Re: [Amps] PARALLEL CAPS IN OUTPUT

["Carl" <km1h@jeremy.mv.com>]

I havent even seen a theory espoused yet, just some ramblings.


----- Original Message ----- 
From: "Louis Parascondola" <gudguyham@aol.com>
To: <jim.thom@telus.net>; <amps@contesting.com>
Sent: Saturday, December 07, 2013 8:46 AM
Subject: Re: [Amps] PARALLEL CAPS IN OUTPUT


> Jim, if you know this to be true why do you call it a theory?    Just 
> wondering.
>
> ###  heres one way to test my theory.   Toss the load cap..and replace it 
> with a
> 50 ohm resistor....
> then wire from top of resistor with strap, wire etc, over to a coax
> connector......then  on to the
> MFJ-259B.   Now see if the MFJ says 1:1  swr.
>
>
>
>
>
>
> -----Original Message-----
> From: Jim Thomson <jim.thom@telus.net>
> To: amps <amps@contesting.com>
> Sent: Sat, Dec 7, 2013 8:22 am
> Subject: [Amps]  PARALLEL CAPS IN OUTPUT
>
>
> From: "Carl" <km1h@jeremy.mv.com>
> > To: "Jim Thomson" <jim.thom@telus.net>, <amps@contesting.com>
> > Subject: Re: [Amps] PARALLEL CAPS IN OUTPUT
>
>
> With all your bluster you still dont get it. All you are using is a short
> piece of shielded cable, impedance has no bearing since it is too short to
> present a meaningful reactance.
> Your load cap change is due to the added C to ground of that shielded 
> cable.
> Having it is beneficial if the cable is long or passes near other 
> circuitry
> such as the input. Lift the RG-8 shield on a SB-220 and see what happens.
> A high percentage of the ones I get thru here have cold solder joints 
> which
> will do wonders for stability.
>
> Carl
>
> ###  heres one way to test my theory.   Toss the load cap..and replace it 
> with a
> 50 ohm resistor....
> then wire from top of resistor with strap, wire etc, over to a coax
> connector......then  on to the
> MFJ-259B.   Now see if the MFJ says 1:1  swr.
>
> Jim   VE7RF
>
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