ﺲﻟﺎﭘ ﻚﻴﻨﻜﺗ مﺮﺗ نﺎﻴﻣ ﻞﺋﺎﺴﻣ ﻞﺣ 2
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1 -
2 - ﻒﻟا - ندﻮﺑ گرﺰﺑ ضﺮﻓ ﺎﺑ ندﻮﺑ ﻦﺷور و ،β
Q1
ندﻮﺑ شﻮﻣﺎﺧ و
Q2
ﺖﺷﻮﻧ ناﻮﺗ ﻲﻣ :
ب - ﺎﺑ ندﻮﺑ ﻦﺷور
Q1
ندﻮﺑ شﻮﻣﺎﺧ و
Q2
رﻮﺘﺴﻳﺰﻧاﺮﺗ ﺲﻴﺑ ﺮﺳود زا ﻦﻧﻮﺗ لدﺎﻌﻣ ،
Q1
ﺖﺳا ﻦﻴﻨﭼ :
ناﻮﺗ ﻲﻣ ﺖﻟﺎﺣ ﻦﻳا رد ﺖﺷﻮﻧ
:
3 - رد ﻪﻛ ﺪﻴﻨﻛ ضﺮﻓ
t = 0-
، Q1
شﻮﻣﺎﺧ و
Q2
دﺮﺑ ﻲﻣ ﺮﺴﺑ ﺖﻳاﺪﻫ رد و ﻦﺷور .
ﺖﺷﻮﻧ ناﻮﺗ ﻲﻣ ترﻮﺻ ﻦﻳا رد :
رد
t = 0+
، Q1
ﻦﺷور ) عﺎﺒﺷا ضﺮﻓ ﺎﺑ (
و
Q2
ﺪﻧﻮﺷ ﻲﻣ شﻮﻣﺎﺧ .
ﻢﻳراد ﺖﻟﺎﺣ ﻦﻳا رد :
-t 9
o 1
-t-9 9
o 2
v (t) 1+ (V -1)e : 0 t 9 v (t) 0 + (V - 0)e : 9 t 15
= ≤ ≤
= ≤ ≤
- -1
o 2 1
-2
- 3
o 1 2
v (9 ) V 1+ (V -1)e v (15 ) V V e
= =
= =
2 -1
-3 -1
2 2 2 5
-3
V 1+ (V e -1)e V 1- e 0.7793 1- e
→ = ⇒ = = 1 -23 -15
-3
V e 1- e 0.4
1- e
⇒ = =
B3 C2
B1 CC EE E1 C1 E1 o2 CC CC B1
B3 B1 C2 B1 C2
R R
V (V - (-V )) -0.25 , V -1 , I I 9 mA , V V - (V - (V )) 9.5
R + R + R R + R
= = = = = =
CC o1 o1 EE o1 EE
C1 o1 CE1 CEsat B2 B4 EE
C1 B2 B4 B2 B4
BE2 BEcut-in
V - V V - (-V ) 29 V - (-V )
- I 9 mA V 0.725 , V 1.725 V , V R (-V ) -4.6375
R R + R 40 R + R
V -3.6375 < V
= = → = = = > = + =
=
E2
E1 E2 CC C1 BE2 o C2 CC C2 C2 CE2 CEsat
-
C E2 E1
V -0.5 , V V - R I - V 5.378 , V V V - R I 8.039 , V 2.661 > V 1
V (0 ) V - V 5.878
= = β = = = = =
+
= =
th B1 th BE1 E E1 EE E1 C1
9( +1) 9
R I - V + V + R I + (-V ) 0 I I
10.99375 + 10.99375 +
β β
β β
= → = ⇒ =
CC o1 o1 EE o1 EE
C1 o1 B2 B4 EE
C1 B2 B4 B2 B4
B2 E2 E1 E E1 EE
V - V V - (-V ) 9 39 380 9 V - (-V )
- I V ( - ) , V R (-V )
R R + R 10.99375 + 40 39 10.99375 + R + R
-1 219.875 + 371 -100.9375 -
V , V V R I + (-V ) ,
80 10.99375 + 10.99375 +
β β
β β
β β
β β
= = → = = +
= = = = BE2 103.1890625 - 3.6375 BEcut-in
V V
10.99375 + 23.6
β β β
= <
>
B3
th CC EE th B3 B1 C2
B3 B1 C2
V R (V - (-V )) -0.25 , R R || (R + R ) 9.99375 K
R + R + R
= = = = Ω
CC C1
E1 CE1 CEsat C1 C1 E1 B1 E1 C1
C1 C1
B1
V - V 10.7
V -0.7 , V V 0 V -0.7 , I 0.107 mA , I 2 mA , I I - I 1.893
R 100
I 0.056 50
I
= = = → = = = = = = =
= .ﺖﺳا ﺢﻴﺤﺻQ1 ندﻮﺑ عﺎﺒﺷا ضﺮﻓ
ﺖﺑﺎﺛ نﺎﻳﺮﺟ ﺎﺑ نزﺎﺧ
I2
ﺮﺘﻴﻣا ژﺎﺘﻟو و هﺪﺷ ژرﺎﺷ
Q2
ﻫﺎﻛ ﺪﺑﺎﻳ ﻲﻣ ﺶ .
ﻪﻛ ﻲﺘﻗو VBE2 ﻪﺑ 5 / 0 ، ﺪﺳﺮﺑ ﺖﻟو
Q2
و ﻦﺷور
Q1
شﻮﻣﺎﺧ دﻮﺷ ﻲﻣ .
رد
t = T1+
، Q2
ﻦﺷور ) ﺖﻳاﺪﻫ ضﺮﻓ ﺎﺑ (
و
Q1
ﺪﻧﻮﺷ ﻲﻣ شﻮﻣﺎﺧ .
ﻼﺒﻗ رد
t = 0-
ﻪﻛ ﺪﺷ ﺖﺑﺎﺛ ، Q2
دﺮﺑ ﻲﻣ ﺮﺴﺑ ﺖﻳاﺪﻫ رد ﺖﻴﻌﺿو ﻦﻳا رد .
ﺖﺑﺎﺛ نﺎﻳﺮﺟ ﺎﺑ نزﺎﺧ
I1
ﺮﺘﻴﻣا ژﺎﺘﻟو و هﺪﺷ ژرﺎﺷ
Q1
ﻫﺎﻛ ﺪﺑﺎﻳ ﻲﻣ ﺶ .
ﻪﻛ ﻲﺘﻗو VBE1
ﻪﺑ 5 / 0 ، ﺪﺳﺮﺑ ﺖﻟو
Q1
و ﻦﺷور
Q2
شﻮﻣﺎﺧ دﻮﺷ ﻲﻣ .
4
E2 C E1 E2 2 1 E2 1 E2
4 4
BE2
V (0 ) V (0 ) V (0 ) 5.878 - 0.7 5.178 , V -1I t + K , V (0 ) 5.178 K , V -10 t + 5.178 C
V (t) -0.7 - (-10 t + 5.178) 10 t - 5.878
+ = + + + = = = + = = =
= =
4 - -
1 1 E2 1 C 1
0.5 10 T - 5.878 = ⇒ T =0.6378 msec. , V (T )=-1.2 , V (T )=-1.2 - (-0.7)=-0.5
+ + + 4
E2 1 E1 1 E1 1 1 2 E1 1 2 E1 1
4
BE1 E1 1
V (T ) 5.378 V (T ) 5.878 , V (t) -1I (t - T ) + K , V (T ) 5.878 K , V (t) -10 (t - T ) + 5.878 C
V (t) -V 10 (t - T ) - 5.878
= → = = = = =
= =
4 - -
1 2 E1 C
0.5 10 (T - T ) - 5.878 T 0.6378 msec. , V (T ) -0.5 , V (T ) 5.878 , T = 1.2756 msec.
f 784 Hz
= ⇒ = = =
=
