[Boatanchors] Carbon Comp V ratings

[K5MYJ]

This is not true. The coil is a short at HF frequencies. You need to learn 
how parasitic suppressor work.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Brian" <brianclarke01 at optusnet.com.au>
To: <boatanchors at mailman.qth.net>; "Bill Cromwell" <wrcromwell at gmail.com>
Sent: Wednesday, February 14, 2018 6:39 PM
Subject: Re: [Boatanchors] Carbon Comp V ratings


> Hello Bill,
>
> Your assertion is only true when there is no RF on the plate. When the 
> tube is driven to full saturation, there will be nearly + and - 1200 V 
> alternating across the parasitic resistor.
>
> 73 de Brian, VK2GCE.
>
> -----Original Message----- 
> From: Bill Cromwell
> Sent: Thursday, February 15, 2018 1:15 PM
> To: boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] Carbon Comp V ratings
>
> That parasitic surpessor is not across the B+ supply to ground. It is in
> series in the plate circuit so 1200 volts B+ on one side and um...pretty
> darn close to 1200 volts on the other end. Just keep the golden
> screwdriver clear of it ;)
>
> 73,
>
> Bill  KU8H
>
>
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