[AMPS] FW: Suppressor analysis
Mon, 14 Aug 2000 14:03:16 -0700
>> From: Steve Thompson[SMTP:email@example.com]
>> 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 <firstname.lastname@example.org>
>> >To: Steve Thompson <email@example.com>; AMPS <firstname.lastname@example.org>
>> >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.
>> >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
€ 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.
>> >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?
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- Rich..., 805.386.3734, www.vcnet.com/measures.
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