vergil Posted January 9, 2011 Share Posted January 9, 2011 As dori un datashed pentru osciloscop tip D7-190GJT . Este dintrun oscilosco rmanesc , facut de EMI .Nu stiu tipul . Ceva cu M..... Am numai tubul , si as vrea sa-l folosesc cumva .Va multumesc . Link to comment
Mikrosha Posted January 9, 2011 Share Posted January 9, 2011 http://www.scottbecker.net/tube/sheets/ ... -190GH.pdf Link to comment
vergil Posted January 9, 2011 Author Share Posted January 9, 2011 E ok .Multumesc mult . Link to comment
vergil Posted January 11, 2011 Author Share Posted January 11, 2011 Acest tub vreau sa-l pun in locul unui tub tip B7S201 productie RFT , care este foarte uzat .Daca mai aveti un datasheed si pentru tubul asta , B7S201 , ca sa pot face modificarile necesare .mii de multumiri . Link to comment
Mikrosha Posted January 11, 2011 Share Posted January 11, 2011 http://www.webrx.de/funkamateur/.archiv/pdf/b7s2.pdf Link to comment
vergil Posted January 11, 2011 Author Share Posted January 11, 2011 Multumesc , dar mau bagat in ceata , fiindca nu stiu unde as pute lega tensiunea anodica , la acest tip de tub D7-190 . Ar fi buna o schema de conexiuni atubului . PDF-ul cu B7-S201 este perfect , exat ce am in osciloscop . Link to comment
Mikrosha Posted January 11, 2011 Share Posted January 11, 2011 Pai banuiesc ca ordinea electrozilor este aceeasi: catod, grila de control, anod de focalizare, anod de accelerare, anod de astigmatism, iar pe gîtul tubului, anod de postaccelerare. Adica doar respectati ordinea electrozilor. Probabil va fi nevoie de ajustarea unor rezistente pentru a pastra noul tub in parametrii. Link to comment
vergil Posted January 11, 2011 Author Share Posted January 11, 2011 Da .Dar D7-190 , nu are punct de conectare a Ua (tensiune anodica ) .Dupa cate i-mi dau seama Ua sar cupla pe la G5 , in soclu , caz in care G2 , G4 , G5 sant comune (conf datasheedu-lui) . B7S201 are puct de cuplare a Ua , ca la tuburile cinescop .Se cam schimba treaba , cu toate ca tensiunile de polarizare sant aproape identice . Trebuie o schema de conexiuni a tubului D7190 . Acest tub , era in osciloscoapele facute de EMI, niste aparate destul de micute , dar nu stiu cum se numea . Link to comment
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