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Topic: Analog circuit

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  analog circuit - Encyclopedia.com
Generally speaking, analog circuits are contrasted with digital circuits, which function as though currents or voltages exist only at one of a set of discrete levels, all transitions between levels being ignored.
However, digital circuits are often preferred because of the ease with which their outputs can be manipulated by computers, and because digital signals are more robust and less subject to transmission errors.
Sources and remedies of analog circuit noise: reducing system noise does not have to be frustrating, time consuming or expensive.
www.encyclopedia.com /doc/1E1-analogci.html   (840 words)

  Analog circuit - Wikipedia, the free encyclopedia
An analog circuit is therefore an electric circuit that operates on analog signals.
Analog electronics is sometimes confused with other sub-divisions of the general field of Electronics which include Power electronics and Digital electronics.
An example of a passive analog circuit is a passive filter that limits the amplitude at some frequencies vs. others.
en.wikipedia.org /wiki/Analog_circuit   (1231 words)

 Digital circuit - Wikipedia, the free encyclopedia
A digital circuit is based on a number of discrete voltage levels, usually two, as distinct from an analog circuit that uses continuous voltages to represent variables directly.
A corollary of the fact that digital circuits are made from analog components is the fact that digital circuits are slower to perform calculations than analog circuits that occupy a similar amount of physical space and consume the same amount of power.
Certain circuits (such as the synchronizer flip-flops, switch debouncers, and the like which allow external unsynchronized signals to enter synchronous logic circuits) are inherently asynchronous in their design and must be analyzed as such.
en.wikipedia.org /wiki/Digital_circuit   (4036 words)

 Integrated circuit - Wikipedia, the free encyclopedia
A hybrid integrated circuit is a miniaturized electronic circuit constructed of individual semiconductor devices, as well as passive components, bonded to a substrate or circuit board.
The integrated circuit was made possible by experimental discoveries which showed that semiconductor devices could perform the functions of vacuum tubes and by mid-20th-century technology advancements in semiconductor device fabrication.
The birth of the IC The integrated circuit was first conceived by a radar scientist, Geoffrey W.A. Dummer (born 1909), working for the Royal Radar Establishment of the British Ministry of Defence, and published in Washington, D.C. on May 7, 1952.
en.wikipedia.org /wiki/Integrated_circuit   (3152 words)

 Research in Analog Integrated Circuit Design   (Site not responding. Last check: 2007-10-17)
This page is a summary of the projects and students under Paul Gray and Robert Meyer at the University of California at Berkeley.
We have emphasized analog CMOS design techniques because an increasing portion of today's integrated circuit functionality is being performed in the digital domain by VLSI circuits implemented in a CMOS technology.
Achieving high integration requires both all the analog signal processing and the associated analog-to-digital interface to be built with the same technology as the digital circuits.
kabuki.eecs.berkeley.edu   (129 words)

 Analog circuit -   (Site not responding. Last check: 2007-10-17)
An analog circuit (or analog circuit) is therefore an electric circuit that operates on analog signals.
Analog Electronics is frequently confused with other sub-divisions of the general field of Electronics which include Power electronics and Digital electronics.Or in the field of Power Electronics can be the Energy Storing variables such as the current in an Inductor or the Voltage across the terminals of a Capacitor.
An example of a passive analog circuit is a passive filter that limits the amplitude at some frequencies vs.
psychcentral.com /psypsych/Analog_circuit   (1271 words)

 Analog Audio Amplifier Design
In this circuit the voltage output is controlled through the upper (cathode follower) grids and the current in the load by the drive to the lower tubes' grids.
In the circuit described 20db of negative feedback is taken from the output transformer secondary 8 ohm tap to the cathode of the input pentode.
Circuit one incorporates step circuit coupling to the output tube grids as well as the low-frequency phase and gain adjustment afforded by variation of the screen bypass capacitor of the input pentode.
depalma.pair.com /Analog/analog.html   (5194 words)

 Mixed-signal circuit: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-17)
A modem (a portmanteau word constructed from modulator and demodulator) is a device that modulates an analog carrier signal (sound), to...
Analog circuit design can not generally be automated to nearly the extend that digital circuit design can.
A circuit diagram (also known as an electrical diagram or electronic schematic) is a pictorial representation of an electrical circuit....
www.absoluteastronomy.com /encyclopedia/m/mi/mixed-signal_circuit.htm   (1034 words)

 CMOS Analog Integrated Circuit Design   (Site not responding. Last check: 2007-10-17)
Analog circuits and systems have an important role in the implementation and application of silicon technology across a wide range of frequencies and for many functions.
At all stages in the economic cycle having circuit designers with effective analog skills can give organisations a vital competitive edge, so they need to ensure that their engineers are appropriately skilled in their understanding of analog design techniques to meet current needs.
Participants should have a general knowledge of analog circuits, electrical circuit analysis, and familiarity with integrated circuit technology.
www.imperial.ac.uk /cpd/cmos   (547 words)

 Analog Circuit Observer Blocks - Harjani, Vinnakota (ResearchIndex)   (Site not responding. Last check: 2007-10-17)
In addition to the traditional problems associated with testing IC's, such as limited controllability and observability, analog and mixed-signal test is vulnerable to measurement induced errors.
Constraints on measuring analog signals significantly increase the complexity and cost of testers for such circuits.
Harjani and B. Vinnakota, "Analog circuit observer blocks," in 12th IEEE VLSI Test Symposium, 1994.
citeseer.ist.psu.edu /295781.html   (571 words)

 CMOS Analog Integrated Circuit Design   (Site not responding. Last check: 2007-10-17)
Basic CMOS analog building blocks, including current mirrors, inverting amplifiers, differential pairs, and cascode amplifiers, are then introduced.
The students will do design, simulation, and layout of analog circuits in Cadence design environment during the semester, and will complete a final project at the end of the semester.
The amplifier can be used in two example switch-capacitor circuits, a discrete-time integrator and a gain-of-2 amplifier.
www.ece.utexas.edu /~slyan/archive/ee382m_spring04   (407 words)

 Glossary of Printed Circuit Design and Manufacturing
In this technology integrated circuits are glued and wire-bonded directly to printed circuit boards instead of first being packaged.
An integrated circuit formed upon or within a semiconductor substrate with at least one of the circuit elements formed within the substrate.
A numeric datum sent to the control circuit of the photoplotter is either a D code or an X and/or Y dimension in inches, to the nearest thousandth.
www.goldengategraphics.com /pcgloss.htm   (9643 words)

 Analog Circuit Model Library
It is recommended to place meters on test-points of your circuits to study their behavior.
This circuit library is based on the first-principles of circuit laws from Kirchhoff, Thevenin, and Norton, together with a convergent-relaxation method which is distinct from the classic analytical methods applied by other tools such as SPICE.
A set of convenient macros are included, which cause the RLC circuits to produce the correct time-constants.
www.csim.com /models/analog   (906 words)

 [No title]
The CMOS Analog Circuit Design short course is a non-credit, self-paced course that examines CMOS analog circuit fundamentals, modeling and design techniques, and circuits.
This course is designed to expose engineers to a variety of circuit topologies, and to introduce fundamental analog circuit concepts.
The course will best benefit those who need a refresher course in analog electronics or those who are transitioning into the field of analog.
www.outreach.uidaho.edu /eo/ViewPage.aspx?pid=56   (238 words)

 Analog Insydes: Product Information
Analog Insydes is a Mathematica application package for modeling, analysis, and design of analog electronic circuits, tailored specifically for industrial applications.
Based on numerical reference information specified for the circuit parameters Analog Insydes detects and discards insignificant terms in symbolic circuit equations or transfer functions automatically, thus reducing large symbolic expressions to simple ones that let you gain more insight into how your circuit's behavior is influenced by its individual elements.
In addition to the above, the package is an ideal tool for teaching circuit analysis in engineering education because it provides an unrestricted set of primitive linear circuit elements (including all types of controlled sources) and permits full access to device models and circuit equations.
www.wolfram.com /products/applications/insydes   (376 words)

 Amazon.com: CMOS Analog Circuit Design: Books: Phillip E. Allen,Douglas R. Holberg,Allen   (Site not responding. Last check: 2007-10-17)
Allen estalished methodological analysis and design principles of CMOS analog circuits, especially in op amps and filters.
It is particularly strong in switched capacitor circuits (ch 9) and A/D and D/A conversion circuits (ch 10).
It is weak on high speed analog design, and weak in developing the intuition needed for analog design, something Gray and Meyer spends time on.
www.amazon.com /exec/obidos/tg/detail/-/0195116445?v=glance   (1397 words)

 CMOS and BiCMOS Analog Circuit Design
This course presents circuit and design methodologies for analog circuits and systems in CMOS and BiCMOS.
You gain an understanding of the circuit structures of various analog components and of performance analysis.
Analog Integrated CMOS Design X402 or the equivalent is recommended (note that the instructor will include a review of basic CMOS/BiCMOS process and analog circuit design).
www.unex.berkeley.edu /cat/course259.html   (256 words)

 Analog Circuit Observer Blocks - Harjani, Vinnakota (ResearchIndex)   (Site not responding. Last check: 2007-10-17)
Abstract: Analog and mixed-signal integrated circuits are rapidly becoming more complex.
In this paper, we introduce a design for test technique for analog and mixed-signal circuits, analog circuit...
4 Concurrent error detection in linear analog and switched-cap..
citeseer.ist.psu.edu /67888.html   (589 words)

 Analog Circuit Design: (X)Dsl and Other Communication Systems; Rf Most Models; Integrated Filters and ...
Analog Circuit Design: Most Rf Circuits Sigma-Delta Converters and Translinear Circuits
Analog Circuit Design: Mixed A/d Circuit Design, Sensor Interface Circuits and Communication Circuits
Analog Circuit Design: Rf Analog-To-Digital Converters; Sensor and Actuator Interfaces; Low-Noise Oscillators, Plls and Synthesizers
www.ecampus.com /book/0792386221   (317 words)

 Amazon.com: Analog Integrated Circuit Design: Books: David Johns,Ken Martin   (Site not responding. Last check: 2007-10-17)
The aim of the book is to help develop excellent analog circuit designers by presenting a concise treatment of the wide array of knowledge required by an integrated circuit designer.
Describes many circuits emphasizing the most important principles involved in state-of-the-art analog circuits.
A semiconductor is a crystal lattice structure that can have free electrons (which are negative carriers) and/or free holes (which are an absence of electrons and are equivalent to positive carriers).
www.amazon.com /exec/obidos/tg/detail/-/0471144487?v=glance   (1460 words)

 Analog Mixed Circuit - OrCAD Community
Filtering the signal, proper grounding etc: Connecting one capacitor from analog circuit ground to power earth and another from digital ground to the earth if the grounds are isolated from power earths.
If you are not able to solve the problem, give more details: function of the analog section, nature and purpose of the igital signal, function of the diode and brief description of the circuit.
If you have any doubt on circuit, you may contact me on my personal email id: sankapal55@yahoo.co.in with bried detail of the circuit.
www.orcad.com /forums/ShowPost.aspx?PostID=10690   (386 words)

 Analog Integrated Circuit Design
Covering everything from processing steps to models to high level circuit design issues, the authors make it a point to emphasize the "real-life" implications of this material for the circuit designer as a professional.
Emphasis on the most important and fundamental principles in creating state-of-the-art analog circuits.
Second, the authors are from the University of Toronto, with a strong history of excellent books, most notably Microelectronic Circuits by Sedra and Smith.
www.alltextbook.com /w0471144487/Analog_Integrated_Circuit_Design.html   (772 words)

 Analog Circuit Simulation using TINA   (Site not responding. Last check: 2007-10-17)
DC analysis calculates the operating point and the transfer characteristic of nonlinear analog circuits.
Through optimization, TINA will optimize a circuit response to a predefined target value by automatically varying the value of a circuit parameter.
Use mixed-mode simulation for digital circuits with key analog portions or for analog circuits with additional digital components.
www.designsoftware.com /ANALOG.HTM   (291 words)

 Analog Circuit Design: High-Speed Analog-To-Digital Converters; Mixed Signal Design; Pll's and ...
Analog Circuit Design: (X)Dsl and Other Communication Systems; Rf Most Models; Integrated Filters and Oscillators
The extended and revised editions of all of the talks at the 9th AACD Workshop held in Rottach-Egern Germany, April 11-13, 2000.
Presents state-of-the-art information on analog circuit design that can serve as a reference to those interested in signal design.
www.ecampus.com /book/079237956X   (364 words)

 MRB: Bipolar and Mos Analog Integrated Circuit Design
Even though it is a 1984 book, it describes all the important building blocks of analog electronics with great insight and lots of knowledge.
In addition, many of the background theories in circuit designs such as OPAMPS, bias circuits, and basic gain stages etc. can be found in the book as very good basic references.
Designing Analog Chips Book Free Download from Hans Camenzind: A comprehensive introduction to CMOS and bipolar analog IC design.
www.medical-research-books.com /mrb-books-reviewed/0471085294.html   (718 words)

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