[time-nuts] Bye-Bye Crystals

jimlux jimlux at earthlink.net
Tue Mar 14 21:01:01 EDT 2017

On 3/14/17 3:49 PM, Magnus Danielson wrote:

> There is a number of more or less odd-ball frequences that occur. For
> instance, 25 MHz isn't used as much as 125 MHz these days for Ethernet,
> as it matches the needs of GE. 148,5 MHz is another, in that range there
> is a number of numbers that fit various gigabit-pipes divided by numbers
> like 10, 16, 20, 32, 64, 66 and such. SAW oscillators is another
> approach used there.

I would suggest we look to our Babylonian forebears and choose 360 as 
the mother of all frequencies. Just because we have ten fingers and ten 
toes is no reason to be slaves to frequencies like 10 or 100 MHz.  Cast 
off the shackles deriving from Roman counting.

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