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| Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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15th May 2013, 5:48 pm
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#221 |
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Hexode
Join Date: Dec 2011
Location: Havana, Cuba
Posts: 274
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Re: Building an oscilloscope at home
This is the circuit that I'm building for the 4kV PSU. In the simulation, it has no more than 4V ripple.
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When electrons move, things happen. There's nothing you can do that can't be done. |
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22nd May 2013, 2:13 pm
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#222 |
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Hexode
Join Date: Dec 2011
Location: Havana, Cuba
Posts: 274
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Re: Building an oscilloscope at home
I finally did it!!!!
The scope is working OK with the 60Hz EHT PSU. I got -1300V for cathode and +3500V for anode, on the CRT. No noise present. See pictures bellow. It istill a bit unfocussed but i guess this due to some lack of negative voltage in the focussing plates. I hope to solve that next weekend. Synchonization is perfect, and the trace is steady in the screen.
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When electrons move, things happen. There's nothing you can do that can't be done. |
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Yesterday, 11:08 am
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#223 |
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Heptode
Join Date: Mar 2005
Location: Nuneaton
Posts: 535
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Re: Building an oscilloscope at home
Well done Miguel!
I'm not sure I would have had the perceverance to do it. Aub
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Ignorance of The Law is No Excuse - but I didnt know that! |
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