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[AMPS] FW: Suppressor analysis

To: <amps@contesting.com>
Subject: [AMPS] FW: Suppressor analysis
From: 2@vc.net (measures)
Date: Mon, 14 Aug 2000 14:03:16 -0700
>
>
>
>> ----------
>> From:        Steve Thompson[SMTP:rfamps@ic24.net]
>> Sent:        13 August 2000 07:42
>> To:  Peter Chadwick
>> Subject:     Suppressor analysis
>> 
>> Peter, I wonder if you might do me a favour? There's something wrong with my
>> subscription to amps and it won't accept my postings. Please could you
>> forward this for me?
>> 
>> >
>> >-----Original Message-----
>> >From: measures <2@vc.net>
>> >To: Steve Thompson <rfamps@ic24.net>; AMPS <amps@contesting.com>
To: <amps@contesting.com>
>> >Date: 07 August 2000 16:45
>> >Subject: Re: [AMPS] Suppressors
>> >
>> >
>> >EUR  A parasitic suppressor has two current paths whose EMFs are decoupled.
>> >Thus, the higher inductance path (L-supp) resonates the anode a bit
>> >lower in freq. than does R-supp.  The effect is similar to stagger-tuning
>> >an IF transformer to reduce Q/increase bandwidth.  .
>> >
>> >
>> >I've tried to analyse and visualise this from several directions, and I
>> >always end up with the conclusion that your description is wrong. 

ok

>>I reckon
>> >that you get a single overall effect which is the vector combination of the
>> >two paths through the suppressor. I'm wide open to correction here - can
>> >anyone else help?
>> >
>> >One way I looked at it was to apply Rich's analysis to a parallel tuned
>> >circuit - if we add another capacitor in parallel, do we get two different
>> >resonances, or one which is defined by the combined effect of all the
>> >components?

?  Steve  -  you added a capacitor instead of adding an inductor.  Whasup 
with that? Capacitors do not generate electro magnetic fields.  This 
problem does not involve 2 capacitors and one inductor.  It involves two 
inductors - whose emfs are not mutual - and one capacitor. 

cheers 
>> >
>> >The currents coming out of the two paths through the suppressor get added
>> >back together and then flow in common through the rest of the circuit -
>> >that's a different situation from the coupled tuned circuits in an IFT.
>> >
>> >To get two independent resonances because of the suppressor, would the
>> >electrons need to be clever enough to know if they went through the coil or
>> >the resistor?
>> >
>> >Steve
>> >
>> 
>> 
>
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>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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