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ELFORUM - Forumul electronistilor

caut schema frecventmetru !!!


Guest arpi

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  • ywar2

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Mersi cunosc schema asta dar e cu LCD 16x2 eu deja am LCD 16x1 si nu vreau sa cumpar altul!! Intrebare!!! Daca la un frecventmetru care masoare pina 40-50 MHz pun un prescaller trebuie modificat si ASM ul ??? :confuz1

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ARPI eu zic sa te duci sa cumperi un LCD2X16 si sa faci schema aia. Undeva in posibilitatile ei are si optiunea, ca frecventa masurata sa fie multiplicata de N x si afisata pe ecran. Daca prin folosirea unui prescaler frecventa este divizata, sa zicem cu 64, setind factorul de multiplicare cu 64, pe ecran vei avea exact valoarea frecventei masurate, si nu al celei divizate. Setarea lui 64 se face din push-butoane up/down si nu din asm.

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