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ginelu

Constructie SURSA DE LABORATOR

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@gsabac

refaceti va rog testul cu sarma folosita ca shunt desfasurata. (ca sa aiba inductanta mai mica)

RR

PS - Problema e ca amplificatorul operational e alimentat la +2.5V si -2.5V de catre regulatoarele shunt TL431 (asta e si scopul discutiei aici)

Edited by roadrunner

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Am redus inductanta la maximum prin folosirea unei constructii de rezistenta antiinductiva. Practic am impaturit sirma in doua si am torsadat usor. Rezultatul este neplacut, prin scaderea virfului de tensiune de la 25V la 16V dar durata a ramas neschimbata.

Dupa aceasta noua masuratoare constat ca nu pot face nici niste teste de precizie scazuta, asa cum doream.

De fapt in topic nu mai activeaza niciun user care sa vrea sa construiasca acest stabilizator, asa ca mai ramane sa conversam pe forum.

@gsabac

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Multumesc dl @gsabac - foarte utila demonstratia dvs. Asta vroiam si eu sa semnalez, ca de multe ori, in proiectare, nu luam decizia potrivita.

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