[time-nuts] Re: Simple simulation model for an OCXO?

[Bob kb8tq]

Hi

….. except that having done this for many decades on hundreds of
designs, , a single data set from a real OCXO is likely to show you 
things that millions of simulations from a formula will somehow miss ….

Bob

> On May 2, 2022, at 5:13 PM, Greg Maxwell <gmaxwell at gmail.com> wrote:
> 
> On Mon, May 2, 2022 at 10:01 PM Bob kb8tq <kb8tq at n1k.org> wrote:
>> By far the best approach is to use actual data. Grab a pair of OCXO’s and
>> compare them. A single mixer setup is one easy ( = cheap ) way to do it. You
>> will get the sum of the two devices, but for simulation purposes, it will be *much*
>> closer to reality than anything you can brew up with a formula.
> 
> But a programmatic way of generating plausible OCXO noise lets you
> generally millions of times more data, over a much larger spectrum of
> plausible operating conditions-- so that you can test the stability of
> an algorithm over a wider collection of conditions.
> 
> It's not a complete replacement for using real data-- you should do
> that too.  But it can be a much more comprehensive test.
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