How to improve frequency range of the regenerative divider?

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davison7

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regenerative frequency divider

Dear all,

I design a regenerative frequency divider that is operated at 8GHz but the circuit just has a fequency range of 2.5 GHz at 8 GHz. So how to improve frequency range of the regenerative frequency divider?
 

regenerative divider how it works

There are a few good papers linked from the text on my site, although I was working at much lower frequencies. See http://www.thegleam.com/ke5fx/regen.htm.

Regenerative dividers are pretty twitchy due to the (obviously) frequency-dependent nature of the phase shifter element. It isn't very practical to cover multiple octaves with a single delay element -- in fact, I'm surprised yours works continuously from 2.5 GHz to 8 GHz.

Wenzel Associates sells prepackaged regenerative dividers, if you're just looking for a ready-to-use implementation.
 

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