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From: mark@mips.COM (Mark G. Johnson)
Newsgroups: sci.electronics
Subject: Re: Ridiculous Impedance
Message-ID: <41043@mips.mips.COM>
Date: 23 Aug 90 02:30:26 GMT
References: <1770009@otter.hpl.hp.com> <1990Aug22.175909.3884@murdoch.acc.Virginia.EDU>
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>>Why does TAT-7 (Trans-Atlantic Telephone cable number 7) have
>>a characteristic impedance of 61.8 ohms?
>

Because its geometry (R2/R1) and its dielectric material (Er)
[along with God and James Clerk Maxwell] dictate it.

mj
-- 
 -- Mark Johnson	
 	MIPS Computer Systems, 930 E. Arques M/S 2-02, Sunnyvale, CA 94086
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