Guest Dana12 Posted December 19, 2009 Share Posted December 19, 2009 Salutare! Am si eu nevoie de 2 diode varicap BBY40 sau BBY31 sau macar ceva echivalent, imi trebuie pentru un oscilator dintr-un emitator fm si nu gasesc nicaieri. Am incercat si la Adelaida dar se pare ca n-au. Din ce am gasit pe net ar mai fi bune si BB809 dar poate stie cineva si altele. Am doua BB125 dar nu gasesc datasheet-ul si habar n-am daca sunt bune. Ma poate ajuta cineva?Multumesc anticipat! Link to comment Share on other sites More sharing options...
vio2007 Posted December 19, 2009 Share Posted December 19, 2009 BB125 date de catalog: C.tot(3V)=11-13pF, C.tot(25V)=2-3pF BB809 are C.tot(1V)=39-45pF, C.tot(28V)=4-5pF vezi si aici http://pe2bz.philpem.me.uk/Parts-Active/Diodes/VariableCapacitance-Varactor/Cateng_varicap.htm ----------------- http://malzev.tripod.com/comp/diode.htm Link to comment Share on other sites More sharing options...
yo4hhp Posted December 19, 2009 Share Posted December 19, 2009 BBY40 are si la TME si Adelectrocom http://adelectrocom.ro/advanced_search_result.php?keywords=BBY40&osCsid=d6a05d257dbcc7faa0c72049d67fdc00&x=0&y=0 Link to comment Share on other sites More sharing options...
Guest Dana12 Posted December 19, 2009 Share Posted December 19, 2009 Multam! Hmmm, deci ce am eu, adica BB125 nu sunt bune, e diferenta prea mare, ca in datasheet-ul de la BBY40 C(3V) = 26-32pF si C(25V) = 4,3 - 6pF. O sa incerc sa comand si la Adelectrocom, sa speram ca le au pe stoc. Multumesc! Link to comment Share on other sites More sharing options...
cirip Posted December 19, 2009 Share Posted December 19, 2009 Dupa datele de catalog eu cred ca poti inlocui BBY40 cu 2 sau 3 BB125 in paralel.E putin delicat cu capsulele, dar cu putina maiestrie la lipit cred ca te descurci. Link to comment Share on other sites More sharing options...
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