[time-nuts] Harmonics suppression in ring oscillators

Attila Kinali attila at kinali.ch
Sun Mar 22 10:16:18 EDT 2015

On Fri, 20 Mar 2015 21:26:44 -0700
Hal Murray <hmurray at megapathdsl.net> wrote:

> dmendesf at gmail.com said:
> > You mean in a coaxial cable in a loop? It would be very fun... more  points
> > if you use a directional coupler to put the pulse in the loop.  Anyhow I
> > doubt it would settle to 1 :) 
> I was thinking of an amplifier in there someplace so the pulse wouldn't decay 
> simply due to the cable loss.

This is the description of how a delay line oscillator works.
While it is similar to a ring oscillator, there are certain things
that do not work exactly the same way. Rubiolas book[1, chapter 5]
contains a nice description of delay line oscillators and their

			Attila Kinali

[1] "Phase Noise and Frequency Stability in Oscillators",
by Enrico Rubiola, 2008

< _av500_> phd is easy
< _av500_> getting dsl is hard

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