DipTraceFiles.zip
	Chassis.dch			= chassis schematic
	Neg-Switcher.dch	= Negative regulator schematic
	Neg-Switcher.dip	= Negative regulator circuit board
	Pos-Switcher.dch	= Positive regulator schematic
	Pos-Switcher.dip	= Positive regulator circuit board
Docs.zip
	AN2031.pdf			= Maxim DC-DC Convertor Tutorial
	LM2673.pdf			= LM2673 Data Sheet
	Reg_LM2575.pdf		= LM2575 Data Sheet
	SwRegOver.pdf		= National Semiconductor Switching Regulator Overview
PCBfiles.zip
	Copper-Bot.jpg		= Positive Regulator bottom side copper - can be used as photo master
	Copper-BotX4.gbr	= Positive Regulator bottom side copper, 4 circuits - Gerber file
	Copper-BotX4.jpg	= Positive Regulator bottom side copper, 4 circuits - can be used as photo master
	Copper-Top.jpg		= Positive Regulator top side copper - can be used as photo master
	Copper-TopX4.gbr	= Positive Regulator top side copper, 4 circuits - Gerber file
	Copper-TopX4.jpg	= Positive Regulator top side copper, 4 circuits - can be used as photo master
	Neg.drl				= Negative Regulator drill file
	Neg-Copper-Bot.gbr	= Negative Regulator bottom side copper - Gerber file
	Neg-Copper-Bot.jpg	= Negative Regulator bottom side copper - can be used as photo master
	Neg-Copper-Top.gbr	= Negative Regulator top side copper - Gerber file
	Neg-Copper-Top.jpg	= Negative Regulator top side copper - can be used as photo master
	Neg-Silk-Bot.jpg	= Negative Regulator bottom side silk screen
	Neg-Silk-Top.jpg	= Negative Regulator top side silk screen
	Silk-Bot.jpg		= Positive Regulator bottom side silk screen
	Silk-Top.jpg		= Positive Regulator top side silk screen
	Switcher.drl		= Positive Regulator drill file
	SwitcherBot.gbr		= Positive Regulator bottom side copper - Gerber file
	SwitcherTop.gbr		= Positive Regulator top side copper - Gerber file
	SwitcherX4.drl		= Positive Regulator drill file, 4 circuits

Note: for sending files to a PCB manufacturer you need to send the appropriate .gbr and .drl files.

Switcher.zip
	BOM Switcher.xls	= Bill of Materials for the full system
	Picture-1 Front.jpg	= photo of the front panel of the system
	Picture-2 Top Open.jpg = photo of the inside of the system looking from the top
	Picture-3 CktBoard-top.jpg = photo of the top side of the assembled X4 circuit board
	Picture-4 CktBoard-botom.jpg = photo of the bottom side of the assembled X4 circuit board
	Picture-5 Spectrum.gif = Spectrum Analyzer
	Picture-6 Spectrum.gif = Spectrum Analyzer
	Picture-7 Spectrum.gif = Spectrum Analyzer
	PowerSupply.doc		= Article text
	Schematic-1 PosReg.jpg = Positive Regulator schematic
	Schematic-2 NegReg.jpg = Negative Regulator schematic
	Schematic-3 Chassis.jpg = Chassis schematic