-looking simulators offer the best chance for fine-tuning HEV components, designing and testing advanced control strategies and optimizing HEV performance. The Toolkit may ultimately find wide use in conventional vehicle development as auto engineers move toward increased virtual design and testing.

Scott McBroom, Senior Research Engineer, Southwest Research Institute, San Antonio, Texas, David Helinek, Automotive Segment Manager, The MathWorks Inc., Natick, Mass.

400BXW150MEFC18X35_Datasheet PDF

SAN JOSE, Calif. — Cypress Semiconductor Corp. is expanding its USB controller portfolio with a high-performance family that is expected later this year to support the emerging USB 2.0 specification.

The new family cements Cypress' position as the leading USB supplier and marks an important milestone on the way to high-speed USB transmission, according to Dave Podsiadlo, USB product marketing manager at Cypress, based here.

For Hyundai, selling the Scotland shell raises critically needed cash to upgrade existing fabs in Korea — both the former LG Semicon plants acquired in the merger of the two companies' chip operations, and Hyundai's own fabs. Hyundai has also requested environmental approval to fill in wetlands adjoining its Eugene, Ore., fab to build two new plants there.

Hyundai reportedly is also trying to sell the fab shell in Wales that it acquired in the acquisition of LG Semicon. Sources said Intel Corp. made an offer for the building, but Hyundai rejected it as too low. It wasn't immediately known if Intel would try to sweeten its offer to reopen negotiations.

Do you remember my recent blog titled How big is a bacterium compared to a transistor? Well, I waffled on for ages about a variety of different things, during the course of which I made a really silly mistake.

When I was talking about technology nodes like the 45 nm node, I mentioned that this relates to the sizes of certain structures created at that node, such as the length of the channel in an individual NMOS or PMOS transistor.

The problem was that later, when I came to consider the sizes of different bacteria and to compare these to a single transistor, I actually compared them to the length of the channel – that is, 45 nm.

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