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Managing electronics design data – from concept to production Managing electronics design data Smart, powerful tools for implementing and re-using high-integrity design data, without the risk. As the process of developing electronic products has increased in complexity and involved more engineering domains, managing the huge array of design data that’s sourced and generated has become a crucial part of the task. Beyond the traditional notions of electronics design – developing hardware and software – engineers are spending an increasing amount of time sourcing, storing, reusing and releasing a wide variety of design data. Maintaining the integrity of that design data across the entire product development process is an increasingly necessary part of today’s electronics design process, and its effectiveness can make the difference between commercial failure or success. This is largely about eliminating risk. The familiar risks associated with introducing a new, unproven part into your design, but more importantly, the risks associated with reusing existing design data – from the most basic design elements such as component models though to high level blocks of functional circuitry and design output released to manufacturing. Successfully managing that risk and maintaining the integrity of existing design data will mean that a pool of proven design elements becomes available for new designs. The elements, from components to complete design sections, have been used in fully-developed, debugged production designs and are therefore known, trusted entities that can be dropped into new designs with a high level of confidence in their integrity. The low design risk associated with this approach carries the cumulative benefit of being able to progressively building up higher level design elements (for example, blocks of circuitry) from known, trusted elements such as components or sub-circuits. When successfully used in a production design, that higher level design data can become the basis of ...
Czech Space Research Centre Analog Electronics Designer (position suitable for absolvents) We are looking for a candidate to expand our electronics design team to support several of currently running and future space projects. Responsibilities • • • • • • • Electronic circuit schematic design. PCB layout design Related activities including documentation, verification and testing. Simulation of electronic circuits using either Orcad/PSpice/etc. Various electrical analyses to support the design process (Failure mode analysis, part stress analysis, radiation analysis, etc. Previous knowledge beneficial but not required.) Reporting and presentation to the internal team and also to the international customers. Willingness to perform business trips abroad related to projects (meetings, tests, etc.) Profile • • • • • • Analog electronics design and development experience is highly beneficial Orcad/PSpice/Altium designer software knowledge Experience from space electronics is beneficial but not required. Ability to responsible document and present own work. Ability to work individually and to contribute to team effort. Ability and willingness to learn in the space engineering field. Qualifications • • • University degree in electronic engineering or related field. Previous work experience is highly beneficial, but the position is suitable to absolvents as well. Written and spoken proficiency in English language. Contact Candidate must be eligible to work in the EU. Please send us your CV (in English or Czech) to firstname.lastname@example.org.
Job Description Senior Electronics Designer Role: To design analog, digital and power electronics circuits and devices To provide senior level technical leadership, on electronics designs Responsibilities: Create state of the art analog, digital and power electronics solutions Lead the development of electronic and power electronics products to include; circuitry and firmware from concept through to manufacture; as per defined specifications Plan and execute design verification and validation activities Develop specifications for new products Supervise the preparation of technical and regulatory documentation Participate in design reviews, project meetings, and time/cost budgeting Manage project schedules and deadlines Keep abreast of the latest technology and trends in the electronics industry Education and Experience: Bachelor degree in Electrical Engineering, Master’s degree is preferred 10+ years electronics design experience Extensive work experience designing analog, digital and power electronic devices Extensive work experience in microcontroller systems, FPGA and firmware designs Strong organizational, analytical, and problem solving skills required Results oriented, self-motivated, and able to work with minimal supervision
O V E R V I E W Electronics Design • Extraction of hardware specifications • Board design from concept to functional board • Sustenance services for board reengineering • Reduced development cycle times, saving up R&D dollars Enabling Faster-To-Market Products By implementing emerging technologies in customers' products, our electronics design practice helps bring to market competitive products while progressively shrinking development cycle times. Drawing on wide-ranging experience and expertise, we architect significant value by building robust products and saving up R&D dollars. Furthermore, our designs come with timing, signal integrity, power, thermal, and EMC/EMI compliance. Solution Matrix Our electronics design solutions include: • Extraction of hardware specifications from the product requirements, circuit design, PCB design, prototype assembly, board bring-up, firmware development, and integration • Firmware development including boot codes, board support packages, diagnostics, and device drivers • Requirement fulfillment for timing, signal integrity, power consumption, power dissipation profile, DFM, and EMC/EMI compliance • Sustenance engineering services including board reengineering for design enhancements, defect identification and fixing, obsolete component replacements, and redesigning for RoHS compliance • Vast expertise in products ranging from tiny distributed sensors to complex, high-speed mixed signal instruments and medical devices Industries and Customers We offer electronics design services to Fortune 500 companies, multinationals, and small and medium enterprises across industries.
Design Tools for Power Electronics: Trends and Innovations Uwe DROFENIK*, Didier COTTET**, Andreas MÜSING* and Johann W. KOLAR* * Power Electronic Systems Laboratory, ETH Zurich, ETH-Zentrum / ETL H13, CH-8092 Zurich, Switzerland Phone: +41-1-632-4267, Fax: +41-1-632-1212, E-mail: email@example.com ** ABB Switzerland Ltd, Corporate Research, CH-5405 Baden-Dättwil, Switzerland Abstract: Numerical simulation is a standard procedure in the design of power electronic systems. With simulation, one can test new concepts immediately without the need to order components and assembling which might be time-consuming and expensive. If something fails, there is no destruction but information about too high voltages and/or currents. Critical operating states just before failure can be exactly reproduced, and currents, voltages and junction temperatures can be easily monitored in simulation which makes it comparably easy to identify problematic designs. Expensive equipment for measurement, power supply and load which is essential for testing prototypes is not needed in a first design stage. Further advantages of simulation are the ability to easily visualize fields, flows and distributions of physical properties, and the ability of automated parameter optimization and/or statistical analysis with Monte Carlo techniques. Due to these advantages it would be desirable to replace designing and testing prototypes by numerical simulations as far as possible in order to reduce development time, save development cost and detect reliability problems. Unfortunately, practical simulation will never fully map reality. The power electronic system under investigation has to be simplified in order to be able to handle the model with a computer. Numerical simulation will always give a result, but it is up to experience and knowledge of the design engineer to verify the usefulness and/or accuracy of the result....
THE IMPACT OF ENERGY EFFICIENCY STANDARDS ON STANDBY POWER IN CONSUMER ELECTRONICS DESIGN A Lattice Semiconductor White Paper May 2010 Lattice Semiconductor 5555 Northeast Moore Ct. Hillsboro, Oregon 97124 USA Telephone: (503) 268-8000 www.latticesemi.com 1 The Impact of Energy Efficiency Standards on Standby Power in Consumer Electronics Design A Lattice Semiconductor White Paper Regulatory Measures to Reduce Standby Power Squeezing every last microwatt from a system is a common objective for engineers who are designing battery operated equipment. And as more strict government regulations regarding power consumption appear, even traditional home and office appliances like LCD TVs, set top boxes (STBs) and multifunction printers (MFPs) are being scrutinized for ways to save power. To help ensure products are in compliance with the latest EnergyStar and European Commission Code of Conduct regulations, designers are seeking innovative ways to provide low-power modes of operation in a variety of product lines. This white paper examines design methods and practical advice for saving power using programmable logic devices (PLDs). The 1-Watt Plan is an energy saving proposal by the International Energy Agency (www.iea.org) to reduce standby power use in all appliances to just one watt. Standby power, also called vampire or phantom power, refers to the electricity consumed by many appliances when they are switched off or in standby mode. The typical power loss per appliance is low (from 1 to 25 W), but when multiplied by the billions of appliances in residential and commercial use, standby losses represent a significant fraction of total world electricity use. Research indicates that standby power accounts for as much as 7-13% of household power consumption. While the definition of standby power use depends on the product being analyzed, standby power includes at a minimum the power used while the product is performing no function. PLDs are increasingly being applied to maximize the amount of circuitry that can be unpowered or placed in a standby/sleep mode when the system is idle. Since modern programmable logic devices (PLDs) have very low static current requirements, often in the microampere range, they are ideal as system event...
EE122 - Introduction to Electronic Circuit Design Prof. Greg Kovacs with Amy Droitcour and Bob Ricks Department of Electrical Engineering Stanford University About EE122 • “Curiosity-driven” laboratories with a flexible structure. • A team-based approach to learning. • Practical, rather than theory-driven content. • Preparation for laboratories will involve team research and analysis, rather then lengthy write-ups. • An informal lab-book-based approach to taking data. • No formal examinations (midterms or final), with grading based on laboratory notebooks, teamwork, and final project. • Final project with a full three weeks provided for design and construction. • Final demos given by each team to the entire class. EE122, Stanford University, Prof. Greg Kovacs 2 An introduction to gEEk culture. EE122, Stanford University, Prof. Greg Kovacs 3 EE122 Course Goals • Analog circuit design knowledge. • Introduction to sensors. • Working knowledge of interface electronics (to the “real world”). • Developing circuit design intuition. • Experience with teamwork in experimentation, documentation and design. EE122, Stanford University, Prof. Greg Kovacs 4 Basic Things You Have to Handle • Know how to use Excel (how to enter data and how to make plots). • Know how to use Word (including importing graphics) and how to generate PDF files. • Find a form of SPICE that you are comfortable with (B2Spice, PSPICE, HSPICE, or whatever). TA’s will help. • Get a copy of Horowitz and Hill, “The Art of Electronics.” EE122, Stanford University, Prof. Greg Kovacs
Mating connectors on different assemblies checked for same pin-out Cabling scheme insures that no return currents will flow back to remote sources through earth ground. No signal cable is used to carry power to a remote device (remember the Wide Band fire..) without full and complete justification and paper trail Maximal total power Dissipation of crate-full of boards calculated against cooling system capabilities; cooling system insures that, on average, no board runs hotter than 35˚C Airflow of cooling system checked against area mechanics and local smoke detection systems to insure no blockage or restrictions. All sheets have assigned drawing number on them All sheets have drafter’s name All sheets have signed and dated check-off by designer ANSI rules for title block, grid, etc. followed on all sheets Design is fully hierarchical; no page to page connectors, no duplicate reference to same page All components have unique visible reference designators and visible component values All components have assigned PCB footprints Schematic symbols are not re-used for different parts All devices have visible and connected power and ground pins All Schematic pages have top-to-bottom, left-to-right flow Connectivity between signals is by wires and busses, not by signal names Connection dots are evident and used Power nets (e.g. VCC, VEE, GND) are global across entire design and not unique per sheet Bill of materials included in review packet Bill of Materials includes all mechanical, mounting and other nonelectrical components in addition to all electrical components Electronic Assemblies Checklist