Re: FFT windows question

martin griffith wrote:
Just mucking around with LTspice, on a little low noise smps.
I've got a litttle loop instability problem giving me a small 2KHz
signal on the o/p, at about -70db

I'm a bit confused when using the FFT. Which window, Hann, Blackman,
Hamming etc will give me the best idea of what is going on?

Ta


martin


These days, doing a plain old DFT instead is not that big a deal.
And completely eliminates ALL windowing problems.

Many examples at http://www.tinaja.com/magsn01.asp



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Many thanks,

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Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
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