cau_kien_dien_tu_c2_1_5501

cau_kien_dien_tu_c2_1_5501 - C U KI N I N T BIN SO N DQB,...

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Unformatted text preview: C U KI N I N T BIN SO N DQB, B/M TVT- HKT CH NG 2: TI P GIP PN & DIODE BN D N 15 CH NG 2: TI P GIP PN - DIODE BN D N Tr c tin, n i dung c a ch ng 2 s gi i thi u v ti p gip pn . Ti p gip pn l ph n t chnh c a cc c u ki n bn d n v n u ch xt m t ti p gip pn th c g i l diode ti p gip, m t c u ki n r t quan tr ng trong i n t . Tuy nhin, c l ng k h n, ti p gip pn hi n nay c th v n l ph n c b n c a h u h t cc d ng c bn d n khc nhau v c cc m ch vi i n t , nn c n ph i hi u v ti p gip pn tr c khi kh o st cc c u ki n bn d n khc cc ch ng ti p theo. C u ki n i n t n gi n nh t c g i l diode. Diode bn d n c k t h p b ng hai v t li u khc lo i c g n k t v i nhau theo ki u sao cho i n tch d dng ch y theo m t chi u nh ng s b ng n c n theo chi u ng c l i. Diode c pht minh b i Henry Dunwoody vo n m 1906 khi ng t m t m u carborundum vo gi a hai vng k p b ng ng vo l i n. Sau m t vi n m, Greeleaf Pickard pht minh b tch sng v tuy n tinh. Cc nghin c u khc nhau c di n ra trong kho ng th i gian t 1906 n 1940 cho th y r ng silicon v germanium l nh ng lo i v t li u r t t t dng ch t o cc diode bn d n. Nhi u v n kh kh n c kh c ph c v c u trc v cng ngh ch t o cc diode. Cho n nh ng n m gi a th p nin 1950, cc nh ch t o gi i quy t c v n kh kh n nh t. Trong th i k bng n v cng ngh nh ng n m cu i th p nin1950 v u th p nin 1960, cng ngh bn d n t c thnh t u l n ng ch , do nhu c u ph i c cc c u ki n i n t tr ng l ng nh , kch th c nh , v tiu th m c ngu n th p dng cho vi c pht tri n tn l a lin l c a v cc tu v tr . Nhi m v quan tr ng c t ra trong vi c ch t o cc c u ki n bn d n c th nh n c tin c y cao trong cc ng d ng m trong khng th th c hi n vi c b o d ng. K t qu l pht tri n c u ki n bn d...
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This note was uploaded on 10/23/2011 for the course EE 101 taught by Professor Hoa during the Spring '11 term at American InterContinental University.

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cau_kien_dien_tu_c2_1_5501 - C U KI N I N T BIN SO N DQB,...

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