[Amps] Fwd: High Voltage Switching Supply

Joe Subich, W4TV lists at subich.com
Thu Feb 29 20:57:39 EST 2024


On 2/29/2024 7:48 PM, Richard Solomon wrote:

> It's a PS--2500A, made by Watts unlimited. They
> seem to no longer be with us.

Dr. Tim Hulick (W9QQ) became SK many years ago -
I want to say 15 years ago or so.  The FCC ULS
shows W9QQ was canceled 2007-12-28.

73,

    ... Joe, W4TV

On 2/29/2024 7:48 PM, Richard Solomon wrote:
> Unfortunately, the link to the Power supply is a
> dead end.
> 
> It's a PS--2500A, made by Watts unlimited. They
> seem to no longer be with us.
> 
> 73, Dick, W1KSZ
> 
> On Thu, Feb 29, 2024, 3:07 PM Paul Decker <kg7hf at comcast.net> wrote:
> 
>> John,
>> Is this what you are thinking of?
>>
>> https://www.arrl.org/files/file/Technology/6Mhanson8877.pdf
>>
>> Paul.
>> KG7HF
>>
>>
>>>
>>> Message: 1
>>> Date: Thu, 29 Feb 2024 11:00:56 -0700
>>> From: "jtml at losalamos.com" <jtml at losalamos.com>
>>> To: amps at contesting.com
>>> Subject: [Amps] High Voltage Switching Supply
>>> Message-ID: <081961a2-8f35-4c0d-8651-18f0560c6cca at losalamos.com>
>>> Content-Type: text/plain; charset=UTF-8
>>>
>>> I thought there was.a design on QEX at one time. But maybe it was QST?
>>> There are some consumer microwaves that use AC/DC converters in
>> switchmode.
>>>
>>> We have commercial 10 kW Glassman switchers at work that put out 1500
>> VDC at 6 Amps but they are not cheap. They power screen grid on TH628L RF
>> tube.
>>>
>>> John
>>> K5PRO
>>





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