[time-nuts] Injection locking

[Didier Juges]

This link will show you the effect of duty cycle on harmonic content:

http://www.ko4bb.com/Test_Equipment/Pulse_Modulation/

Didier KO4BB

------------------------ Sent from my BlackBerry Wireless thingy while I do other things... 

-----Original Message-----
From: Rex <rexa at sonic.net>
Date: Thu, 11 Feb 2010 02:09:48 
To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
Subject: Re: [time-nuts] Injection locking

Kit Scally wrote:
> ...
>
> On a related topic, I found some while ago - and promptly lost - a
> graph/chart showing harmonic level variations with varying duty-cycle of
> an input waveform.  This was to some degree a graphical representation
> of the Wenzel document referenced by Bruce recently.  Has anyone got a
> link to this document please ?
>
>
> Kit
> VK2LL 
>
>   

Is this the Wenzel document you are referring to?
http://www.wenzel.com/pdffiles1/pdfs/choose.pdf  ("Choosing a Frequency 
Multiplier's Waveform")

Figure 2 in that doc is a graph of Harmonic Amplitudes vs. pulse width. 
Is that what you were looking for? There are a couple of bar charts too, 
for specific duty cycles.




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