[time-nuts] Why a 10MHz sinewave output?

[paul swed]

Well right you are thats why todays chips have equalizers and such.
But then its all getting crazy complicated even though its in a itty bitty
chip.
My distribution is made of high quality television analog amps and I have
in general made amplifiers and such with parts I can still easily pickup
and solder to.
But still I always do wonder about tinkering with a square wave dist
system. Though I doubt I will ever actually do anything.
KISS is the general principal.
Regards
Paul.

On Mon, Feb 6, 2012 at 9:37 AM, Jim Lux <jimlux at earthlink.net> wrote:

> On 2/6/12 6:14 AM, paul swed wrote:
>
>> Indeed the long cable runs are tough. Though today we have differential
>> cable drivers that do quite well to the Ghz range. But certainly back in
>> the dark ages the sine wave was a very reasonable way to go.
>> Regards
>> Paul
>>
>>  we may have GHz bandwidth drivers, but that doesn't solve the issue of
> frequency dependent propagation through a cable.  At lowish frequencies
> (<100 MHz) I'd suspect that the difference is more one of amplitude than
> phase, but still, it's something that has to be dealt with.
>
> One could just have a narrow band filter at the receiving end to pick up
> only the fundamental, but then, why not just send only the fundamental.
>
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