[time-nuts] 5 MHz Frequency Doubler

wa1zms at att.net wa1zms at att.net
Thu Oct 26 16:37:23 EDT 2006


For what my 2 cents are worth.....

I've used the Wenzel design diode based multiplier many times and have had very good results with regards to close-in as well as far phase noise.

A simple schematic of my circuit application can be found at:
http://www.mgef.org/images/134-5_to_10MHz_doubler_Ver_II.gif

-Brian, WA1ZMS


> On Wed, 25 Oct 2006 23:13:55 -0700, "Christopher Hoover"
> <ch at murgatroid.com> wrote:
> 
> > 
> >Hey 'nuts,
> > 
> >I'm looking for a good design for a 5 MHz frequency doubler.
> > 
> >The Wenzel Blue Tops HF doubler is said to be  based on a low phase
> >noise, public-domain NIST design:
> > 
> >
> > <http://www.bluetops.com/Modules/lnhd.htm>
> >http://www.bluetops.com/Modules/lnhd.htm
> > 
> >The LNHD is a fixed-frequency HF doubler based on a public-domain design
> >developed by the National Institute of Standards and Technology (NIST
> ><http://www.boulder.nist.gov/timefreq/> ) for superlative phase noise
> >performance.
> >
> > 
> >Can anyone point me at a this design?  I haven't had any luck finding it
> >on the web.
> > 
> >I'm open to suggestions on other doubler designs, as well.  
> > 
> >-ch



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