[Amps] HF2500 Power Supply Caps

[George]

Ian and others,
What size glitch resistor would you use in an Alpha 77SX with two tubes?
73, George
W2GS

On 4/6/2014 2:39 AM, Ian White wrote:
>> Not all arcs happen ahead of the
>> glitch resistor or the HV fuse.
> Hopefully "ahead" was not what you really intended to write, Bill. The
> glitch (surge limiting) resistor protects against arcs that happen
> DOWNSTREAM toward the tube. The resistor will always help protect the
> tube and the RF components against arcs occurring inside the tube or
> anywhere in the RF section.
>
> The correct location for the HV fuse and the surge limiting resistor is
> directly connected to the top of the capacitor stack, so that it
> protects the maximum possible number of components downstream.
>
>
> 73 from Ian GM3SEK
>
>
>> -----Original Message-----
>> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Bill
>> Turner
>> Sent: 06 April 2014 07:15
>> To: amps at contesting.com
>> Subject: Re: [Amps] HF2500 Power Supply Caps
>>
>> ORIGINAL MESSAGE:          (may be snipped)
>>
>> On 4/5/2014 1:29 PM, Jim Thomson wrote:
>>> ##  use whatever size cap you want.
>> REPLY:
>>
>> I disagree. Use the smallest cap that will give you the performance you
>> need in terms of ripple and dynamic regulation. Anything beyond that is
>> a waste and potentially damaging. Not all arcs happen ahead of the
>> glitch resistor or the HV fuse.
>>
>> Good designers are paid big bucks to accomplish the job without
> overkill
>> on parts specs. Learn to be one.
>>
>> 73, Bill W6WRT
>>
>> _______________________________________________
>> Amps mailing list
>> Amps at contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>