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Faster than This Speeding Train, Superman?
Kirt's Cogitations™ #150

These original Kirt's Cogitations™ may be reproduced (no more than 5, please) provided proper credit is given to me, Kirt Blattenberger.

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   Cog·i·ta·tion [koj-i-tey'-shun] – noun: Concerted thought or
                                        reflection; meditation; contemplation.
   Kirt [kert] – proper noun: RF Cafe webmaster.


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Faster than This Speeding Train, Superman?

On December 2, 2003, a magnetically levitated train developed by the Central Japan Railway Company set a world speed record of 581 km/h (361 mi/h). The train is planned to run a normal 500 km route between Tokyo and Osaka in one hour. Liquid-helium-cooled superconducting electromagnets are sequentially repelled and attracted by conductive coils in the track's sidewalls for propulsion. To minimize friction, the entire train is magnetically levitated above and between the rails. For comparison, the famed American P-40 Warhawk and British Spitfire of WWII had about the same top speed in level flight.
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RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
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