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Oscilator 5.5MHz si 6.5MHz


Misulache12

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Vreau sa construiesc un oscilator stabil, prefer pe cuart sau cu rezonatoare ceramice, de 5.5MHz si 6.5MHz. Din pacate in comert nu gasesc cuarturi sau rezonatoare la aceste frecvente. Se poate adapta un cuart pe 5MHz folosind condensatoare pentru a face un oscilator la 5.5MHz? Aceeasi intrebare pentru unul la 6.5MHz.

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  • dan-a2

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Sigur se gasesc aceste rezonatoare ceramice. Nu te sfatuiesc cu quart de 5MHz, nu poti sa tragi 500 de KHz, nici chiar cu o inductanta in serie, este complicata treaba. S-au realizat trageri si de 1MHz, in detrimentul altor caracteristici. Scheme se gasesc destule iar alimentarea de preferat stabilizata.

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