dz . 1.1 , :
Rk = (E - Vk) / I0 (1.28)
Vk, . 1.3, Vk = E / 2,
Rk = E / (2*I0) (1.29)
( Vk ¹ E / 2):
Rk = (E U0 UR) / Ik0 (1.30)
U0, UR . 1.3.
1.8
- I :
I = (510) I0 (1.31)
R2 R1:
R2 = (UR + U0) / I (1.32)
R1 = (E UR U0) / (I + I0) (1.33)
R1, R2 , I, . R1, R2 R = R1 || R2 . , R ³ (23) R.
1.9
, , , [1,3]:
Ku = S0RH~ / (1 + S0R~) (1.34)
RH~ - , R~ - . . 1.1 R~, R~ :
RH~ = RH||R||rke = RHRrke / (RHre + RHR + Rre) (1.35)
re ,
R~ = R||R = RR / (R + R) (1.36)
, (1.36) ( .1.11.2)
rke -
re = (UY + Ue0) / I0 (1.37)
UY , (. 1.2).
1.2 -
, (1.26), (1.34) :
KU = (R||R|| re) / (re + RE||R), (1.38)
R:
R = RE*R~ / (RE R~), (1.39)
R~ = (RE||R) (1.34)
R~ = [R||R||re / KU re], (1.40)
KU 1.1.
1.10
, , R1, R 2 [2,3]:
R = R *F (1.41)
F = (1 + S0R~) , R :
R = r =r + r (1 + h21) (1.42)
- :
R = R||(R1|| R2) = RR1R2 / (RR1 + RR2 + R1R2 (1.43)
1.11 -
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1.11.1
. 1.3.
1.3 -
[4], . 1.3 :
tB = tS + (C + C) [R || R || re] (1.44)
C = krS0 , C .
г fB
= 1 / 1 + (2pf*t)2 (1.45)
, :
t = R
R = R||(R1||R2)||R (1.46)
= e + (1 + KU) Ck (1.47)
k*(1 + KU), ̳.
г , , , (1.45)
= 1 / 1 + (2pf*t )2 (1.48)
, , :
= * (1.49)
(1.45), (1.48), (1.49) :
[] = 20 lg (1.50)
1.11.2
. 1.1 C1, C, C2. 3 , , :
1 = -1,
2 = -0.5
= -1.5
, M=3, M. , , . C1, C2 :
1 ³ 1 / [2pf(R + R) 1 / 12 1] (1.51)
2 ³ 1 / [2pf(R|| r e+ R) 1 / 22 1] (1.52)
.
, 䳺 [1]:
W(p) = - RH~(1+pt1) / (R + r)(1+pt2) (1.53)
t1 = (R + R) R * (1.45)
t2 = (R + R + SRE R) / (1+ SRE) (R + r)* (1.55)
(1.55) , E, 3 :
f = 1 / [2pE(R + re)] (1.56)
, :
³ 1 / [2pfH(R + re) (1/MHCe)2 1] (1.57)
1.12
1.1 1.11:
R = (R1||R2)||R = (R1||R2)||(R*F),
F 1 + S0R~,
KU = U / (1 + U*b) = U / F = -SRH~ / (1 + SR) - RH~ / (RE||R), (1.58)
R = RK || r, (1.59)
Ki b*[RK / (RK + R)] (1.60)
:
K*U = - R/(R + R)*[SRH/(1 +SR~)] = h21RH~/[(R + R)*(1 + SR)] (1.61)
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:
K = k/(1 + F) = (Um / 4j)*[1/(1 + SR~)] =
= (1 / 4j)[ER/(R + R)][1/(1 + SR~)] (1.62)
1.13
ϳ Uke0, Ik0, R, 0 tmin, tmax.
1.13.1 , :
Pk = Ue0*IK0
1.13.2 :
Tj min = tmin + RTPK (1.63)
Tj max = t max + RTPK (1.64)
1.13.3 h21 :
h21 = h21 min*h21max
h21 = (0,78 h21 min + 0,22h21 max)[1 (25 t j min) / 300] (1.65)
h21 = (0,78 h21 max + 0,22h21 min)[1 + (t j max 25) / 300] (1.66)
Δh21 = h21 h21 (1.67)
1.13.4 .
:
Δk0 0*20,1(t j max 25) (1.68)
, Δk0 Δh21:
Δ0 = Δ0 + (Δh21 / h221)*0 (1.69)
, - U:
ΔU0 = 2,2*10-3(t j max t j min) + 0,06[B] (1.70)
1.13.5 [4]:
ΔK = h21[ΔU0 + (R + R) Δ0] / [h11 + R + (1 + h21)RE] (1.71)
ΔK :
ΔK = (0,10,5)*0 (1.72)
2 䒺
. 2.1
2.1 - '
. . , . , .
2.1
1.1
2.2
, (1.5). , R = 0, :
³ 2 U m + U (2.1)
, (2.1), , < 3B U0 £ 2, , , . , 1.2, .
2.3
, VK = / 2.
VK > Ue + U m (2.2)
2.4
U0 0 , U0,I0 .. 1.1, 1.4.2, 1.4.3 . , : U0 ³ 35, 0 = 0.55 . (1.8), (1.9), (1.11), (1.12), (1.13).
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2.5
1.5.
2.6 RK
VK = / 2 IR >> IR 2.1 :
RK /(2 IK0) (2.3)
:
IKm = U m / RH~ = U m / (RK||RH) = U m / RK + U m / RH (2.4)
ϳ IKm (1.11) (1.11), IK0 ³ 1,5 IKm.
2.7 R
R :
R = ( / 2 -U) / I (2.5)
2.8
, Y :
F = 1 Y*12Y21/[(Y11 + Y)(Y22 + YH)] = 1 + [(R/R)*R/(R + R)]*KU (2.6)
Y Y- , Y*12 ;R ; R = r ; KU .
(2.6) , R >> R, F* :
F* = 1 + (R / R)*KU, (2.7)
(b, h11), . , R << R F* :
F* = 1 + (R / R)*KU (2.8)
(2.7), R.
, , R 0, , F* 1.
䒺 R << R, R . R , R R1 (. 2.2)
:
2.8.1 R:
R = R1 + r || R / S (RK || rke || R) (2.9)
R1 , :
R = r||R / S(RK||re||R) (2.10)
. 2.1, 2.2 h21e, R >> R.
R r || R / S(RK || re) = r || R / KU (2.11)
, r :
R = R / KU (2.12)
KU .
2.8.2 :
KU = 1 / [R1 / R + [1 + R1 / (r||R)] / S (RK||re||R)] (2.13)
R1 :
KU = S (RK||rke||R) (2.14)
R >> R, . 2.1, 2.2
KU = S (RK||re), (2.15)
, .
2.8.3
Ki = Ik / I = Ki / [FI (Y = 0)] = Ki / [1 (Y*12 / Y11)*(Y21 / [Y22 + YH + Y])] = h21e / [RK / re + 1 + (1 + h21eRK) / R] h21e / (1 + h21RK / R) (2.16)
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Ki ; FI(Y = 0) Y=0; Y22 = 1 / RK + 1 / re = 1 / R ; YH = 1 / RH .
RH ( R >> R R>>R)
K = I / I = Ki*RK / (RH + RK) = h21e /(1 + h21eRK / R)*RK / (RH + RK) (2.17)
2.8.4
R = R / [F I (Y = 0)] = 1 / Y22[1 Y*12Y21 / {(Y11 + Y)*(Y22 + Y)}] =
= (R / b)*[1 + r / (R1 + R)] || (RK || re || R) (2.18)
2.9 ˳
. 2.3.
2.3 -
:
= *FIY=0 = CKrS[1 + (b / R)(RH || re || R)] (2.19)
:
t1 = ts + (R || RH)( + + ), (2.20)
R (2.18), , =35.
г , :
1 = 1 / 1 + (wt1)2 (2.21)
ϳ , R 䳺 ( ̳).
= [Ce + (1 + KU)K]* F I (Y = 0) =
= [Ce+ (1 + KU)K]*[1 + b / (RK || re || R) / b / R] (2.22)
t2 = (R+R1) || R ,
2 = 1 /√ (1 + (wt2)2 )
. 䒺 , , , . 2.4.
2.4 - 䒺
:
³ 10 / 2pf (R1 || R2) (2.23)
R1 R2 , :
(R1 + R2) = h21 RK (2.24)
, R1=R2. , R1 R2 (2.23) , 1 , , .
1, 2 . , 1:
1 ³ 1 / (1 / 1)2 1 (R + R1 + R) 2pf (2.25)
2 ³ 1 / (1 / 1)2 1 (R + R) 2pf (2.26)
2.10
∆0, ∆0, ∆U0 1.13 (1.56)(1.63).
:
∆ = h21[∆U0 + (R + RK) ∆0] / [h11 + R + (1 + h21)RK] (2.27)
3
() ( ) . 3.1.
3.1 -
() . , - , () .
(. 1.1). , , . VE , . , , VE >> jT, ' ( , ). , , 1 2, :
I > (24) * Iem (3.1)
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|
I , Iem ,
VE / RE > (24) U m / (R||R) (3.2)
(3.1) VE
VE > (24) U m R / (R||R) (3.3)
, VE ' 24 U m.
3.1
, RE :
RE = (1020) RH (3.4)
3.2
Iem Imk = Um / R + U m / RH (3.5)
Io Ieo =(24) Iem, (3.6)
Io > (1020) Io
-
Ukeo = E UR = E Ieo*R (3.7)
Ukeo Uk = 35B
Io = Io / (h21e + 1) (3.8)
Ueo BAX 0.
3.3
1.5, /1.14//1.19/.
3.4
R2 :
UR2 = Ueo + URE (3.9)
Io:
I = (35) Io (3.10)
R2 = UR2 / I (3.11)
³ R1
R1 = UR1 / (I + I) = (E UR2) / (0 + ) (3.12)
R = R1 R2 / (R1 + R2) (3.13)
3.5 R
R , :
3.5.1
R = r'+ re (1 + h21e) = r' + (j / Io) (1 + h21e) (3.14)
3.5.2
R = R E + Re~(1+ h21e) (3.15)
Re~ = Re||R,
, :
R = r'+ re (1 + h21)[1 / S0 + Re~] b(re + Re~) (3.16)
䳿 :
R = R ||R = R || [R1||R2] (3.17)
3.6
Ku = Re~(1+ h21e) / [R e + Re~(1+ h21e)] = S Re~ / (1 + SRe~) (3.18)
3.7 :
Um = Um / Ku (3.19)
3.8 :
R = re + (R + r) / (1 + h21e) (3.20)
R R,
R = R R / (R + R) (3.21)
3.9 .
3.9.1
. 3.2.
3.2 - .
t :
t = R*C,
R = R||R||R = R*R*R / (R R + RR + R R) (3.22)
C = + + = rS0 + C + C (3.23)
f:
= 1 / 1 + (2pft)2 (3.24)
.3.3, , f 1.
3.9.2 . 3.3.
3.3 -
:
= 1 / 2pf(re + Re~) +C* Re~ /(re + Re~) (3.25)
:
R = (R||R + r)*R / (R||R + r + R) (3.26)
R = R r,
R >> r
R = R||R||R (3.27)
f :
= 1 / 1 + (2pfR )2
1
3.10 ,
1, 2. 1, 2. (1.51), (1.52)
C2 ³ 1 / [2pf(R || RE + RH)* (1 / M2)2 1 ]
C1 ³ 1 / [2pf(R + R || R)* (1 / M1)2 1 ]
4
4.1 -
4.1
, , , -.
(1.1):
K = R / (R + R)
:
Ku = (U / E) / K (4.1)
4.2
VT1, VT2 . , VT1, VT2 .
VT2 :
Ue0, - - Ue, , Um, Vk (1.7)
Vk > Ue + URe + U m (4.2)
URe , - .
Vk ,
Ue 12, URe 13B (0,10,2) .
, , Vk = E / 2. (4.2) Vk, (12), = 2Vk, 3.