Electronic design Electronic design Amdahl's law, named after computer architect Gene Amdahl, is used to find the maximum expected improvement to ...more on Wikipedia about "Amdahl's law"
An analog or analogue signal is any variable signal continuous in both time and amplitude. It differs from a digital signal in that small fluctuations in the signal are meaningful. Analog is usually thought of in an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also use analog signals. ...more on Wikipedia about "Analog signal"
ATPG, or Automatic test pattern generation is an electronic design automation tool that attempts to find an input (or test) sequence that, when applied to a digital circuit, enables testers to distinguish between the correct circuit behavior and the faulty circuit behavior caused by a particular fault. The effectiveness of ATPG is measured by the fault coverage achieved for the fault model and the number of generated vectors, which should be directly proportional to test application time. ATPG efficiency is another important consideration. It is influenced by the fault model under consideration, the type of circuit under test ( full scan, synchronous sequential, or asynchronous sequential), the level of abstraction used to represent the circuit under test (gate, register-transistor, switch), and the required test quality. ...more on Wikipedia about "Automatic test pattern generation"
A breadboard (or Veroboard®) is a material or device used to build a prototype of an electronic circuit. ...more on Wikipedia about "Breadboard"
(Channel length modulation) == Description == ...more on Wikipedia about "Channel length modulation"
Circuit design is the process of working out the physical form that an electronic circuit will take, ** physical form includes the choice of method of construction as well as all the parts and materials to be used. It also covers the choice of what electronic components will be used and the physical layout they are to take. The process of circuit design can cover systems ranging from national power grids all the way down to the individual transistors within an integrated circuit. For simple circuits the design process can often be done by one person simply designing the circuit as they go along, but for more complex designs, teams of designers following a systematic approach with intelligently guided computer simulation are becoming an increasingly dominant aspect. ...more on Wikipedia about "Circuit design"
A circuit diagram (also known as an electrical diagram or electronic schematic) is a pictorial representation of an electrical circuit. It shows the different components of the circuit as simplified and standard pictograms, and the power and signal connections ( buses) between the devices. Arrangement of the components and interconnections on the diagram does not usually correspond to their physical locations in the finished device. ...more on Wikipedia about "Circuit diagram"
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CMOS (pronounced "see-moss"), which stands for complementary metal-oxide-semiconductor, is a major class of integrated circuits. CMOS chips include microprocessor, microcontroller, static RAM, and other digital logic circuits. ...more on Wikipedia about "CMOS"
This article is not about combinatory logic, a topic in mathematical logic. ...more on Wikipedia about "Combinatorial logic"
Design closure is the process by which a VLSI design is modified from its initial description to meet a growing list of design constraints and objectives. ...more on Wikipedia about "Design closure"
Digital circuits are electric circuits based on a number of discrete voltage levels. Digital circuits are the most common mechanical representation of Boolean algebra and are the basis of all digital computers. They can also be used to process digital information without being connected up as a computer. Such circuits are referred to as "random logic". (See also logic gate.) ...more on Wikipedia about "Digital circuit"
The distributed element model or transmission line model of electronic circuits assumes that each circuit element is finite, as opposed to infinitesimal, and that the wires connecting elements are not perfect conductors -- that is, they have impedance. The model challenges the lumped element model by assuming non-uniform current along each branch and non-uniform voltage along each node. ...more on Wikipedia about "Distributed element model"
Electronic design automation (EDA) is the category of tools for designing and producing electronic systems ranging from printed circuit boards (PCBs) to integrated circuits. This is sometimes referred to as ECAD (electronic computer-aided design). ...more on Wikipedia about "Electronic design automation"
Basic fault models in digital circuits include: ...more on Wikipedia about "Fault model"
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(Floorplanning) Definition: The act of designing a birds eye view of a structure (eg: house). ...more on Wikipedia about "Floorplanning"
FR-4 is a type of board used for making a printed circuit board. It describes the board itself with no copper covering. A printed circuit board needs to be an insulator to avoid shorting the circuit, physically strong to protect the copper tracks placed upon it, and to have certain other physical electrical qualities (see below). FR-4 is prefered over cheaper alternatives such as SRBP ( synthetic resin bonded paper) due to several mechanical and electrical properties; it is less reactive at high frequencies, absorbs less moisture, has greater strength and stiffness, and is highly flame resistant compared to its less costly counterpart. FR-4 is widely used to build high-end consumer, industrial and military electronic equipment. ...more on Wikipedia about "FR-4"
In electrical engineering, frequency compensation is a design technique for amplifiers which use negative feedback or those, such as operational amplifiers, that are intended for use with negative feedback. The primary goal of frequency compensation is to avoid unintentionally creating positive feedback, although the technique enjoys secondary benefits such as providing nearly constant phase over a larger range of operating frequencies. ...more on Wikipedia about "Frequency compensation"
Gateware is the data which describes the configuration of a Field-programmable gate array or similar programmable logic device. ...more on Wikipedia about "Gateware"
Impedance matching is the practice of attempting to make the output impedance of a source equal to the input impedance of the load to which it is ultimately connected, usually in order to maximise the power transfer and minimise reflections from the load. This only applies when both are linear devices. ...more on Wikipedia about "Impedance matching"
Integrated circuit design, or IC design, is a subset of electrical engineering, encompassing the particular logic and circuit design techniques required to design integrated circuits, or ICs. ICs consist of miniaturized electronic components built into an electrical network on a monolithic semiconductor substrate by photolithography. Designing ICs is an difficult undertaking for several reasons: ...more on Wikipedia about "Integrated circuit design"
Integrated circuit layout, also known IC layout or IC mask layout is the representation of an integrated circuit in terms of planar geometric shapes that correspond to shapes actually drawn on photomasks used in semiconductor device fabrication. ...more on Wikipedia about "Integrated circuit layout"
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In electronic design and electronic design automation an intellectual property block, IP-block or IP core is a unit of reusable design, the use of which has been licensed to a third party. The term is derived from the licensing of the patents and copyrights which subsist in the design, which are sometimes called intellectual property. An alternative expansion is "integrated processor block". ...more on Wikipedia about "Intellectual property block"
In computing, Kryder's law states that hard drives are benefiting from an exponential increase in the density (bits per unit area) of information they are able to store. Kryder's Law is essentially Moore's Law for storage. But the density of information on hard drives has been growing at an even faster rate , increasing by a factor of 1000 in 10.5 years, which corresponds to a doubling roughly every 13 months. ...more on Wikipedia about "Kryder's law"
Ladder logic or the Ladder programming language is a method of drawing electrical logic schematics. It is now a graphical language very popular for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical "rails" and a series of "rungs" between them. ...more on Wikipedia about "Ladder logic"
The 74 in the above list can be replaced with 54 to generate the 5400 series. The 5400 series were functionally the same as the 7400 series but with wider operating and storage temperature ranges, better resistance to vibration and mechanical shock, and other abuse. The more robust 5400 series was built to military specifications, commonly known as milspec. ...more on Wikipedia about "List of 7400 series integrated circuits"
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