Re: [neonixie-l] Sperry radar clock now working!

[Instrument Resources of America]

The 900 Hz noise of which Morris is mentioning is 'most likely' being 
caused by physical vibration of the lamination's within one or more of 
the transformers, and there is not much that can be done about it, if I 
am correct. But I'll wait and see along with the rest of us as to what 
Morris has to say about it.   Ira.

On 7/15/2014 6:21 AM, Oscilloclock wrote:
Morris that is truly awesome. I admit to having no clue how this could work after all, and to 
having to go back and re-read your "Saga of the Sperry part 3" article - and I suspect 
I'll do so several times more before I "get it"!

Would a simple noise-canceling unit tuned to the transformer frequency help to 
reduce the noise?

Well done so far.

Aaron


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