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[AMPS] Another arc question

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Subject: [AMPS] Another arc question
From: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK)
Date: Fri, 8 May 1998 13:54:55 +0100
Rich Measures wrote:
>
>When one calculates the admittance and parallel-equivalent resistance 
>(Rp) of the VHF suppressor's Ls/Rs parallel circuit, one finds that as Rs 
>and Ls Increase, the resultant Rp Decreases.   Thusly, Rp could be 
>decreased if the existing 100 ohm Rs were replaced by 250 ohms.  However, 
>if the 100 ohm resistor were paralleled by a 250 ohm resistor, as Mr. 
>Stewart suggests, the resultant 71 ohms of Rs  Increases Rp, which would 
>move the Rp curves farther apart.  
>
Sorry, Rich, that's flat-out wrong. I wonder if you truly understand
series-parallel transformations.

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.demon.co.uk/g3sek

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