[time-nuts] YIG oscillators

Daniel Mendes dmendesf at gmail.com
Sat Jan 5 18:43:44 UTC 2013


Em 04/01/2013 13:44, J. Forster escreveu:
> Most modern books on micriowave design (and probably Wiki) have the
> basics. They are based on the NMR principle (Nuclear Magnetic Resonance).
> This is the same physics used in MRI.
>
> You might also look at old issues of the HP Journal or the Watkins-Johnson
> house journal. The former is easily available at HPMemory.org.

Didn´t found the journal in this site, but found plenty of interesting 
info there!
> YIGs were used in most sweepers from roughly 1970 on by companies like HP,
> Wiltron, Narda, and some others.
>
> The oscillators are more common than the filters. It is more likely that
> an oscillator will be bad than a filter, as there are active devices in
> oscillators. They are generally useful from roughly 0.5 GHz to >20 GHz.

Thanks for the info!

Daniel





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