Getting 6M type acceptance is expensive and Steve doesnt sell that many
anyway to justify.
I just got thru converting a LK-800C to 6M. It uses three 3CPX800's and with
150W drive and 3KV Ep it sure makes a 5 kW Bird slug move far right!
Carl
----- Original Message -----
From: "Roger" <sub1@rogerhalstead.com>
To: "Carl" <km1h@jeremy.mv.com>
Cc: <ka4inm@tampabay.rr.com>; "amps" <amps@contesting.com>
Sent: Saturday, November 07, 2009 10:02 AM
Subject: Re: [Amps] PSU design question
>
>
> Carl wrote:
>> Google is still your best friend. One has to be into VHF/UHF to know
>> about Steve's products.
>>
> I have a link to his site on my page. What I haven't figured out is why
> the 6-meter amp is export only when it's a legal limit amp with the same
> tubes as the other amps unless it hasn't been approved yet.
> Man, just think, a pair of 3CPX-800s for local packet! <:-))
> 73
>
> Roger (K8RI)
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "Ron Youvan" <ka4inm@tampabay.rr.com>
>> To: "amps" <amps@contesting.com>
>> Sent: Saturday, November 07, 2009 7:46 AM
>> Subject: Re: [Amps] PSU design question
>>
>>
>>
>>>> I float B- above ground with roughly 125 ohms of R, in one case
>>>> (separate PSU & RF deck) with 2 separate 250 ohm 25w Rs, one in each
>>>> chassis, as well as a 1N5408 & .01 3kv cap on each side as well a la
>>>> Lunar
>>>> Link.
>>>>
>>> I have never seen this and I do not understand a reason for this
>>> practice with one exception,
>>> that being where a tube element is grounded and that element needs
>>> monitored and protected, such as
>>> a klystron where the "body" (cavities) are grounded but must not have
>>> more than 100 mA of current.
>>> I am not sure if this design isn't providing grid bias inadvertently
>>> in some amplifier designs,
>>> bias that might vary for varying plate current.
>>> I can't recall what a "la Lunar Link" is, I don't know if I ever heard
>>> of it.
>>> --
>>> Ron KA4INM - Remember, the government cannot give anything to anyone
>>> that they have not first taken away from someone else.
>>> (like you and me)
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
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