ﻞﺋﺎﺴﻣ ﻞﺣ نﺎﻳﺎﭘ
ﺲﻟﺎﭘ ﻚﻴﻨﻜﺗ مﺮﺗ 12
/ 10 / 88
1 -
2 -
رد ﻪﻛ ﺪﻴﻨﻛ ضﺮﻓ
t = 0-
ﻪﺑ ﻪﻜﻨﻳا ﺾﺤﻣ ﻪﺑ و هدﻮﺑ ﺶﻫﺎﻛ لﺎﺣ رد نزﺎﺧ ژﺎﺘﻟو 7
/ 2 - ﻲﺟوﺮﺧ ، ﺪﺳﺮﺑ و هﺪﺷ ﺖﺒﺜﻣ عﺎﺒﺷاo.p.
vo
ﻪﺑ 4 / 5 ﺪﻨﻛ ﻲﻣ ﺶﻬﺟ ﺖﻟو .
دﻮﻳد ﻖﻳﺮﻃ زا نزﺎﺧ ﺪﻌﺑ ﻪﺑ ﻪﻈﺤﻟ ﻦﻳا زا
D1
ددﺮﮔ ﻲﻣ ژرﺎﺷ .
ﮔا ﻪﺑ نزﺎﺧ ژﺎﺘﻟو ﺮ 7
/ 2 ﻲﺟوﺮﺧ ، ﺪﺳﺮﺑ و هﺪﺷ ﻲﻔﻨﻣ عﺎﺒﺷاo.p.
vo
ﻪﺑ 4 / 5 - ﺪﻨﻛ ﻲﻣ ﺶﻬﺟ ﺖﻟو .
دﻮﻳد ﻖﻳﺮﻃ زا نزﺎﺧ ﺪﻌﺑ ﻪﺑ ﻪﻈﺤﻟ ﻦﻳا زا
D2
ددﺮﮔ ﻲﻣ ژرﺎﺷد .
ﻪﺑ نزﺎﺧ ژﺎﺘﻟو ﺮﮔا 7
/ 2 - ﻲﺟوﺮﺧ ، ﺪﺳﺮﺑ و هﺪﺷ ﺖﺒﺜﻣ عﺎﺒﺷاo.p.
vo
ﻪﺑ 4 / 5 ﺪﻨﻛ ﻲﻣ ﺶﻬﺟ ﺖﻟو .
3 - ضﺮﻓ ﺮﮔا رد ﻢﻴﻨﻛ
t = 0+
ﺖﺷﻮﻧ ناﻮﺗ ﻲﻣ ﺖﺳا ﻊﻄﻗ رﻮﺘﺴﻳﺰﻧاﺮﺗ زﻮﻨﻫ :
1
-t
o 1
-t-T
o 1
v (t) 3.4 - 2.6e : 0 t T v (t) 0.25 +1.35e : T t T
τ τ
= ≤ ≤
= ≤ ≤
-
o 1 1
-
o 2
v (T ) 1.6 T ln(2.6) 0.368 1.8
v (T ) 0.8 T ln(1.35) 0.898 0.55
τ τ
τ τ
= → = =
= → = =
o2 z2 D1 2
o + o
o1 z1 D2 1 2
V -V - V -5.4 R 2.7
V V V
V V + V 5.4 R + R -2.7
= =
⎧ ⎧
=⎨⎩ = = → = =⎨⎩
-
B o C
t 0 : D : on , Q : off , v< =-0.5 , V =9 , v (0 ) 9 - (-0.5) 9.5= =
- t
o 1 4 c o1 D1 c
t 0 : V= + =5.4 τ =R C 100 sec. v ( ) V - V= μ ∞ = =4.7 v (t) 4.7 - 7.4e= τ
1 2
T 1.266 f 1 1000 0.79 msec. T 0.29 msec. , T 0.71 msec
τ T τ
⇒ = = = → = ⇒ = =
-
c 1 1 1
v (T ) 2.7 = → T =τ ln(3.7) 130.83 sec. = μ
t - T1 -
1 o 2 5 c o2 D2 c
t T : V= + =-5.4 τ =R C 10 sec. v ( ) V + V= μ ∞ = =-4.7 v (t) -4.7 7.4e= + τ
-
c 1 2 2
v (T ) -2.7 T= → =τ ln(3.7) 13.083 sec. = μ T 143.92 sec. f= μ → =6948.5 Hz
B C
o oPAM o oPAM
R R
v 5.4 v 0 v -5.4 v
=
= → = = → = تﺎﻋﻼﻃا
ﺖﺷﻮﻧ ناﻮﺗ ﻲﻣ ﻦﻳاﺮﺑﺎﻨﺑ :
نﺎﻣز ﺎﺗ ﺪﻌﺑ ﻪﺑ ﻪﻈﺤﻟ ﻦﻳا زا 250
ﺮﺴﺑ عﺎﺒﺷا رد رﻮﺘﺴﻳﺰﻧاﺮﺗ ﻪﻴﻧﺎﺛوﺮﻜﻴﻣ
نزﺎﺧ ژﺎﺘﻟو و دﺮﺑ ﻲﻣ 6
/ 0 - ﺖﻟو
دﻮﺑ ﺪﻫاﻮﺧ .
t = 250 μsec. رد ﻊﻄﻗ رﻮﺘﺴﻳﺰﻧاﺮﺗ و هﺪﺷ ﻦﺷور دﻮﻳد ،
ﻲﻧﺎﻣز ﺖﺑﺎﺛ ﺎﺑ نزﺎﺧ و ددﺮﮔ ﻲﻣ
μsec.
τ1 = RCC = 15
ﺪﺳر ﻲﻣ دﻮﺧ ﻲﻳﺎﻬﻧ ﺖﻟﺎﺣ ﻪﺑ
.
4 - ﻒﻟا - ﻞﻤﻋ نﺎﻳﺮﺟ ﻊﺒﻨﻣ ﻚﻳ ﻞﺜﻣ و هﺪﺷ سﺎﻳﺎﺑ رﻮﺘﺴﻳﺰﻧاﺮﺗ
ﺪﻨﻛ ﻲﻣ
. ﺖﺷﻮﻧ ناﻮﺗ ﻲﻣ ﻪﻜﻳرﻮﻄﺑ :
ﺘﻨﻛ ژﺎﺘﻟو ﻪﺑ نآ ژﺎﺘﻟو ﻲﺘﻗو و ددﺮﮔ ﻲﻣ ژرﺎﺷ ﻲﻄﺧ رﻮﻄﺑ نزﺎﺧ ﺲﭘ ، ﺪﺳﺮﺑ لﺮ
S = 0 , R = 1
پﻼﻓ ﭗﻴﻠﻓ ﻲﺟوﺮﺧ اﺬﻟ ،
1 دﻮﺷ ﻲﻣ ﻲﻘﻄﻨﻣ .
ﻪﻈﺤﻟ ﻦﻳا رد
رﻮﺘﺴﻳﺰﻧاﺮﺗ
T1
ددﺮﮔ ﻲﻣ ﻪﻴﻠﺨﺗ نزﺎﺧ و هﺪﺷ ﻦﺷور ، )
ﺪﺑﺎﻳ ﻲﻣ ﺶﻫﺎﻛ نآ ژﺎﺘﻟو .(
، ﺪﺳﺮﺑ لﺮﺘﻨﻛ ژﺎﺘﻟو ﻒﺼﻧ ﻪﺑ نزﺎﺧ ژﺎﺘﻟو ﻲﺘﻗو
R = 0 , S = 1
ﻲﺟوﺮﺧ اﺬﻟ ،
پﻼﻓ ﭗﻴﻠﻓ 0
ﺪﺷ ﺪﻫاﻮﺧ ﻲﻘﻄﻨﻣ .
ﺗ ﻪﻈﺤﻟ ﻦﻳا رد رﻮﺘﺴﻳﺰﻧاﺮ
T1
ادﺪﺠﻣ ددﺮﮔ ﻲﻣ ژرﺎﺷ ﻲﻄﺧ ترﻮﺼﺑ نزﺎﺧ و هﺪﺷ شﻮﻣﺎﺧ .
راﺮﻜﺗ قﻮﻓ تﺎﻴﻠﻤﻋ ﻦﻳاﺮﺑﺎﻨﺑ
دﻮﺷ ﻲﻣ .
2
B CC
2 1
1 CC EB
CC EB B 2 1
C E
E E
V R V
R + R
R V - V
V - V - V R + R
I I
R R
=
= =
RB RC
+ B -
9
B +
B C
B C
v (0 ) 9 - R v (0 ) 2.46875 R + R
+ = = .ﺪﻨﻛ ﻲﻣ ﺖﻳاﺪﻫ رﻮﺘﺴﻳﺰﻧاﺮﺗﺲﭘ
B o
v (0 ) 0.6 , v (0 ) 10.1+ = + =
B 1 2 2 2 B 2 2 C C 2
9 0.6 28
I I + I + I + I , I 84 + I , (78 + I )R 117 R I
3.3 11 β β β β
= = − = = = +
- t o
C
o 1 CEsat 1
1
v (t) -117 +127.1e ( 1)R C 510 sec.
127.1
v (t ) V 0 t ln( )
117 t 42.23 sec.
τ
τ β μ
τ μ
=
= + =
= = → =
=
tr=5τ=75 sec.μ
C - CO C
c CO c CO CC
C CO
I 0.5CV 2I
v (t) t + 0.5V , v (T ) V xV T f
C I CV
= = = → = ⇒ =
ﺮﺜﻛاﺪﺣ ددﺮﮔ عﺎﺒﺷا رﻮﺘﺴﻳﺰﻧاﺮﺗ ﻪﻛ ﺪﺳﺮﺑ يﺪﺣ ﻪﺑ نآ ژﺎﺘﻟو ، نزﺎﺧ ژرﺎﺷ مﺎﮕﻨﻫ ﻪﻛ ﺪﻳآ ﻲﻣ ﺖﺳﺪﺑ ﻲﺘﻗوx
. لﺮﺘﻨﻛ ژﺎﺘﻟو زا ژﺎﺘﻟو ﻦﻳا ، ﺮﮔا ترﻮﺻ ﻦﻳا رد
ﺪﻫد ﻲﻤﻧ خر ﺮﻤﻳﺎﺗ رد ﺖﻟﺎﺣ ﺮﻴﻴﻐﺗ هﺎﮕﭽﻴﻫ ، ﺪﺷﺎﺑ ﺮﺘﻤﻛ .
ب -
ﺖﻟﺎﺣ 1
P1 : دراد ار دﻮﺧ راﺪﻘﻣ ﻦﻳﺮﺘﻤﻛ
.
ﺖﻟﺎﺣ 2
P1 : دراد ار دﻮﺧ ﻦﻜﻤﻣ راﺪﻘﻣ ﻦﻳﺮﺘﺸﻴﺑ .
ﺖﻟﺎﺣ 3 : ﺮﺘﻣﻮﻴﺴﻧﺎﺘﭘ P
دراد راﺮﻗ ﻂﺳو رد .
2
c-max EB B ECsat EB CC ECsat CC
2 1
v V + V - V V R V - V xV
R + R
= = + ≥
B C
V =4.5 , I =1 mA
1 4 CO
1 20
P R , x , V 3 , T 0.15 msec. , f KHz
3 3
= = = = =
CO
x 5.1 , V 5.1 , T 0.255 msec. , f 3.92 KHz
= 9 = = =
CO
x 1 , V 4.5 , T 0.225 msec. , f 4.44 KHz
=2 = = =
