[Amps] Follow-up...re: Time to ask for help.
Vic Rosenthal 4X6GP/K2VCO
k2vco.vic at gmail.com
Mon Jul 27 23:59:20 EDT 2015
Great minds think alike!
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
On 28 Jul 2015 04:18, Dick Hanson wrote:
> RF grounded screens (Eimac socket WITH bypass) + total 10K resistor(s) hung
> from screen to ground + swamped grid circuit = don't need no stinkin
> neutralization. Period.
> Especially at 6m.
>
> 73
> Dick, K5AND
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of
> donroden at hiwaay.net
> Sent: Monday, July 27, 2015 20:15
> To: amps at contesting.com
> Subject: Re: [Amps] Follow-up...re: Time to ask for help.
>
>
>> REPLY:
>>
>> I see a potential problem with that. Having only the single variable
>> capacitor will case a phase shift when adjusting it. By comparison the
>> bridge neutralization circuit with it's two voltage dividing caps will
>> not.
>>
>> I think. :-)
>>
>> 73, Bill W6WRT
>
>
> I used SK-630 sockets on four 4CX250Bs on six without neutralization.
>
> I think the secret to a stable six meter amp is well RF grounded screens.
>
>
> Don W4DNR
>
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