Ficha prática n.º37: práticas de eletricidade: introdução à eletrónica

Page 1

>A

IRUPD©¥R

#& % -/Á1& +: >B -/Á1& 0 !" ")"1/& &! !"

¯­ ª º 0DQXHO 7HL[HLUD $7(& ̰ $FDGHPLD GH )RUPD©¥R

0 1/ +0Ë01,/"0 !" '2+ÅÃ, &-,) / 0Ã, 2* !,0 ,*-,+"+1"0 * &0 &*-,/1 +1"0 ! ")"1/Ð+& + )Ð$& : ,!"/"*,0 "+ ,+1/Á9),0 "* 3Á/& 0 -)& Å "0 ,*, ,0 *-)&#& !,/"0 !" 0&+ &08 *-)&#& !,/"0 !&#"/"+ & &0 ,2 !/&3"0 !" -,1È+ & : "01 "!&ÅÃ, 3 *,0 + )&0 / ,0 !&#"/"+1"0 &/ 2&1,0 !" -,) /&7 ÅÃ,N#2+ &,+ *"+1, !"01" ,*-,+"+1":

&RPR VH Y¬ D UHVLVW¬QFLD IRL GHVORFDGD GR FLUFXLWR GD EDVH SDUD R FLU FXLWR GH HPLVVRU (VWD ¼QLFD DOWHUD©¥R RULJLQD XPD JUDQGH GLIHUHQ©D 2 SRQWR 4 GR QRYR FLUFXLWR HVW£ DJRUD ͤ[R 4XDQGR R JDQKR GH FRUUHQWH YDULDU SRU H[HPSOR GH SDUD R SRQWR 4 TXDVH Q¥R VH GHVORFD DR ORQJR GD UHWD GH FDUJD $SOLFD VH D WHQV¥R GH DOLPHQWD©¥R GLUHWDPHQWH QD EDVH 2 HPLVVRU GHL[D GH HVWDU OLJDGR ¢ PDVVD SRVVXLQGR HVWH XPD WHQV¥R LJXDO D

<?: &/ 2&1,0 !" ,) /&7 À¹,

(VWD WHQV¥R REW«P VH QRV WHUPLQDLV GD UHVLVW¬QFLD GH HPLVVRU SHOR TXH SRU DSOLFD©¥R GD /HL GH 2KP VH GHͤQH R YDORU GD FRUUHQWH GH HPLVVRU

<?:<: ,) /&7 ÅÃ, #&5 !" 0"

8( 8%% 8%(

1RV FLUFXLWRV DQDOLVDGRV DW« HQW¥R WHPRV XWLOL]DGR XP WLSR GH SRODUL ]D©¥R GHQRPLQDGD GH SRODUL]D©¥R ͤ[D GH EDVH (VWH WLSR GH SRODUL]D ©¥R GHͤQH XPD FRUUHQWH GH EDVH FRQVWDQWH FRQVHJXLGD XQLFDPHQWH SRU XPD UHVLVW¬QFLD

,& ͞ ,( 6HQGR DVVLP GHͤQLPRV R YDORU GD WHQV¥R HP 5& M£ TXH 85& 5& ,&

8&(

&RQWLQXDQGR RV QRVVRV F£OFXORV SRGHPRV GHWHUPLQDU D WHQV¥R QR FR OHWRU 8& HP UHOD©¥R ¢ PDVVD

),*85$ &,5&8,72 '( 32/$5,=$ 2 32/$5,=$ 2 ),;$

1RV DPSOLͤFDGRUHV V¥R QHFHVV£ULRV FLUFXLWRV FXMRV SRQWRV GH IXQFLR QDPHQWR 4 VHMDP LPXQHV D YDULD©·HV GR JDQKR GH FRUUHQWH $ )LJXUD HVTXHPDWL]D XP FLUFXLWR GHVWH WLSR 5& 8&

8(

8& 8&& 85& 3RU ¼OWLPR FDOFXODPRV D WHQV¥R FROHWRU HPLVVRU

<?:=: ,) /&7 ÅÃ, !" "*&00,/

8&&

5(

),*85$ &,5&8,72 '( 32/$5,=$ 2 32/$5,=$ 2 '( (0,6625 ZZZ RHOHFWULFLVWD SW R HOHFWULFLVWD

5(

5&

8%(

8%%

8(

,VWR VLJQLͤFD TXH D FRUUHQWH GR FROHWRU WHP DSUR[LPDGDPHQWH HVWH YD ORU XPD YH] TXH FRPR ,% « PXLWR SHTXHQD WHUHPRV TXH

8&&

5%

,(

8&( 8& 8(

$VVLP REWHPRV R SRQWR GH IXQFLRQDPHQWR 4 GR WUDQV¯VWRU FRP DV VXDV FRRUGHQDGDV 8&( ,& 2 FLUFXLWR « LPXQH ¢V YDULD©·HV GR JDQKR ƌ XPD YH] TXH QRV F£O FXORV HIHWXDGRV DQWHULRUPHQWH QXQFD IRL QHFHVV£ULR UHFRUUHU DR YDORU GH ƌ &RPR Q¥R IRL XWLOL]DGR QD UHDOL]D©¥R GH WRGRV RV F£OFXORV GHL[D GH VHU UHOHYDQWH R VHX YDORU H[DWR $R GHVORFDU VH D UHVLVW¬QFLD GH EDVH SDUD R FLUFXLWR GR HPLVVRU ID] VH FRP TXH D WHQV¥R HQWUH D EDVH H D PDVVD VHMD LJXDO ¢ WHQV¥R GD IRQWH GH DOLPHQWD©¥R $QWHULRUPHQWH HVWD WHQV¥R HVWDYD TXDVH WRGD QRV WHUPLQDLV GD UHVLVW¬QFLD GH EDVH LPSRQGR XPD FRUUHQWH ͤ[D GH EDVH QHVWH PRPHQWR D WHQV¥R GH DOLPHQWD©¥R PHQRV 9 HVWDU£ WRGD QRV WHUPLQDLV GD UHVLVW¬QFLD GH HPLVVRU HVWDEHOHFHQGR XPD FRU UHQWH ͤ[D GH HPLVVRU


Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.