Basic Electronics.ppt- Lesson 1

7/26/2019 Basic Electronics.ppt- Lesson 1

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Basic Electronics

Lesson 1: INTRODUCTION

Prepared by Engr. Myrna Anot-Cabrera


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Great People who Contributedin the Development o

Electronics!"A#E$ -. Wrote about theattraction of straw and dust tofossilied tree sa! called a"ber# a"ber is the $ree% word for

electron&'() -*)+,C

C"A%#E$ C&'#&MB-. Discoered

the force between electricallchar$ed ob/ects. The unit of electricchar$e is coulo"b.

1+0'-12'


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3istor of 4lectronics

A##E$A(D%& )!A 5 Discoeredthat electricit is !roduced whentwo di6erent "etals are in contactwith "oistened cloth. The 7olt is the

unit of !otential di6erence1+)*-1(+

"A($ &E%$!ED - Deter"ined that"a$netic 8eld is !resent when

current 9ows in a wire.Oersted is one unit of "a$netis".

1+++ -1*1


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A(D%E* AMPE%E - Discoeredthe correct theor ofelectro"a$netic force.

;


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.. !"&MP$&( 5 Discoered the

electron. The stud of the 9ow ofelectrons and its uses is calledelectronics.

3e won the nobel !rie for 2'

1*' -1>)2

GE&%GE &"M 5 Deter"ined therelationshi! between current andolta$e in an electric circuit .

O3; is the unit of resistance.1+>-1*)


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!"&MA$ A#)A ED+$&( 5 Inentedthe incandescent la"! ?!hono$ra!h and earl 8l" !ro/ector

0 inentions.1)+ -1>01

$AM'E# M&%$E / Inented thetele$ra!h and the code that bearshis na"e.

@ent the 8rst tele$ra!h "essa$e in

1))

1+>1 -1+(


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G'G#+E#M& MA%C&(+ /Deelo!ed the 8rst !racticalinentions in radio tele$ra!h oerlon$ distances.

Receied the 8rst trans-atlanticradio si$nal in 1>21.Receied the nobel !rie for 2

AMB%&+$E ,#EM+(G A(D#EE DE ,&%E$!- Inentedthe acuu" tubeIn 1>2( . Lee de =orestdeelo!ed the acuu" tube

a"!li8er in 1>2'.


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Nic% 3olona%? Ar. - inented the 8rstisible-s!ectru" L4D in 1>'( whilewor%in$ as a consultin$ scientist ata Beneral 4lectric Co"!an

laborator in @racuse? New or%.


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&"( BA%DEE(0

*+##+AM $"&C1#EA(D *A#!E% B%A!!A+(- Inented the transistorin 1>)

Receied the nobel !rie

Aohn,ardeen

Willia"@hoc%le

Walter,rattain


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Robert NortonNoce

Aac% Eilb

%&BE%! (&%!&( (&CE A(D AC1

1+#B - Inented the inte$rated circuit # IC&in 1>*.Noce was one of the founders of INT4L ? thelar$est chi! "a%er.

Eilb inented the calculator and won thenobel rie for


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,asic 4lectronicCo"!onents

SWITCHES


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&'!P'! DE)+CE$

LIGHT OUTPUT

SOUND OUTPUT


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=IG4D R4@I@TOR@

CARBON COMPOSITION RESISTOR WIREWOUND RESISTOR

METAL FILM RESISTOR SURFACE MOUNT DEVICE( SMD) CHIP TYPE RESISTORS


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7RI,L4 R4@I@TOR@

WIREWOUND POTENTIOMETER

TRIMMER


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C


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+(D'C!&%$


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!"+(G$ (EEDED

BREADBOARD

ANALOG TYPE DIGITAL TYPE

MULTITESTER


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SOLDERING IRON PLIERS

DESOLDERING TOOL TOOL BOX


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WIRE STRIPPER SOLDERING LEAD

PRINTED CIRCUIT BOARD FERRIC CHLORIDE


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!"+(G$ !& %EMEMBE%


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E,,EC! &, C'%%E(! &(!"E "'MA( B&D


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Basic Parameters o a Circuit

7olta$e or e"f # 7& 5 the force that !ushesthe electrons to "oe? "easured in olts # 7&

Current # I& 5 the a"ount of char$es 9owin$in the circuit H deice ? "easured in a"!ere #

& Resistance # R& 5 the o!!osition to the 9ow of

current ? "easured in oh"s # &

&hm2 s #aw

7 J IR

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Basic Electronics.ppt- Lesson 1