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9th May 2007 12:56 #1Registered User
Join Date: May:2006
Location: Ñîôèÿ
Posts: 22
Èçõîäíî íàïðåæåíèå íà óñèëâàòåë TDA 7294
Çäðàâåéòå,
Ïîíåæå ñúì ðåøèë äà ñãëîáÿâàì åäèí óñèëâàòåë ùå ñå äîïèòàì äî Âàñ, àêî íÿêîé ìîæå äà ìè ïîìîãíå.
Ùå èçïîëçâàì ãîòîâèòå êèòîâå ñ TDA 7294. Âúïðîñà ìè å êàêâî çàõðàíâàùî íàïðåæåíèå å íåîáõîäèìî çà òîçè óñèëâàòåë çà äà èçêàðà íà èçõîäà ñè ñèãíàë ñ àìïëèòóäà îãðàíè÷åíà äî 24 Âîëòà? /72 âàòà ïðè 4 îìà/
Íàäÿâàì ñå ÷å ñòå ìè ðàçáðàëè âúïðîñà è èìà êîé äà ìè ïîìîãíå.
Áëàãîäàðÿ ïðåäâàðèòåëíî!
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9th May 2007 13:27 #2
Äâóïîëÿðíî 27 âîëòà ùå òè áúäå íàïúëíî äîñòàòú÷íî!
Ìåæäó äðóãîòî èìà ñè ãî íàïèñàíî â datasheet-à íà ñõåìàòà:
http://www.ortodoxism.ro/datasheets2...qfjx9qjc3y.pdfLast edited by Ïàâëèí Àíäðååâ; 9th May 2007 at 13:32. Reason: Ïðàâîïèñ
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9th May 2007 16:13 #3Registered User
Join Date: May:2006
Location: Ñîôèÿ
Posts: 22
Àìè äà ãëåäàõ ÷å å íàïèñàíî, àìà íå ñòàâà ìíîãî ÿñíî.
27V - 70W
29V - 100W
Íåùî ìíîãî ñå ðàçìèíàâàò òèÿ ñòîéíîñòè...




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