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DESPRE TEHNOLOGIE SI ELECTRONICA-DIY
Timp de citit: 4 minute Familia BC107, 108, 109 in capsula metalica TO-18, s-a produs pe plan mondial din 1965 de catre Philips, Siemens, AEG-Telefunken, SESCOSEM, Texas Instruments, Motorola, Fairchild, SGS Thomson si IPRS Baneasa. Dupa 1975 se fabrica tranzistoare similare si echivalente in capsula de plastic, la un pret de cost mai mic cu 20-40%.
Timp de citit: 7 minute La IPRS Baneasa, primele tranzistoare NPN (familia BC17x) au fost dezvoltate de catre ing. Nicolae Camen si primele tranzistoare PNP (familia BC25x) de ing. Sorin Georgescu. Articolul contine caracteristicile tehnice ale tuturor tranzistoarelor BC17x si BC25x.
Timp de citit: 4 minute Printre principalele subiecte prezentate, enumeram: Sunt nocive telefoanele mobile?; Incarcator pentru acumulatoare NiCd cu circuitul U2400B; Convertor RS232 – RS485; Interfata numerica; BA6209 (Reversible motor driver); Automat pentru iluminat;