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Topic: Power plane

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	[No title] (Site not responding. Last check: 2007-11-03)
		Power supply droop is the term used to describe the decrease in voltage at the power supply terminal of the device due to the flow of transient load current through the inductance of the power supply conductor.
		Power plane 18 and second signal plane 20 are separated by a third dielectric layer 26.
		During use of interconnecting apparatus 10, power plane 18 is connected to a power terminal of an electrical power supply, and ground plane 16 is connected to a ground terminal of the power supply.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/39562.010531&ELEMENT_SET=DECL (5165 words)

	Printed circuit board including a terminated power plane and method of manufacturing the same - Patent 5898576
		The ground plane is spaced from the power plane by the dielectric layer, and is positioned in an opposed relationship to the power plane.
		In one embodiment, the power plane is substantially rectangular in shape and has first, second, third and fourth side edges, and the method includes the step of coupling the plurality of termination elements between the power plane, at or adjacent the first side edge thereof, and the ground plane.
		The "power plane" 45 of equivalent circuit 46 is furthermore shown to be terminated by a termination element 48, comprising a capacitive component 48.2 and a resistive component 48.3.
	www.freepatentsonline.com /5898576.html (4971 words)

	Homeglossary.com - The World's Most Complete Real Estate Directory
		Combination of a miter box with a powered circular saw that is mounted on a table, using a hinge so that it can be set to cut at angles from 45 to 90 degrees, making a portable substitute for a radial arm saw and is used to cut trim and molding on site.
		Power driven, portable plane that smoothes and whittles away at the size of a piece of wood.
		Screwdriver, either electrically powered or cordless (battery powered) with interchangeable bits which may be used to drive fasteners into wallboard or panels or to drill holes with the drill bits.
	www.yourwebassistant.net /glossary/p15.htm (809 words)

	Power plane support apparatus - Patent 5146959
		A power plane is mounted between opposed side plates and positioned upon respective first and second support plates that are in turn secured to interior surfaces of the side plates in confronting relationship to position and orient the plane structure relative to a workpiece top surface.
		To attain this, the present invention provides a power plane mounted between opposed side plates and positioned upon respective first and second support plates that are in turn secured to interior surfaces of the side plates in confronting relationship to position and orient the plane structure relative to a workpiece top surface.
		More specifically, the power plane support apparatus 10 of the instant invention essentially comprises a first side plate 11 that is arranged as a mirror image configuration of a second side plate 12, wherein the first and second side plates are in a parallel coextensive relationship relative to one another.
	www.freepatentsonline.com /5146959.html (1863 words)

	System for controlling power plane of a printed circuit board by using a single voltage regulator to control switches ... (Site not responding. Last check: 2007-11-03)
		During a second power mode, such as a low power mode, the drive terminal of the voltage regulator is coupled to turn off the second transistor and to turn on the first transistor to provide auxiliary power to the first power plane from the auxiliary power supply through the turned-on first transistor.
		wherein during a second power mode, the drive terminal of the voltage regulator is coupled to turn off the second transistor and to turn on the first transistor to provide auxiliary power to the first power plane from the auxiliary voltage supply through the turned-on first transistor.
		To meet specification requirements for full power and low power modes, PCI board designers generally use a voltage regulator to control power to one power plane and a separate voltage regulator to control power to another power plane, if separate power planes are present.
	www.patentstorm.us /patents/6681335.html (3885 words)

	Great Planes Power Plane
		The Power Plane’s spiral cut drum cutter quickly and efficiently removes material, leaving behind a surface ready for final sanding.
		Set the depth of cut adjustment, plug it in and the Power Plane’s rotary blade removes as much as 0.030” of unwanted material in one fast, clean pass.
		Push the twin on-buttons simultaneously, and the Power Plane powers through glue joints, changing wood densities — even end-grain balsa wood — the same way: quickly and easily.
	www.towerhobbies.com /products/greatplanes/gpmr4030.html (303 words)

	Popular Mechanics - Power Plane (Site not responding. Last check: 2007-11-03)
		And when it comes to planing, the choice for rapid removal of stock is clearly the power plane.
		The nominal size of power planes is determined by the width of the cutterhead.
		Power planes throw off a generous amount of dust and shavings.
	www.popularmechanics.com /home_improvement/databases/pt/1318536.html (467 words)

	Laminar stackable circuit board structure with capacitor - Patent 5745333
		a second via extending through the first power plane, the second power plane and the first dielectric layer, electrically connected by a contact to a planar surface of the first power plane and electrically insulated from the second power plane by the relatively thick second dielectric layer.
		Lastly, since the capacitors are surface mounted devices, the ground and power supply connections must be routed to the surface at the capacitor leads, introducing resistance and inductance in the decoupling path.
		Note in particular that the power supply via at 47 and the ground via at 48 are situated in immediate vertical alignment with the respective balls 42 and 44.
	www.freepatentsonline.com /5745333.html (4238 words)

	[No title]
		Therm_Gnd Plane with embedded pads and stub traces to the pads 2.
		Note that the Therm_Gnd Plane on the component side may be removed from the areas of sensitive analog stuff.
		Note that the Power Plane may be removed from the areas of sensitive analog stuff.
	www.pa.msu.edu /people/edmunds/fast_ir_camera/Rock_Card/rock_design_details.txt (812 words)

	What happens if a jet plane loses power in all engines
		All modern planes can continue their take-off procedure with the loss of one engine (even if they only had two engines to start with) but if they lose all power in all engines, then the pilot has very little time or opportunity to urgently turn the plane around and to return back to the airport.
		If the plane loses all power while at cruise altitude, the first thing the pilot needs to do is to realize that he has irrevocably lost power and to switch his focus from trying to recover power to planning how and where to land.
		Logically, the plane is either over a developed urban area, which reasonably implies the presence of an airport nearby, or alternatively, it is over undeveloped area, which hopefully means open fields (but not mountains!).
	www.thetravelinsider.info /2003/0314.htm (2812 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		For those vias connecting a decoupling capacitor to a power/ground plane, the 'mounted inductance' of a cap depends on the size of the current loop formed by the cap pins, the fanout, the vias and the pwr/gnd plane structure - the bigger the loop area the higher the inductance.
		When a noise source is assigned to the main plane does PI calculate the noise on the smaller islands or do i have to guess the amount of delta current for this particular island.
		Power integrity does not allow me to set up such plane pair as they are on the same layer.
	www.cadence.com /dnn_instance/desktopmodules/ntforums/viewer.aspx?attachid=8 (8848 words)

	Power Supply and Ground Design for a WiFi Transceiver - Maxim/Dallas
		Given a four-layer board, as is commonly used in WLAN routing, a typical stack-up would use the top layer for component placement and RF routing, a ground plane on the second layer, power routing on the third layer, and whatever signal routing remains on the fourth layer.
		Placing an uninterrupted ground plane on the second layer is imperative for establishing well controlled impedances for the RF signal paths.
		The general rule is to avoid cross-interference by using a ground plane to shield the RF section from other circuitry in the board.
	www.maxim-ic.com /appnotes.cfm?an_pk=3630 (2324 words)

	Measuring Power Plane Resonance
		Capacitance of the rectangular plane is 6690pF and the circular plane is 6550pF.
		They are operating into what is, to them, a virtual short-circuit, We had hoped to be able to excite the planes at there center with a pulse of variable risetime and observe it as it propagated out to the edge.
		The method in our madness in making the 2 planes in the shapes we did was to actually observe the propagation delay difference of the phantom reflections returning from the plane's edges.
	www.sigcon.com /Pubs/news/2_27.htm (1297 words)

	Power plane question, (for North Bay CA) - RC Groups
		His house was kitchen and planes, if you know what I mean.Also, many of the planes are stored in full scale hangers (friends).
		I heard that some of the planes belonged to a gentleman that had recently passed away.
		Terry the transmitter, the RCGroups name and logo, The E Zone, Lift Zone, and RC Power are all trademarks of RCGroups and Jim Bourke.
	www.rcgroups.com /forums/showthread.php?t=14300 (527 words)

	EMC Compliance Club (Site not responding. Last check: 2007-11-03)
		When a power plane is extended in area to embrace all of the ICs its power bus services, and all of their decaps, we find we now have a much higher number of decaps in parallel.
		An interesting observation is that when the spacing between the 0V and power planes in the pair is less than 250µm (10 thousands of an inch) the placement of the decaps with respect to their ICs becomes less critical, easing PCB layout [20].
		The power plane is on an internal layer of the PCB and has a 0V plane on both sides, each of these 0V planes extending beyond the power plane by a distance that is equivalent to at least 20 times their spacing from the power plane
	www.compliance-club.com /currentissue/print_article.asp?artid=157 (6797 words)

	Power-Plane Sports (from aerial sports) -- Britannica Student Encyclopedia (Site not responding. Last check: 2007-11-03)
		These sports may use powered planes, lighter-than-air balloons, gliders, parachutes, or...
		The aspect of medical care that focuses on diet and exercise programs for athletes, monitors them as they train and compete, and helps to prevent or to treat sports-related injuries is called sports medicine.
		Power prayer is an exciting, charismatic part of praying for a Christian.
	www.britannica.com /ebi/article-195805?tocId=195805 (928 words)

	Porter-Cable 9125 3-1/4' Power Plane Kit
		Porter-Cable's Power Plane kit is a great tool for professionals and do-it-yourselfers that need full-featured power planes without busting their budgets.
		With a maximum planing depth of 1/8 inch and a rabbiting depth of 7/8 inch, this Porter-Cable offers performance on par with any comparably priced model.
		I bought it to plane out bowed wall and ceiling studs prior to installing sheetrock (which is pretty tough duty because the wood is old, dry and hard).
	www.literacyconnections.com /0_B0000222Z9.html (674 words)

	U.S. Pregrant 20040245011 - POWER PLANE SPLITTING USING A CONTOUR METHOD (Site not responding. Last check: 2007-11-03)
		The method enables the traces on a power plane to be organized so that the conductor area is expanded while still ensuring that components with similar power supply requirements are coupled to the same trace.
		A potential field of a power plane of a printed circuit board is calculated by assigning one or more potential values to one or more components coupled to the printed circuit board and solving for a plurality of potential field values at a plurality of locations between the one or more components.
		One or more traces on the power plane are created using the one or more boundaries, wherein the one or more traces connect a corresponding one or more pluralities of components and each plurality of components of the one or more.
	cxp.paterra.com /uspregrant20040245011.html (241 words)

	Power Plane completely wrong?!? - OrCAD Community (Site not responding. Last check: 2007-11-03)
		When I look at the layers in Post Process Preview, all except the power layer change to the blue only plot, and are correct.
		If I run a post process and check in GerbTool or other Gerber viewer, the power plane is shorted to all the vias, or if you make it a negative, nothing is connected.
		I've checked that there are no obstables of such on the power plane.
	www.orcad.com /forums/PrintPost.aspx?PostID=9613 (117 words)

	(WO 01/017111) A SYSTEM AND METHOD FOR ANALYZING SIMULTANEOUS SWITCHING NOISE [Repub: 19.09.2002] (Site not responding. Last check: 2007-11-03)
		The electronic circuit may include a plurality of drivers, each of which may be coupled to a power plane, a ground plane, and a transmission line.
		The modeled electronic circuit may also include a voltage source coupled to the power plane and the ground plane, a voltage regulator module, and a plurality of decoupling capacitors.
		The transmission line solution and power plane solution may be superimposed on each other, which may allow for an analysis of plane bounce, which may include one or more fluctuations in the voltage between the power plane and the ground planes.
	wipo.int /cgi-pct/guest/getbykey5?KEY=01/17111.020919&ELEMENT_SET=DECL (350 words)

	power plane issue
		I am having a single 6V power coming in to the board using an adapter and this i am splitting into the required analog an digital vdd's using appropriate voltage regulators.
		Now i have to split the power plane into 4 islands intellegently such that I can place the components and directly put a via from their respective pins to the voltage plane.
		If use a whole plane as GND (both analog and digital), there must be some other VCC or VDD planes are in parallel to the GND copper, that's a big trouble of EMI.
	www.edaboard.com /ftopic116269.html (677 words)

	米国特許公開公報 20030169121 - Method and apparatus to attenuate power plane noise on a printed circuit board ... (Site not responding. Last check: 2007-11-03)
		In another embodiment of the invention, a printed circuit board is described with components and characteristics that reduce noise.
		Such a printed circuit board includes a power plane and a plurality of bypass components.
		Moreover, the plurality of bypass components include bypass capacitors and bypass resistors coupled in series between the positive power plane and the negative power plane.
	cxp.paterra.com /jp/uspregrant20030169121.html (194 words)

	Power Plane Resistance
		The worst of the lot chopped the power plane into a profusion of irregular zones, just like a map of the Balkans.
		Don't worry too much about the wire radius, though, because the radius of the connection point enters the resistance formula only inside a logarithm; it has little influence on the final result unless the vias are particularly close together.
		The difference between the reality and the formula is due to current crowding at the boundaries of the finite plane.
	www.sigcon.com /Pubs/edn/ppresistance.htm (572 words)

	Engineering students need a few good athletes to power plane (Site not responding. Last check: 2007-11-03)
		The students are in charge of designing a structure that can transport and catch the plane when it lands.
		The plane, when constructed using carbon fiber matte surrounded by a foam core, will span 115 feet - bigger than a Boeing 737.
		In order to make a plane light enough to be powered by a human, the crew has made it flight-worthy but not very strong.
	archives.thedaily.washington.edu /1995/110295/few.html (508 words)

	Sun will power us into paradise - Environment - www.smh.com.au
		In the not too distant future silent cars will glide around our city streets, rooftop panels harnessing the sun's energy will generate enough power for the whole country, the pace of global warming will have slowed and power lines will be replaced by underground pipes.
		Australia will be one of the wealthiest countries in the world - the new OPEC - having beaten the rest of the world in harnessing the power of the sun to produce hydrogen from solar energy.
		Based on present rates of energy consumption and taking into account the cost of declining air and water quality, the effect of global warming on insurance premiums and declining quality of life, Professor Veziroglu has estimated it costs $22.11 to create one gigajoule of energy from fossil fuels.
	www.smh.com.au /articles/2004/08/26/1093518006792.html (686 words)

	Model Airplane News: Great Planes: Power plane
		The new Great Planes' Power Plane is a handy workbench tool and a great timesaver.
		The Power Plane removes material from flat surfaces as easily as an electric-powered rotary cutter, but you can also set the depth of the cut accurately (as finely as 0.030 inch at a time).
		I have used the Power Plane on balsa and lite-ply sheeting, and it works very well.
	newssearch.looksmart.com /p/articles/mi_qa3819/is_200206/ai_n9147394 (377 words)

	Technology News: Cutting Edge : NASA Team Powers Plane with Remote Laser
		Officials at NASA's Marshall and Dryden flight centers, as well as the University of Alabama in Huntsville, report the flight is the first use of laser light energy to power a plane.
		Researchers, who indicated multiple laser sources could be used to prevent interruptions and distribute power needs, said the demonstration flight was a key step toward the capability to beam power to a plane aloft.
		Other efforts to harness laser light for power include a U.S. defense experiment three years ago that fired a grapefruit-size projectile using a laser, and a Japanese effort in 2002 that used a laser (in addition to evaporation) to fuel a small paper airplane.
	www.technewsworld.com /perl/story/31829.html (762 words)

	Toolking \| Porter Cable 9125 3-1/4inch Power Plane Kit (Site not responding. Last check: 2007-11-03)
		When you can't bring the work to a jointer, use a portable power plane.
		This 3-1/4-inch power plane is perfect for on-site tasks trimming doors or scribing countertops and fillers for installation.
		The 6 amp motor packs plenty of punch for any planing operation.
	www.toolking.com /pt.aspx?itemid=17611 (225 words)

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