Modern Electronics (was Re: List charter mods & headcount... ; -))

From: Kevin Handy <kth_at_srv.net>
Date: Mon Jun 21 16:23:16 2004

Dwight K. Elvey wrote:

>>From: "Kevin Handy" <kth_at_srv.net>
>>
>>Geoffrey Thomas wrote:
>>
>>
>>
>>>>This is more of what I'm getting at. Does it matter that some knowledge
>>>>is lost as generations go on? Are we ever going to need to go back to
>>>>tubes to design electronic circuits?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>There was an idea some time back that if we ever get to the moon that we
>>>could be using "open-air" valves (tubes) in the vacuum there for high
>>>powered devices - with the benefit that goes with the better radiation
>>>resistance that goes with valve technology.It would be quite cool to watch a
>>>tv picture on an open CRT methinks.But don't walk between the plates.
>>>Keep those old Mullard/Thorn/EMI books - GE in the states?
>>>
>>>
>>>
>>>
>>I think you would have problems with cross-talk between the
>>open tubes, unless you limited your design to a single tube,
>>or had large spaces between the tubes.
>>
>>The glass does more than just hold the vacuum, it is also an
>>insulator.
>>
>>
>>
>>
>
>
>Hi
> Just some wire mesh that is charged can make a shield.
>You just have to herd these pesky little electrons.
>Dwight
>
>
>
But that would cause a current draw, requiring a larger power requirement.
You'd need to haul more batteries/solor panels/etc up to the moon.
Received on Mon Jun 21 2004 - 16:23:16 BST