[sdiy] Plotting the phase of a filter with FFT or a Phase Comparator?

[cheater00 .]

Hi Neil,
On Wed, May 8, 2013 at 4:18 PM, Neil Johnson <neil.johnson71 at gmail.com> wrote:
> I've actually found Stewarts are sometimes *better* than eBay - I
> think for some stuff people get carried away.
> But I only mentioned them as a data point for comparison so you can
> get a rough idea of the relative prices this kind of kit goes for.

Can you recommend any other good places?

Cheers,
D.