Giáo án điện tử công nghệ: Điều khiển tín hiệu ppt

Nguyen Thi Tam- CVA- TN . M¹ch ®iÒu khiÓn tÝn hiÖu Môc tiªu: *BiÕt ®îc kh¸i niÖm, c«ng dông ph©n lo¹i m¹ch cña m¹ch ®iÒu khiÓntÝnhiÖu * BiÕt ®îc c¸c khèi c¬ b¶n cña m¹ch®iÒu khiÓn tÝnhiÖu Nguyen Thi Tam- CVA- TN I. Kh¸i niÖm vÒ m¹ch ®iÒu khiÓn tÝn hiÖu -   !!"# $" %"&'# "()*%+,-% - &-%.#"/!, 0#"/"1!"2*3- 456 7*"2*0#"/!,… ,-%(148!"% 9!": !"2*-% Nguyen Thi Tam- CVA- TN Nh÷ng m¹ch ®iÖn tö thùc hiÖn chøc n¨ng ®iÒu khiÓn sù thay ®æi tr¹ng th¸i cña c¸c tÝn hiÖu ® îc coi lµ m¹ch ®iÒu khiÓn tÝn hiÖu. II. C«ng dông • ;!"2*-%'45 0$6 <=,>!$=?2@A06… <=,$(1 0%B% %6… <C,%=?-=D=E"%96… <=,>!!",#6… Nguyen Thi Tam- CVA- TN B#. ->F2nhËn lÖnh=,%G E=$!"2*H;77IJxö lÝ-%"K L"$B#.M"N2O9 - O-%"()khuÕch ®¹i"$'$ "( %"2*P2chÊp hµnhI'AQ =,%=D"R/'A % SSS&#. -!"2*-% I$2$$!!7IT(1*$2$! A55UV2,&!7I"W E(1@A#. -6 H×nh 14.2 S¬ ®å khèi mét m¹ch ®iÒu khiÓn tÝn hiÖu &L %  X9 - I$ "! 'A  Nguyen Thi Tam- CVA- TN 3-456;!=,%=E%+,"%,A">"() !.>Y<HZ[N\IJ ]TK#.UV, 2%!^ ]TK#.#.M!"!^ T 1 § 1 220v T 2 K § 2 § 0 C VR BA 15v R 1 R 2 R 3 §H Chu«ng K 1 K 2 Ra t¶i ct Ra t¶i T 1 § 1 220v T 2 K § 2 § 0 C VR BA 15v R 1 R 2 R 3 §H Chu«ng K 1 K 2 ct Nguyen Thi Tam- CVA- TN !=,%=E%+,"%,A"> ư >ẽ: ]TK#.UV, 2%!^ ]TK#.#.M!"!^ T 1 § 1 220v T 2 K § 2 § 0 C VR BA 15v R 1 R 2 R 3 §H Chu«ng K 1 K 2 Ra t¶i ct Ra t¶i T 1 § 1 230v T 2 K § 2 § 0 C VR BA 17v R 1 R 2 R 3 §H Chu«ng K 1 K 2 ct Nguyen Thi Tam- CVA- TN Ra t¶i T 1 § 1 230v T 2 K § 2 § 0 C VR BA 17v R 1 R 2 R 3 §H Chu«ng K 1 K 2 ct