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Topic: Phasor (electronics)

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	Phasor (electronics) - Wikipedia, the free encyclopedia
		A phasor is a constant complex number representing the complex amplitude (magnitude and phase) of a sinusoidal function of time.
		Phasors are used in engineering to simplify computations involving sinusoids, where they can often reduce a differential equation problem to an algebraic one.
		Thus, the phasor Y is the constant complex number that encodes the amplitude and phase of the sinusoid.
	en.wikipedia.org /wiki/Phasor_(electronics) (659 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		Electronic circuits with passive and reactive components and the response of these circuits to alternating current inputs.
		Phasor analysis is used to solve circuits containing capacitance, inductance and resistance.
		This class of electronic devices is referred to as thyristors.
	www.centralia.ctc.edu /instruction/CourseDesc/ELTR.shtml (735 words)

	Phasor Electronics Design - Contract Consulting Home
		Phasor provides electronics design consulting services to client companies that require expertise in high-speed mixed digital, analog, and RF circuits, digital signal processing, microcontrollers, and input/output interfaces.
		Phasor provides contract consulting services that include product specification, system design and architecture, circuit design, prototype assembly and testing, and product manufacture.
		Phasor's expertise covers all aspects of electronic circuit and system design and embedded system hardware and software, with emphasis on mixed analog/digital and high speed hardware design at the printed circuit board level.
	www.phasordesign.com (152 words)

	Rane Professional Audio Reference (P)
		[Example: 1.5 /27° is a phasor representing a vector with a magnitude of 1.5 and a phase angle of 27 degrees.] 2.
		Often used as voltage dividers in electronic circuits, the input voltage is applied to the top of the resistive element, while the other end is tied to ground or a common reference and the output is taken from the slider.
		Propagation delay is caused most often in analog electronics by phase delay in filter networks, and in digital electronics by computational delay in microprocessors and DSP devices, as well as data conversion.
	www.rane.com /par-p.html (7371 words)

	Electronics 34
		This has an effect on the phasor diagram and on the measurements that must not be ignored.
		To draw a phasor diagram, you need a straightedge and scale, a protractor, two triangles for drawing parallel lines, and dividers for transferring distances.
		The phasor diagram can be measured to find these results, which are, of course, the same as we find by complex analysis.
	www.du.edu /~etuttle/electron/elect34.htm (2301 words)

	Category:Electronics - Wikipedia, the free encyclopedia
		Electronics is the study and use of electrical devices that operate by controlling the flow of electrons or other electrically-charged particles in devices such as thermionic valves and semiconductors.
		The pure study of such devices is considered as a branch of physics, while the design and construction of electronic circuits to solve practical problems is part of the fields of electrical engineering, electronic engineering and computer engineering.
		The main article for this category is Electronics.
	en.wikipedia.org /wiki/Category:Electronics (179 words)

	Power in ac circuits.
		The principal advantages to the electronics engineer lie in writing down the equations with a great deal more compactness; in making many numerical shortcuts in handling voltage current and power in circuits having both resistance and reactance; and in gaining insight into creative circuit methods of handling alternating signals.
		In determining the average power dissipated we intrinsically assume the average is taken over a whole number of cycles of the ac signal.
		Replacing the quantity Zi by the complex voltage phasor v, we see transparently that the power dissipated is Re[vi*/2].
	www.ee.surrey.ac.uk /Personal/D.Jefferies/powerac.html (908 words)

	Assembly in Action: Machine Vision Solves Seal Inspection Problems (Site not responding. Last check: 2007-11-04)
		Phasor Ltd. (Sunderland, Tyne & Wear, U.K.) specializes in applying vision technology and has completed a state-of-the-art inspection machine that checks every surface of shock absorber seals.
		Knowing that Omron Electronics (Schaumburg, IL) had some low-cost vision technology, Hage invited Omron to a brainstorming session, in which some concept designs would be developed and explored.
		Phasor's machine feeds individual seals along an input conveyor to a pneumatic arm that transfers them one at a time to a rotating spindle, which forms the first of two inspection stations.
	www.assemblymag.com /CDA/ArticleInformation/features/BNP__Features__Item/0,6493,103995,00.html (561 words)

	Evaluate The Performance Of Amplifying Predistorters (Site not responding. Last check: 2007-11-04)
		Figure 3(a) shows the phasor diagram of a FF scheme, where the suppression of the distortion phasor with respect to the original distortion phasor is calculated from elementary geometry to be 20log[sin(Θ/2)].
		The resultant phasor due to the distortion from A1 and the shunt path is at an angle Φ from the reference as shown.
		Assuming that the phase angle of the distortion phasor from A1 is zero, the suppression of the final distortion phasor with respect to the original distortion phasor is given by 20log[sin (Φ/2)].
	www.mwrf.com /Articles/Index.cfm?ArticleID=7230&pg=2 (1034 words)

	[No title]
		Math 24 or ENGR 27 exposes students to the mathematical methods, in particular differential equations, which are necessary to analyze electronic circuits.
		Apply the phasor concept to solve circuits for the sinusoidal steady-state response.
		Understand sinusoidal signals and phasors; measure amplitude gain and phase shift of an RC filter; measure the frequency response of a first order filter; design a filter with desired characteristics 17.
	www.cse.ucsc.edu /~larrabee/abet/descriptions/ee70.text (701 words)

	Business Wire: ADC Telecommunications Acquires Phasor Electron... @ HighBeam Research (Site not responding. Last check: 2007-11-04)
		Phasor RF amplifier products feature an excellent price to performance ratio, which enables cable television operators to economically deliver high-quality signals to end-users.
		Phasor's products are designed for easy customization to meet unique customer requirements, as well as to meet all required European cable television standards.
		Phasor was originally founded in 1978 as a subsidiary of Philips Electronics.
	highbeam.com /library/doc0.asp?docid=1G1:53590949&refid=ink_tptd_nw_bw (665 words)

	evertiq.com
		phasor is focused on the high technology sector of the pcb market, particularly those applications using low-contrast substrates such as DSTF and RTF.
		phasor is available in a number of system configurations with options on throughput, resolution, large panel format and automation.
		Anders Electronics, the specialist supplier and designer of display solutions, has announced the appointment of Mike Caddy as the company's displays product manager.
	www.evertiq.com /newsx/read_news.aspx?newsid=46 (755 words)

	AC circuits, AC electricity
		The animation and phasor diagram here are simple, but they will become more useful when we consider components with different phases and with frequency dependent behaviour.
		The voltage phasors (brown for resistor, blue for capacitor in the convention we've been using) add according to vector or phasor addition, to give the series voltage (the red arrow).
		Remember that the inductive and capacitive phasors are 180° out of phase, so their reactances tend to cancel.
	www.phys.unsw.edu.au /~jw/AC.html (3873 words)

	Electronics 33
		The unit phasor exp(jωt) is said to have phase ωt in degrees or radians, where ω is the angular frequency 2πf radians per second.
		The phase lead is expressed as multiplication of the phasor by a complex factor exp(jφ).
		The three phase voltages can be represented by three phasors of the same length, 120° apart, and the three line voltages by phasors connecting their tips.
	www.du.edu /~etuttle/electron/elect33.htm (2312 words)

	Electrical Engineering at UTA
		The physics of solids, the physical principles and circuit models of diodes, bipolar transistors, and field effect transistors, and an introduction to the technology of integrated circuits and quantum electronic devices.
		Integration of semiconductor electronics principles, process principles and design and simulation in the open-ended design of microelectronic circuits and systems.
		Design of electronic systems using discrete devices, integrated circuits (analog, digital, and hybrid), sensors, and actuators.
	www-ee.uta.edu /courses/undergradcourses.htm (1545 words)

	Mu-Tron Musitronics
		I got an engineering degree and a humanities degree- I was MIT's first electronic music graduate-and between '68 and '69 I built a strange analog device that simulated a drone-string accompaniment to an arbitrary musical sound input.
		The Mu-Tron Phasor used transconductance op-amps for the variable element at a time when most people were using FETs.
		Though the technology was semi-obsolete-even at that time-the photo mod helped give the Phasor its own sound because photo resistors don't track each other exactly and each has its own particular time constant and subtle form of non-linearity.
	www.beitec.com /stomp.htm (1807 words)

	Course 104-3 Electronics for Non-Electronic Engineers
		Electrical controls and electronics are incorporated in almost every technical activity, and all technical personnel have to deal, at least to some extent, with some aspects of electrical engineering.
		A basic understanding of electronics is essential to better perform their main function.
		It is not an in-depth electronics course but rather a course aimed at individuals who require an intensive review of basic principals, without the assumption of any prior knowledge of the topic.
	www.ttiedu.com /104-3cat.html (486 words)

	EPE Association: EPE Journal Volume 12-3 (Site not responding. Last check: 2007-11-04)
		A total of 64 voltage space phasor combinations are possible in this scheme, as each inverter is capable of producing 8-voltage space phasors independently of the other.
		In the proposed scheme, the neutral connection of the induction motor is removed (open-end winding) and is fed from both the ends.
		When further expanding the use of renewable sources it is necessary to develop large energy storage facilities for decoupling generation from consumption; chemical storage could facilitate a flexible demand-driven reconversion of electricity with stationary or mobile fuel cells.
	www.epe-association.org /epe/documents.php?current=58 (1101 words)

	Electronics Prototype Development - Worldwide
		A1 Electronics is gevestigd in Oost Nederland en houdt zich bezig met assemblage van electronische produkten en als aparte discipline repair voor derden.
		Electronics Design, Manufacture of custom and a growing list of standard products, primarly for automation control, data logging, remote video, and various niche market sensors.
		PI Electronics AG, formed in 1990, specializes in the design of instrumentation and control systems for industrial and scientific applications.
	www.kellysearch.com /qz-product-34294.html (1164 words)

	The technology of Phase Shifters and Flangers
		This is really all there is to a flanger - a time delay that can be modulated a bit, and a mixer to add the delayed signal back to the original or dry signal.
		The capacitor also contributes its current, so the two are added at the output node, and since the OTA also reversed the phase of the signal it processed, it looks like it came through an ordinary resistor that was connected to the mirror image of the input signal.
		Magnatone used either one or two stages of this, depending on the amp, and never did the addition of the dry signal that would have made it into a true phase shifter.
	www.geofex.com /Article_Folders/phasers/phase.html (3302 words)

	Toby Haynes - Resume, Electronics Design
		Phasor provides electronics design services to client companies that require expertise in high-speed mixed digital/analog/RF circuitry, digital signal processing, microcontrollers, and I/O. Available services include embedded system design, circuit design, schematic entry, PCB design, mechanical design, software development, test, and manufacture.
		As a hardware designer, I wrote the specifications for custom portions of the digital electronics hardware and chassis.
		I also work on personal electronics projects have been an amateur radio operator for 28 years.
	www3.telus.net /public/tnhaynes/electronics/haynes_resume.html (981 words)

	Phasor Domain Circuit Analysis
		Assume the source voltage is sinusoidal with a magnitude (not rms) of Vs, a phase angle of 0º, and a frequency of w.
		Your answer should be in the phasor domain (in terms of the frequency w).
		Find the gain in the phasor domain (as a function of jw).
	engr.calvin.edu /courses/engr204/examples/PhasorDomain (210 words)

	EPE Association: EPE Journal Volume 13-4
		The 3-level inverters used in the proposed drive, are realised by cascading two 2-level inverters and do not require the neutral point clamping diodes.
		Advances in power electronics and changing demands do make necessary changes in education of power electronics.
		In this paper a web-based learning tool for Power Electronics and two project-oriented practical for power electronics education are introduced: problem-based learning in the first year of study (theme project) and the design-oriented practical for the fourth year of study as a supplement to lectures on power electronics.
	www.epe-association.org /epe/documents.php?current=165 (734 words)

	Basic Electricity and Electronics 2 (Site not responding. Last check: 2007-11-04)
		Polyphase Circuits : Three phase system of voltages and currents, star and delta connection, balanced three phase circuit, relationship between line and phase currents and voltages, phasor diagram, power in three phase circuits, measurement of power by one wattmeter, two wattmeter and three wattmeter methods.
		development of equivalent circuit, phasor diagram, O.C. and S.C. tests, efficiency and regulation, all day efficiency, condition for maximum efficiency.
		Semiconductor Electronics : PN diode construction, characteristics, effect of temperature on diode, rectification using diodes, C, L, LC and PI filters.
	web.ics.purdue.edu /~smdas/courses/bee2.htm (145 words)

	ECTRN 135-Mathematics for Electronics (Site not responding. Last check: 2007-11-04)
		To recognize, classify, define and solve problems involving first and second level expressions, systems of equations, imaginary numbers, Phasor Algebra, logarithm number systems and Boolean Algebra.
		The student will be able to recognize, classify, define, and solve problems involving first and second level expressions, systems of equations, imaginary numbers, Phasor Algebra, logarithms, number systems and Boolean Algebra.
		The student will be able to analyze the given information, develop a strategy, formulate a solution, and interpret the solution in AC electronic and nonelectronic problems.
	www.solano.edu /webcms/display.asp?course_id=11321&print=1 (228 words)

	Electronics 2005
		This course is offered to Electronics Engineering Technology students and to students desiring advanced concepts in electric network analysis.
		Phasor notation is introduced and used in ac circuit analysis and in network theorems that were introduced in previous courses.
		Laboratory exercises which include the use of circuit simulation software are used to reinforce concepts presented in the classroom.
	www.rctc.edu /catalog/1999-Archive/courses/elec2005.html (87 words)

	Amazon.com: Electronics and Communications for Scientists and Engineers, First Edition: Books: Martin Plonus (Site not responding. Last check: 2007-11-04)
		Class-tested with 300 students at Northwestern University, Electronics and Communications for Scientists and Engineers has been written to meet the recent recommendations of the ABET Criteria 2000 standards for revised engineering curricula.
		This text covers the essential topics of electronics and communications that need to be understood by students and practitioners in various engineering fields and applied sciences.
		Electronics deals with voltage and current interaction in a network of resistance R, inductances L, capacitances C, and active elements such as transistors.
	www.amazon.com /exec/obidos/tg/detail/-/0125330847?v=glance (698 words)

	Connecting Industry, for Industrial, OEM and Manufacturing professions (Site not responding. Last check: 2007-11-04)
		Believed to be the first of its kind in the UK, the versatile AV2 Phasor has dual optics which enables it to read both high density Data Matrix and large, low density linear barcodes.
		Previously more than one reader was required to read a variety of codes but the AV2 Phasor simultaneously reads ‘near field’ and ‘far field’ images and automatically discriminates between the two.
		Small, ergonomic and competitively priced, the AV2 Phasor is said to be the first code reader to give users the options of a palm-held reader, detachable pistol-grip, or fixed-head configuration in one single product.
	www.connectingindustry.com /news_story.asp?story_id=15007 (278 words)

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