Re: [SI-LIST] : Interesting theoretical questions

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From: Larry Miller (ldmiller@nortelnetworks.com)
Date: Tue Nov 02 1999 - 07:34:38 PST


Really? I wonder what the range of that would be.

Years ago, Watkins-Johnson Co built battlefield comm walkie-talkies that
ran at 100 GHz and were more or less guaranteed to not go more than 100
feet or so.

Larry Miller

At 06:31 AM 11/2/99 -0600, you wrote:
>> I have some theoretical questions regarding high frequency signals:
>>
>> 1) What is the maximum frequency you can generate electronically by our
>> current technology (GaAs???)? Can we have an oscillator that can oscillate
>> in the frequency of the visible light, for example?
>
>A handful of organizations are using 180 GHz carrier frequencies for
>wireless communications, and there is development towards 1 THz
>devices. To learn more, check out the IEEE MTT Symposium
>held in June each year (www.mtt.org); they usually present some
>of the latest developments.
>
>
>
>
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