-4what s P-N funton diode and it V-I
v-
3- PNfun tin oliode-wfhen a osabe f itrins ie
Semi condueto matoual is dspel with
twdnt impwit at ane onol while sthen enl af
Slab is doped with petaualert impuwits then a
PN funttan is fomedl.
PN funtin undey no trics - when unctian is
fokmed the flsw electGns dtuts aeo the
funtion alue to concentiatian pHadient fs the
densty f electwan is mone an N- gide as compaued
to P-oside . he dectian anol holes veom6ahe
acHOLs the funtian; a a eswt ions
wneoueHe l cn toth Pand Nile in a mal egian
auaund functian on N-side +ue ions ve ncoveued
while on +Poide -ve ions oe uncoveNeol these
coUeMed cins dets a potential bauienanal
ahoLS
Junction and pHwuts law of electianu
ne no cwwet flaw aeos functian
holes. fued
undy ho ias conditian
Jomnobile pokitve ant
ngatwe iond
Jymbal of p-N funetion dade
, teHma
tumiral
Fonwavd 6as PN functian - nder
when aP-N funetisn olode is conneeted in ci
Cuch that it p eiole u Corneted to the
tuminal o tatteny and n eidle i
potitie
Connecte od to negatwe toumhalfowaHolof atte
hen dliodle is craid o te nodes
Bias
w
hegatwe patentiadat the N oole foxcesthe electon
t nosn 'the functisn: Snitially when walue of
appied patuntial in Jea han patestial Banstex
no cuwet flous asoss fun eti'an as potential
applied tetomas quoteu thon potutial taxnieu
deotions dtot th CHOLA theunotian anda
CHrotAeHeAtef- it futhen ineHeases in
potuntial foxcU moHe eleatusn ta exoLs netion and
CuNHent in eueuit nHeasel Hapioly wde
altage acos! diade dbes nat change eignigicatly
heuense tias PN functiun -
Wßen fnctisn oiode is cannecfecl un a wsuit
Wuch that it t Patde is connecteel to neqawe
, is onnected to posiie
Natde
toxmhal o battexy and oliode u daid to be
tumiial of tatlv: he
under taswand Gias
maue
Dositive tuumina at Noi de foee electun to
pcm funcisns imilauly hales aleo moues away
auway
fuom function as candequeneytomajokity chae
CaHieH odo not cotuibute cwwent neiuc°t
but mojaity eleotron fhom Pofide and minosts electon
tHom Nchide moues towand funetian and a ema
CuNH ent flows acoI! tunton due to osmalnumber
ofdoe dage caieH. fusthex ahcHease in applied patntial
not HELLt in ncHeote e eusenti the cunY ent
ü called Qeuese oatiuatian CUMent and denend upon
fun otien tempesatane cHatheH than appied
potentia.
U-I chQHa eteisticd o P-N Junctian wndey Hwede
end fowad tias i wwwet
Hetion
’ voltage
eMent
v-
3- PNfun tin oliode-wfhen a osabe f itrins ie
Semi condueto matoual is dspel with
twdnt impwit at ane onol while sthen enl af
Slab is doped with petaualert impuwits then a
PN funttan is fomedl.
PN funtin undey no trics - when unctian is
fokmed the flsw electGns dtuts aeo the
funtion alue to concentiatian pHadient fs the
densty f electwan is mone an N- gide as compaued
to P-oside . he dectian anol holes veom6ahe
acHOLs the funtian; a a eswt ions
wneoueHe l cn toth Pand Nile in a mal egian
auaund functian on N-side +ue ions ve ncoveued
while on +Poide -ve ions oe uncoveNeol these
coUeMed cins dets a potential bauienanal
ahoLS
Junction and pHwuts law of electianu
ne no cwwet flaw aeos functian
holes. fued
undy ho ias conditian
Jomnobile pokitve ant
ngatwe iond
Jymbal of p-N funetion dade
, teHma
tumiral
Fonwavd 6as PN functian - nder
when aP-N funetisn olode is conneeted in ci
Cuch that it p eiole u Corneted to the
tuminal o tatteny and n eidle i
potitie
Connecte od to negatwe toumhalfowaHolof atte
hen dliodle is craid o te nodes
Bias
w
hegatwe patentiadat the N oole foxcesthe electon
t nosn 'the functisn: Snitially when walue of
appied patuntial in Jea han patestial Banstex
no cuwet flous asoss fun eti'an as potential
applied tetomas quoteu thon potutial taxnieu
deotions dtot th CHOLA theunotian anda
CHrotAeHeAtef- it futhen ineHeases in
potuntial foxcU moHe eleatusn ta exoLs netion and
CuNHent in eueuit nHeasel Hapioly wde
altage acos! diade dbes nat change eignigicatly
heuense tias PN functiun -
Wßen fnctisn oiode is cannecfecl un a wsuit
Wuch that it t Patde is connecteel to neqawe
, is onnected to posiie
Natde
toxmhal o battexy and oliode u daid to be
tumiial of tatlv: he
under taswand Gias
maue
Dositive tuumina at Noi de foee electun to
pcm funcisns imilauly hales aleo moues away
auway
fuom function as candequeneytomajokity chae
CaHieH odo not cotuibute cwwent neiuc°t
but mojaity eleotron fhom Pofide and minosts electon
tHom Nchide moues towand funetian and a ema
CuNH ent flows acoI! tunton due to osmalnumber
ofdoe dage caieH. fusthex ahcHease in applied patntial
not HELLt in ncHeote e eusenti the cunY ent
ü called Qeuese oatiuatian CUMent and denend upon
fun otien tempesatane cHatheH than appied
potentia.
U-I chQHa eteisticd o P-N Junctian wndey Hwede
end fowad tias i wwwet
Hetion
’ voltage
eMent
