The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: Don Pearce
Subject: Re: How does a mixer work?
Date: Fri, 18 Oct 2002 11:28:27 +0430
References: <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <3DAFAB4E.35046B22@imit.kth.se> <3DAFAFB3.F78192C6@imit.kth.se>
X-Newsreader: Forte Agent 1.91/32.564
On Fri, 18 Oct 2002 08:52:35 +0200, Uwe Zimmermann
>Don Pearce wrote:
>> Thanks, I am aware of all this, indeed I have written papers on the
>> operation of mixers for Marconi Instruments in the past. What I was
>> trying to do was get Richard Walz to explain his assertion that when
>> you add sine waves you can wind up doing an effective multiplication.
>> Any clues there?
>...of course not, since you are not mixing....
>if you are not leaving the linear region, then you'll never end up
>with mixed frequencies, that's what linearity is about:
>a function is linear when
>f(a+b) = f(a) + f(b)
>f(k*a) = k*f(a)
>where in this case a and b are two signals and k is a konstant factor
So you agree. Glad to know I haven't been left behind by new maths.
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup