Truc pour augmenter la capacité d'un condensate ur variable à air

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Je viens de faire l'essai avec un condensateur variable exactement  
comme celui-ci,
http://www.electronique-3d.fr/Photo_des_schemas/Condo/condensateur_variable3.gif




multiplier par autant la valeur du condensateur.










excellent compte-tenu qu'il reste pas mal de bulles d'air entre les  






Mohm.

Re: Truc pour augmenter la capacité d'un condensateur variable à air
Le Fri, 19 Dec 2014 14:26:41 +0100,

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    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Truc pour augmenter la capac ité d'un condensateur variable à air

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Re: Truc pour augmenter la capacité d'un condensateur variable à air
Le Fri, 19 Dec 2014 17:00:19 +0100,


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    l'ancienne.

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Truc pour augmenter la capac ité d'un condensateur variable à air

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http://tinyurl.com/lagd3mh


http://tinyurl.com/ofhl4d8


http://tinyurl.com/cvmaison

  


Re: Truc pour augmenter la capacité d'un condensateur variable à air
Le Fri, 19 Dec 2014 17:31:25 +0100,


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    Rhahhh lovely !


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    Trop faible.


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    J'admire, mais je n'ai pas vu la valeur obtenue...

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Truc pour augmenter la capacité d'un conden sateur variable à air

...

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http://electropuces.pagesperso-orange.fr/condensateur.htm

Re: Truc pour augmenter la capacité d'un conden sateur variable à air

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C'est du bel ouvrage avec, toutefois, une petite inexactitude quand il  







coaxial...).


--  
Sylvain

Re: Truc pour augmenter la capacité d'un conden sateur variable à air




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:-)

Re: Truc pour augmenter la capac ité d'un condensateur variable à air
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en changeant le nombre de lamelles, et/ou en ajustant

  


Re: Truc pour augmenter la capacité d'un conden sateur variable à air

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http://urlalacon.com/QA1hE9


Du New Old Stock d'Ukraine, radioactif en prime... ;-)



Re: Truc pour augmenter la capacité d'un condensateur variable à air
Le Sat, 20 Dec 2014 21:42:03 +0100,

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    C'est pour du pro, donc il faut un approvisionnement suivi...

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Truc pour augmenter la capacit? d'un condensateur variable ? air


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http://www.aliexpress.com/item/Variable-air-condenser-air-capacitor/32220176564.html

http://www.aliexpress.com/item/CB-4-250-Fudan-University-quadruple-variable-air-capacitor-9-250P/32220055955.html

http://www.aliexpress.com/item/CB-1-Air-variable-capacitor-for-radio-transmitter-High-Voltage-Air-Variable-Capacitors-13-135pF-1KV/1835904598.html




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Re: Truc pour augmenter la capacité d'un condensateur variable à air

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Crdlt

Chab

Re: Truc pour augmenter la capacité d'un conden sateur variable à air


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Oui. Ca se voit sur la plupart de CV pour les radios. Les surfaces en  






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