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Re: [Amps] HV resistor source

To: "'Jim Garland'" <4cx250b@miamioh.edu>, <Amps@contesting.com>
Subject: Re: [Amps] HV resistor source
From: "Drax Felton" <draxfelton@gmail.com>
Date: Wed, 17 Apr 2013 00:06:12 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
So then what is the Radio Handbook talking about where it uses a 10ohm/20w
one between the plate choke and the +HV?



-----Original Message-----
From: Jim Garland [mailto:4cx250b@miamioh.edu] 
Sent: Wednesday, April 17, 2013 12:04 AM
To: 'Drax Felton'; Amps@contesting.com
Subject: RE: [Amps] HV resistor source

That's going to be quite a resistor, inasmuch as 4KV across a 30 ohm
resistor amounts to a half million watts of dissipation!  A 4KV pulse 50uS
wide, once per second, would dissipate 25W.
73,
Jim W8ZR

-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Drax Felton
Sent: Tuesday, April 16, 2013 9:53 PM
To: 'Amps'
Subject: [Amps] HV resistor source

 

So where does one find a 30 to 50 ohm 25 watt resistor that can safely
handle 4000v?

 

 

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