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[Amps] Nonsense

To: <amps@contesting.com>
Subject: [Amps] Nonsense
From: w8ron@stratos.net (Ron)
Date: Thu, 16 May 2002 22:20:44 -0400
Hold on here a second..
If you didn't pick 6 and 8 Mhz then your whole argument falls apart.
What does a mixer have to do with the generation of harmonics related to
non linear amps of a single signal?
Givin a pure single signal , an amplifier will not gerenate a sub harmonic
as all linear perturbations are of higher frequency content.

His statement is correct but in this case , the amplifier may be acting as
a mixer with two signals present at the input that the operator has not
identified as yet.
That , I believe , is quite a different situation than the  generation of
"sub harmonics".
---
Ron



"J. Leon Pringle, Jr and Audrey S. Pringle" wrote:

> OM:
>
> I don't have a dog in this fight and don't desire to pick an argument.
>
> Before you identify something as non-sense have you considered the
> following?  Lets assume we have two signals going into a heterodyning
> mixer stage and the two frequencies are 6 MHz and 8MHz.  On the output
> of that mixer one could expect to find 4 signals, not two signals.
> That is the two fundamental signals of 6 MHz and 8 MHz as well as the
> sum frequency and the difference frequency of the two applied signals
> or 2 MHz and 14 MHz.
>
> You will note that 2, 6, 8, 14 are even multiples or harmonically
> related to a specific integer.  I don't know what you would call it
> unless you called it harmonics (higher and sub).  Perhaps the
> engineering school I attended was wrong and the professors didn't know
> what they were talking about.  I learn something new every day so
> perhaps this is it for this day.  Thanks for enlightening me.
>
> 73,
> Leon  W5NA
>
> It seems to me that saying it is non-sense is a bit exaggerated
> ----- Original Message -----
> From: <i4jmy@iol.it>
> To: <amps@contesting.com>
> Sent: Thursday, May 16, 2002 6:30 AM
> Subject: [Amps] Nonsense
>
> > Tecnically, sub-harmonic is a pure nonsense.
> > It shouldn't be a term used to identify a frquency product that's
> > obtained by specific and peculiar situations.
> > It would be bad and didactically misleading if someone here did take
> it
> > seriously.
> >
> > 73,
> > Mauri I4JMY
> >
> >
> >
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> > Amps@contesting.com
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>
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