[Amps] High Voltage Switching Supply

Thu Feb 29 13:22:43 EST 2024

There was; it was by a W9 who commuted to the WDC area (I met him once
for lunch) and IIRC was at least two, maybe three parts in QEX, in the
early '90s time frame.

Steve, K0XP

On 2/29/2024 10:00 AM, jtml at losalamos.com wrote:
> 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
>
> On Feb 29, 2024, 9:37 AM, at 9:37 AM,amps-request at contesting.com  wrote:
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>> Today's Topics:
>>
>>    1. High Voltage Switching Supply (Richard Solomon)
>>    2. Re: High Voltage Switching Supply (Joe)
>>    3. Re: High Voltage Switching Supply (Joe)
>>    4. Re: High Voltage Switching Supply (Joe)
>>    5. Re: High Voltage Switching Supply (dj7ww at t-online.de)
>>    6. Re: High Voltage Switching Supply (Joe)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Wed, 28 Feb 2024 21:05:57 -0700
>> From: Richard Solomon<dickw1ksz at gmail.com>
>> To: Amplifiers<Amps at contesting.com>
>> Subject: [Amps] High Voltage Switching Supply
>> Message-ID:
>> 	<CAC5FBO9A26TLD-2+Wni804m1FcSf-Ye6p_AJUZakcby_NJ8fig at mail.gmail.com>
>> Content-Type: text/plain; charset="UTF-8"
>>
>> Has anyone seen or heard of a Switching DC
>> Supply for Tube Amp use ?
>>
>> Seems to me a way to get rid of all that heavy
>> iron.
>>
>> 73, Dick, W1KSZ
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Wed, 28 Feb 2024 22:26:45 -0600
>> From: Joe<nss at mwt.net>
>> To: Richard Solomon<dickw1ksz at gmail.com>, Amplifiers
>> 	<Amps at contesting.com>
>> Subject: Re: [Amps] High Voltage Switching Supply
>> Message-ID:<e973f89a-f881-2767-989e-a8f99f8ccfec at mwt.net>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> I'll try to find it, But I do have a switching HV power supply design
>> here.? It was very nice design you would be able to set the output
>> voltage anywhere from zero to like 8K.
>>
>> it was awesome!
>>
>> If I find it here someplace I'll let ya know
>>
>> Joe WB9SBD
>> .
>>
>> A Contest 40 Years in The Making!
>> <https://w9et.com/home.html>
>> MAIDENHEAD MAYHEM
>> https://w9et.com/home.html  <https://w9et.com/home.html>
>> On 2/28/2024 10:05 PM, Richard Solomon wrote:
>>> Has anyone seen or heard of a Switching DC
>>> Supply for Tube Amp use ?
>>>
>>> Seems to me a way to get rid of all that heavy
>>> iron.
>>>
>>> 73, Dick, W1KSZ
>>> _______________________________________________
>>> Amps mailing list
>>> Amps at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Wed, 28 Feb 2024 22:31:20 -0600
>> From: Joe<nss at mwt.net>
>> To: Richard Solomon<dickw1ksz at gmail.com>, Amplifiers
>> 	<Amps at contesting.com>
>> Subject: Re: [Amps] High Voltage Switching Supply
>> Message-ID:<ba344ecd-ac7a-3890-6772-de24e6d49666 at mwt.net>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> this isn't it but a start
>>
>> https://w5jgv.com/hv-ps1/
>>
>> Joe
>>
>> On 2/28/2024 10:26 PM, Joe wrote:
>>> I'll try to find it, But I do have a switching HV power supply design
>>> here.? It was very nice design you would be able to set the output
>>> voltage anywhere from zero to like 8K.
>>>
>>> it was awesome!
>>>
>>> If I find it here someplace I'll let ya know
>>>
>>> Joe WB9SBD
>>> .
>>>
>>> A Contest 40 Years in The Making!
>>> <https://w9et.com/home.html>
>>> MAIDENHEAD MAYHEM
>>> https://w9et.com/home.html  <https://w9et.com/home.html>
>>> On 2/28/2024 10:05 PM, Richard Solomon wrote:
>>>> Has anyone seen or heard of a Switching DC
>>>> Supply for Tube Amp use ?
>>>>
>>>> Seems to me a way to get rid of all that heavy
>>>> iron.
>>>>
>>>> 73, Dick, W1KSZ
>>>> _______________________________________________
>>>> Amps mailing list
>>>> Amps at contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Wed, 28 Feb 2024 22:39:49 -0600
>> From: Joe<nss at mwt.net>
>> To: Richard Solomon<dickw1ksz at gmail.com>, Amplifiers
>> 	<Amps at contesting.com>
>> Subject: Re: [Amps] High Voltage Switching Supply
>> Message-ID:<4d234f96-75ce-9bdb-15d6-7626f011aa1d at mwt.net>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> Wow! this is cool actually!
>>
>> https://youtu.be/IrOf9_KzGu8?si=PTfNkHHyRW_6Qixy
>>
>> I wish I would have tried this when I blew up the SB-220 HV
>> Transformer.
>>
>> Joe WB9SBD
>>
>> On 2/28/2024 10:31 PM, Joe wrote:
>>> this isn't it but a start
>>>
>>> https://w5jgv.com/hv-ps1/
>>>
>>> Joe
>>>
>>> On 2/28/2024 10:26 PM, Joe wrote:
>>>> I'll try to find it, But I do have a switching HV power supply
>> design
>>>> here.? It was very nice design you would be able to set the output
>>>> voltage anywhere from zero to like 8K.
>>>>
>>>> it was awesome!
>>>>
>>>> If I find it here someplace I'll let ya know
>>>>
>>>> Joe WB9SBD
>>>> .
>>>>
>>>> A Contest 40 Years in The Making!
>>>> <https://w9et.com/home.html>
>>>> MAIDENHEAD MAYHEM
>>>> https://w9et.com/home.html  <https://w9et.com/home.html>
>>>> On 2/28/2024 10:05 PM, Richard Solomon wrote:
>>>>> Has anyone seen or heard of a Switching DC
>>>>> Supply for Tube Amp use ?
>>>>>
>>>>> Seems to me a way to get rid of all that heavy
>>>>> iron.
>>>>>
>>>>> 73, Dick, W1KSZ
>>>>> _______________________________________________
>>>>> 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
>>
>> ------------------------------
>>
>> Message: 5
>> Date: Thu, 29 Feb 2024 10:26:12 +0100 (CET)
>> From:"dj7ww at t-online.de"  <dj7ww at t-online.de>
>> To: Richard Solomon<dickw1ksz at gmail.com>
>> Cc:"amps at contesting.com"  <amps at contesting.com>
>> Subject: Re: [Amps] High Voltage Switching Supply
>> Message-ID:
>> 	<1709198772031.470569.e06f86fe30c928891c3b2b513972d461ea979cad at spica.telekom.de>
>>
>> Content-Type: text/plain; charset="utf-8"
>>
>> DJ7TL uses one as anode supply for his home brew 4CX3000A amplifier.
>> Its a surplus power supply which supplied voltage for a laser before.
>>
>> Scroll down to the bottom of his qrz page:
>>
>> https://www.qrz.com/db/DJ7TL
>>
>> 73
>> Peter, DJ7WW
>>
>>
>> -----Original-Nachricht-----
>> Betreff: [Amps] High Voltage Switching Supply
>> Datum: 2024-02-29T05:06:31+0100
>> Von: "Richard Solomon"<dickw1ksz at gmail.com>
>> An: "Amplifiers"<Amps at contesting.com>
>>
>> Has anyone seen or heard of a Switching DC
>> Supply for Tube Amp use ?
>>
>> Seems to me a way to get rid of all that heavy
>> iron.
>>
>> 73, Dick, W1KSZ
>> _______________________________________________
>> Amps mailing list
>> Amps at contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>> ?
>>
>>
>>
>> ------------------------------
>>
>> Message: 6
>> Date: Thu, 29 Feb 2024 10:27:48 -0600
>> From: Joe<nss at mwt.net>
>> To: Richard Solomon<dickw1ksz at gmail.com>, Amplifiers
>> 	<Amps at contesting.com>
>> Subject: Re: [Amps] High Voltage Switching Supply
>> Message-ID:<92ff468b-2172-e6ca-62ad-ea527a19f883 at mwt.net>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> I found the original article I remembered.
>>
>> QST Jan of 2017
>>
>> Joe WB9SBD
>>
>> On 2/28/2024 10:26 PM, Joe wrote:
>>> I'll try to find it, But I do have a switching HV power supply design
>>> here.? It was very nice design you would be able to set the output
>>> voltage anywhere from zero to like 8K.
>>>
>>> it was awesome!
>>>
>>> If I find it here someplace I'll let ya know
>>>
>>> Joe WB9SBD
>>> .
>>>
>>> A Contest 40 Years in The Making!
>>> <https://w9et.com/home.html>
>>> MAIDENHEAD MAYHEM
>>> https://w9et.com/home.html  <https://w9et.com/home.html>
>>> On 2/28/2024 10:05 PM, Richard Solomon wrote:
>>>> Has anyone seen or heard of a Switching DC
>>>> Supply for Tube Amp use ?
>>>>
>>>> Seems to me a way to get rid of all that heavy
>>>> iron.
>>>>
>>>> 73, Dick, W1KSZ
>>>> _______________________________________________
>>>> Amps mailing list
>>>> Amps at contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
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>>
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>> ------------------------------
>>
>> End of Amps Digest, Vol 254, Issue 9
>> ************************************
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