Electronics > Projects, Designs, and Technical Stuff

Planning to build benchtop 500V tube PSU, help needed.

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Wolfgang:
Hi,

I will post a floating design in a few days, sorry for the delay.

Dave:

--- Quote from: 001 on December 11, 2018, 07:43:39 am ---
--- Quote from: TERRA Operative on December 11, 2018, 07:38:57 am ---What do you mean it can't be done? Did you see the attachment?

--- End quote ---

Yea
this is common regulator circuit of sixties


--- Quote from: TERRA Operative on December 11, 2018, 07:38:57 am ---What do you mean it can't be done?

--- End quote ---
but it is not lab PSU since no any current control
Many peoples here told me keep HV away

--- End quote ---
Yes, they told you to stay away from HV, because they don't want you to kill yourself. Nobody wants the burden of giving you a design and then finding out that you managed to electrocute yourself with it, because you lack the knowledge and experience to work on such a dangerous circuit.
The fact that you don't demonstrate the knowledge required for pulling off this sort of circuit, doesn't mean that everyone should avoid them.

At first glance, OP seems competent enough for working on this sort of circuit, which is exactly why you don't see people jumping into the thread trying to convince him to keep clear of HV.

TERRA Operative:

--- Quote from: Dave on December 17, 2018, 02:36:34 pm ---At first glance, OP seems competent enough for working on this sort of circuit, which is exactly why you don't see people jumping into the thread trying to convince him to keep clear of HV.

--- End quote ---

Either that, or the electricians callouses offer me enough insulation resistance to keep me relatively safe.  :-/O

TERRA Operative:

--- Quote from: 001 on December 17, 2018, 10:15:28 am ---6aq5 so crappy
try TV tube
it is rugged and cheap


--- End quote ---

Do you have any suggestions? I'm not as well versed in tube substitution as I am with silicon...

001:

--- Quote from: TERRA Operative on December 17, 2018, 04:05:00 pm ---
--- Quote from: 001 on December 17, 2018, 10:15:28 am ---6aq5 so crappy
try TV tube
it is rugged and cheap


--- End quote ---

Do you have any suggestions? I'm not as well versed in tube substitution as I am with silicon...

--- End quote ---

Try this http://tdsl.duncanamps.com/show.php?des=6KG6

U still not  say how much mA do You need

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