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Plynový, Gas HeNe Laser (NL05)

 

 

Autotransformer , MOT (2.5kV)
MOT (2.5kV) , Capacitors for voltage doubler ( output 5000V ). Blue rezistors for voltage divider ( for the measuring instrument and bleeder resistance ).

Rezistors for current limiter ( 20x 4k7 )

HeNe tube

Start HeNe tube ( >5000V )
working HeNe tube ( >2600V )
Video

http://www.visualprog.cz/Hobby/NeHe.wmv

 

Photo gallery - Vacuum tubes

VOB
photomultiplier tube
GU-81 and ?

 

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