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: 3/4

堠 l = r/R0 = 39/39 = 1 ; a = y/H0 = 1 (4.19)

m = * = 0,79

 

1 . 1.5 V0 (0)=0

 

V0 = -18

 

p(g0) ,

,

.

p(g0) = (V0 - Vmin)/V0 (4.20)

p(g0) = [ -18 - (-33,67)]/-18 = -0,87

 

Y

 

Y = 2,31 * A[p(g) - p(g0)] (4.21)

堠 = 1/s * (4.22)

A = 1/10,5*10-8 * = 0,983

y = 2,31 * 0,983 * [1,44 - (-0,87)] = 5,3

 

1 . 1.6 T0(Vmin)

 

T0(Vmin) 0 %

 

T(Vmin) - .

T(Vmin) = Vmin2 * T(De) (4.23)

堠 Vmin -

Vmin = -33,67

Vmin = 4,3 * 10-4

T(De) = 4,1*10-4*x*R0* (4.24)

 

 

堠 x = 1

R0 -

f0 -

T(De) = 4,1 * 10-4 * 392 * = 1,63 %

T(Vmin) = (4,3 * 10-4)2 * 1,63 = 3 * 10-7 %

 

J

1 . 1.9 Vmin = -33,67

 

J > 190 /

 

(Vmin)

1 . 1.10

(Vmin) 0,00014 %

 

4.14

 

T(Vmin) = 0 + 3*10-7 + 14*10-5 = 1,4 * 10-4 %

 

4.4.

 

0(Vmin), T(Vmin), T(Vmin)

:

Tå(Vmin) = T0i(Vmin) + (Vmin) + Ti(Vmin) (4.25)

堠 n -

n = 18

Tå(Vmin) = 18 * 0 + 18 * 3 * 10-7 + 18 * 14 * 10-5 = 2,5 * 10-3 %

 

:

 

T(Vmin) = 0,1 % * L/2500 (4.26)

堠 L - L = 560

(Vmin) = 0,1 * 560/2500 = 22,4 * 10-3

Tå(Vmin) < T(Vmin)

2,5 * 10-3 < 22,4 * 10-3

 

.

 

 

5.

-

 

5.1.

 

(80)

:

 

10 lg P(80) = 90 - - L - V2(80) (5.1)

堠 = 153,8 (. 1.1)

L = -70,13 4.11

V2(80) = -3 (1 . 1.5)

10 lgP(80) = 90 - 153,8 + 70,13 + 3 = 9,33

P(80) = 8,57

 

- :

 

= 1 + 2 (5.2)

堠 1 - ,

 

1 = 0,8 (2 . 1.36)

 

2 - , ,

5,8

 

= 0,8 + 5 = 5,8

 

( ) :

 

å = i(80) + i + + k (5.3)

堠 n - ˠ n = 13;

m - m = 4;

-

= 20 0 (. 1.1)

-

= 25 0 (. 1.1)

å = 111,41 + 325 + 150,8 + 80 = 667,2

 

, 5.3 ,

:

 

(80) = 3L + 200 (5.4)

L - , 젠 280 < L < 840

 

(80) = 3*560 + 200 = 1880

 

 

667,2 < 1870

 

5.2 -

 

-:

 

(U/U)2å80% = (U/U)280% + n(U/U) + m(U/U)䠠 (5.5)

堠 n - ˠ n = 18

m - ⠠ m = 5

 

10lg(U/U)280% = -(K + L + V(80)) (5.6)

堠 V(80) = -3 (1 . 1.5)

= 152,8 (.1.1)

L = -70,13 4.11

 

10lg(U/U)280% = -(152,8 - 70,13 - 3) = -79,67

(U/U)280% = 1,1*10-8 (5.7)

(U/U) = 0,07/700 = 10-4 (5.8)

(U/U) = 0,14/700 = 2*10-4 (5.9)

堠 U = 0,07   (.1.1)

U = 0,14   (. 1.1)

U = 700   (. 1.1)