Audio Amplifie Design

7/22/2019 Audio Amplifie Design

1/36

.

2002 .


2/36

2


3/36

3

,

.

, , . ,

,

.,

, .

. .

, . , .

1. ,

. : , , ,

, ..

, , .

, -, .

:

in

out

PP

Plg10K =

Pout, in.

, 20:

in

out

U

Ulg20K=

. , RiRin.:

[ ]dBK2K PU =., - ..

Pout.L,

:

.TP

Lout

PP

=

. :

10W-0,75;

10 W 100 W 0,85;

100 W 0,95.

. , . , - 10 dB.

- 20 25 d. ,

. , . .


4/36

4

, . -. , CD .

.. ,

. , .

. .

:1. . Pout .

, .

i

2

inin

R4

EP =

Ri=Rin , . . m/2.in4.

.

30 40 d.

out/ in 1000 10 000 . . , out= (0,51)W 20 d.

2. , :

.P. KKK =

3. n , , 40 d, 30 d.-P., :

..p.U K2K =

:

4030

Kn

.

=

. , , - . .

,

.

-:

LLLm RP2U =

:

.in

LmU

U

Uk =

:

[ ]dBklg20k UUdB =

-, ,

6 30 dB

. .1

(

-) .. .

- (LOUDNESS),

MM

TAPE

TUNER

AUX

CD

.

-

-II .

-

I .LOUDNESS

.

.

()

-

()

(-

)

.1


5/36

5

. - , -. . ,

, . -(, ), /.

.. . , ,

. (10% ).

., 150 mV, . .. . - , . 80

. 0,5-0,775V, --0,15V, 0,3-0,5V ( , ). (CD-, DAT DVD) .

,

.

.

.. (). -,

(.2).

(0,15V), . .2, ( ), .

.

, ,

TAPE-SOURCE.

2.

1. .(. 25 W) , . (. 50 200 W) .

, ,

- . ..

. 3 (T1, T2, T3, T4), , ,

(T5, T6)(7, 8). , 6, -.., .,

. D1D4 , . P-N , 2 ( , , ),

2. , ,

MM

TAPE

TUNER

AUX

CD

.

.2


6/36

6

, .

, :

2.1: 30 W 8 2. ULm:

V9,218.30.2RP2ULLLm === (1)

3. ILm:

A74,29,21

30.2

U

P2I

Lm

L

Lm === (2)

4. UCCUCC=ULm+UR1,2+uBEmax1,2+uBEmax3,4+

uCEmin5,6+UR5,6 (3)UR1,2, uBEmax1,2, uBEmax3,4, uCemin5,6

UR5,6:

R1 R2(, 10% ULm)

1 2 ( 0,71V)

3 4 ( 0,6 - 0,8 V);

56(1 V)

R5 R6 ( 13 V). (9.3)

10 %.

(3) :V4,28217,08,029,21UCC =+++++=

10%. :

24,314,28.1,1U1,1U CCCC ===

UCC=32 V.5. () IC1,212:

L

T2,1C

R

U5I (4)

UT25 mV. IC1,21 - 5 % ILm.

A0156,08

10.25.5

R

U

5I

3

L

T2,1C ==

6. PCmax1,21T2:

W3,1332.10.6,158

321,0UI

R

U1,0P 3

2

CC2,1C

L

2

CC2,1maxc =+=+=

(5)

7. 1 T2 -. :

a. UCEmax1,2UCC+ULm=32V+21,9V=53,9V +10%=59,3V (6)

. 1CmaxICmax1,2 iCmax1,2=Ilm=2,74A (7)

. Ptot:

.3


7/36

7

W3,543,2

25150

R

TTP

thjc

nommaxj

2,1tot =

=

= (8)

Tjmax 150 ( ), Tnom- , tot, 25 .

RthjcRthjc=(0,3 0,7)Rthja (9) R thjc=(0,3 0,7)6,77=0,35.6,77=2,3

Rthja

77,63,13

60150

P

TTR

2,1maxc

amaxj

thja =

=

= (10)

, , , -60 - 70 .

. fT:

( ) ( ) kHz357178112,1

18000105

1M

f105f

22

2,1h

h2,1T =

=

= (11)

h1,2h,, -.UCEmax, ICmax,fTPtot

(6), (7), (8) (11) . h21T1,2 -.

12, -:

1: 2:: 2T7635 2T7636: NPN PNPUCEmax 60V 60 VIcmax 8A 8 AfT 3 MHz 3 MHz

h21E 20 20

Ptot 60 W 60 W

8. 1 2. - Rthca:

Rthca=Rthja - Rthjc=6,77- 2,3=4,47 (12)

Rthja(10) , Rthjc. tot,-Rthjc(9). Rthra.

Rthra= Rthca- Rthcr=4,47 - 0,3=4,17 (13)

1 , m Rthcr,K/W

50 0,4

100 0,6

100 0,8

36 0,5

Rthcr 0,2 0,4/W (-, ). ,Rthcre -

. 1(,

).(13) Rthra

. , , . Rthra25 %.

, , S


8/36

8

2

4

th

4

thra

cm86

4.1,2

43,03,317,4

43,0.650

d.G

C3,3R

C650S =

=

= (14)

GthW/.m (3,8 , 2,1 1,1

);- mm; - , (

0,85 1,0 0,43 0,5 ). (9.14) ,

. Rthra(9.13)/W, S m2.

9. R1R2:

==== 73,074,2

2

I

URR

Lm

2,1R

21 (15)

UR1,2ILm3 4 .0,82 .

10. R3R4:

( ) ==

== 51

137,0.1,0

7,0

i2,01,0

URR

2,1maxB

2,1BE

43 (16)

1T2UBE1,20,5 - 0,7 V, iBmax1,2

, , :

A137,020

74,2

h

ii

2,1T21

2,1maxC

2,1maxB == (17)

iCmax1,2(7) .R3= R4=56.11. 34.

1 2. -

IC3,4 iCmax3,4:

A0133,056

7,0

20

10.6,15

R

U

h

II

3

4,3

2,1BE

2,1T21

2,1C

4,3C =+=+

(18)

A104,056

8,0137,0

R

uii

4,3

2,1maxBE

2,1maxB4,3maxC =+=+ (19)

.4

W066,132.0133,08.20

321,0UI

Rh

U1,0P

2

CC4,3C

L2,1T21

2CC

4,3maxC =+=+= (20)

h3,4h,. , UCemax3,4UCemax1,2. , (6) - (11), , 4.

.UCEmax:UCemax3,4= UCEmax1,2 59,3V.ICmax:

ICmax3,4 iCmax3,4=0,104.Ptot:

W94,43,25

25150

R

TTP

thjc

nommaxj

2,1tot =

=

=

Rthjc=(0,3 0,7)Rthja=0,3.84,4=25,3

4,84066,1

60150

P

TTR

4,3maxc

amaxj

thja =

=

=

.fT:

( ) ( ) kHz357178112,1

18000105

1M

f105f 22

2,1h

h2,1T =

=

=


9/36

9

h1,2 Mh.34, -:

3: 4:

: 2T9139B 2T9140B: NPN PNP

UCEmax 80V 80 V

Icmax 1A 1 AfT 3 MHz 3 MHzh21E 60 60

Ptot 8 W 8 W

12. 5 6. , .

UCEmax5,6 2UCC 2.32V 64VIcmax5,6=(1,5 2)IC5,6=(1,5 2)10.10

-3=2.10.10-3=0,02A (21)Icmax5,6=0,03A , 56 :

IC5,6=(3 5)iBmax3,4=(3 5)1,73.10-3

=5,2 8,67.10-3A (22)IC5,6=8.10

-3A

iBmax3,4 T3 4 , ,

A10.73,160

104,0

h

ii 3

4,3T21

4,3maxC

4,3maxB

=

56 :

6 5: BC 450 BC 449

: NPN PNPUCEmax 100 V 100 VIcmax 0,2 A 0,2 AfT 200 MHz 200 MHz

h21E 150 150

Ptot 0,2 W 0,2 W

13. R5R6:

====

250A10.8

V2

I

URR

36,5C

6,5R

65(23)

UR5,6IC5,6. 4 12.

220 .14. D1-D4-

IDmax, IDmax1-4 Icmax5,6IDmax1-4 0,03A D1- D4 , -: 1N4002 100V/1A

15. D5., UZ5:Uz5=UBE5,6+UR5,6=0,7+2=2,7V (24) UBE5,6 0,6 - 0,7V.

D5: KZ140 (Si)-

Uz=2,8VID=90mA

16.R7:

=

=

50006,0

232

I

UUR

5D

5zCC7 (25)

ID5D5.

470 .


10/36

10

17. T7T8. (. -fh). UCemax7,8

UCemax7,8 2UCCUCemax7,8 2.32 64V78:

- BC117 - , NPNUCE=120 VIC=200 mA

fT=40 MHzPtot=300 mW

h21=3018. R11:

==+

=+

= k7,210.7,2001,0

27,0

I

UUR 3

8,7C

6,5R6,5BE

11 (26)

IC7,8T7T8, UBE5,6UR5,6

(15) (4) .

19. R12:

==== k65,1515650001,0.2

7,032I2

UUR8,7C

8,7BECC12 (27)

UBE7,80,6 - 0,7 V, IC7,8. 18 .

15k.20. R9R10.,

T7 T8 . .

R9=R10=10k21. R8:R8=R9(AF-1)=10.(94-1)=940k (28)1

F .

25,9420

1885

F

AA

F === (29)

, a F-, , - (. . 34). . 9.1

( ) 1885220

8.60.20.10.7,2.3210.5,0

R

Rhh.R.S

2

1A 33

5

L4,3T212,1T21116,5 ==

(30)

S7,87T8.22. PCC

( ) ( ) W85,553274,2637,0Ui2P CC2;1maxCCC ==

(31)

23. :

%7,53537,085,55

30

P

P

CC

L ==== (32)

24. kh'. (T1-T4) (T5-T6) :

6,5h4,3h2,1hh KKKK ++ (33)

(9.37) kh'

:

205,0

10

k

kF

h

h ==

= (34)

kh, . , kh'10 %.

25. Uim


11/36

11

mV230V23,095

9,21

A

UU

F

Lmim ==== (35)

AF(9.33) .24.1

F1F53,0

10000.302

1

Rf2

1C

90

1 =

=

= (36)

25.2:

F10.1112,110.10.302

1

1MRf2

1C 6

2321H8H

2

=

=

(37)

1 F.

kh. , kh1,2kh3,4, T12

34 . (. 4),

, RLT1T2 h21T1,234.

(7) (19) .maxCi . .

.maxB

i . C

i

2/i.maxB

.

b (b = 0,05 0,4) :

( )( )

( )

( )C

C

C

.maxC.min

.maxC.max

bI2I

ib1i

ib1i

ib1i

ib1i

=

=

+=

=

+=

(38)

IC, (4)

(18). :

( )

( )

( )[ ]

( )[ ]I6ii4ii121

I

ii2ii6

1I

I2ii4

1I

iiii3

1I

.min.maxm4

.min.maxm3

.min.maxm2

.min.maxm1

+++=

=

+=

+=

(39)

kh1,2kh3,4:

( )m1

2

m4

2

m3

2

m2

4,32,1hI

IIIk

++= (40)

kh5,6 e

, -

.

iCuG:

BEGBGuRiu += (41)

T5 (. 5 ) CCCE6,5CC

UuIi = ,

U ucc CE

A

C

B

,

C

C

C

C

i

i

i`

I

max

.

i

i

i /2

B

B

B

max

max

.4

, i

i

I i

i

c

c

C

B

c

max

5,6

min,i i i U uB B B ccmax min ce

IuUu

u a

B5,6

BE

BE5,6

BE

BE

min

max

,i

ii`

I`

ii

u u u

c

c

c

c

c

c

max

min

G min Gmax G

.5


12/36

12

h21T1h21T3,4RL. , , iC(iB).

iC5 IC5,6 c iBmax3,4

iC(iB) iB5, iB(uBE)- uBE5.

iC(iB),

h21E , . , h21E= iC/iB.

iC (41)

( )11GG

RRu

(. 5 ). R5,. 1, (41)

55C

Ri . ,

uGmin.uGmax

minCCC.maxC

i,i,i,i . , -

(39) (40), kh5,6. (37) kh

-.

. 3

. . . 6, 7 8 .

. 6 . -, . , . (3), (23), (37) ., , 3 4. , (34), F , (42), F(33), (43) ui.

R10 . R8 R10, R9

1A

RR

F

8

9

= (44)

1 2

1MRf2

1C

2

1b10b

1

(45)

1MRf2

1C

2

1b9b

2

(46)

b1 b2

Mb.

Mh, fh (. . 2.1), u0max,, i0max,

SR:

Lm.max0Uu > (47)

6,5maxCmax,0ii > (48)

LmhUf2SR > (49)

(47) (48) , ,

() .

.6

.7


13/36

13

UCC UCC ,

, UCC


14/36

14

4 5. (0,05 - 0,1)RL.

2.2: . 9 : Pout=60W; RL=4; fb=60 Hz; fh=15 kHz 3 dta=40 .

.

1. 4 T5 , ,-UCEmax.ICmax.:

W154

60

4

PP .out

.maxC ==>

( ) ( ) V4824.60.22URP22EU.minCELout.maxCE

=+=+=>

UCEmin.(14)V.

A5,54

60.2

R

P2II

L

out

Cm.maxC ===>

D130. PCmax.= 100 W; UCEmax.= 100 V; ICmax.= 15 ;

fT=1,1 z; h21e= 20 70.2.

. ( ) ( ) ( )A550,0275,05,5.1,005,0I1,005,0I

Cm0C ==

IC0= 0,25 .

3. RE RE 5 10 - 4T5.. D130.

== 710

70

S

hh

0

maxe21

e11

S0= 40IC0= 40.0,25 = 10 /V.

RE=RE=(510)h11e=(510).7=3570 .

RE=RE=47 . T2 T3, 4T5h21emin=20. T2T3:

A275,020

5,5

h

II

.mine21

.Cmm

Cm ===

. 1 =48 V :

W660,0275,0.48.05,0EI05,0PCmmaxC

==

141 161. NPN, N.

: ICmax=1 A; PCmax=0,75 W; h21e=40250; fT=50 MHz. h21e.

30 60. -30 1-60 .

5. , . 2 :

( ) ( ) ( )mA5,2775,13275,0.1,005,0I1,005,0I Cm0C ==IC0=15 m.6. 1. 174.

: UCemax=64 V; ICmax=0,1 A; PCmax=0,3 W; h21e=125500; fT=250 MHz.

. .T2T3, . 4, ICm= 0,275 . -

:

mA740

275,0

h

II

min21

Cm

Bm ==

RC+R :

minCBm

0B

CII

U2E5,0RR

+

=+


15/36

15

UB0-(T2T4

35), 0,7 V. ICmin=(0,51)mA.

=+

=+

2825

1010.7

7,0.248.5,0RR

33C

RCR:

( ) ( )CLC

R1,005,0R;R5020R >

,

T1.

RC = 2,7 k R = 150. R-:

F356150.60

2,3

Rf

2,3

R

20C

bb

==

500F.7. 6148.

. - -

, R3, .

(13)k. R3

200-300

.

8. RE(0,10,2)R. . 6 R2,7 k. RE

390 . R1 R2 /2.

-.1

RC+R mA81010.7II33

minCBm =+=+ . T1 IC0=10 mA.

IB0h21eminT1:

A10.80125

10.10

h

II 6

3

mine21

0C

0B

===

510 - (I=0,8 mA). 1R2:

==+=

k75,510.8,0

10.10.390I

UIRR3

3

0B0CE

2

5,6 k.

R1+R1IIB01./2 , ..

( ) ( ) ( )( )

+=

+

+=+

k2210.08,08,0

7,010.10.39024

II

UIR2/ERR

3

3

0B

0B0CE

11

R1(250)RL, .

R1= 22 kR1= 150.

F2,110.22.60

6,1

Rf

6,1C

3

1b

1 =

2,2 F.9. Cp1,Cp2CE.

Cp1 1 R2 .

, 12 k.

F33,510.60

32,0

hf

32,0C

3

e11b

1p =

10 F.Cp2RL.

F13334.60

32,0

Rf

32,0C

Lb

2p =

-2000 F.CE


16/36

16

F89010.7,2.60

48.3

Rf

E3C

3

Cb

E =

CE=1000 F.

10. R

, 1

, .

.

,105

KRR in

;Rin, h11eT1.UoutUin,

400056,0

22

U

UK

mV56125

10.10.7

h

hIU

V224.60.2RP2U

in

out

33

mine21

e11Bm

in

Loutout

==

==

==

F=510. R

( ) =

k8040105

10.400R

3

R=56 k. .

R ,

-.11.

thjc

maxC

aj

p

RP

tt

1400S

=

tj, 75 ;Rthjc-/W; 1,5 /W.

,

2

pcm1700

5,115

4075

1400S

=

. S-, .

, , . ,

-.

. , -

, , , . (. 10).

1. . 1

.

.10


17/36

17

. . R1,R2 Rt, . , .

2.3:(. 10) : Pout=10

W; RL=2; fb=80 Hz; fh=5 kHz; E=20V; ta=40C

1. Cmax, UCEmaxICmax. 2.. 1.2 =0,8.

W1,38,0.4

10

4

PP

.

out

maxC =

V57504,035,0

20

4,035,0

EU

maxCE

=

( ) ( )A4,1

3208,0

10.2

UE

P2II

minCE.

out

CmmaxC

=

=>

UCEmin 3 V, .

D307. :

Cmax= 10 W; UCEmax= 64V; ICmax=2,5A; h21e=50300; fT=100MHz.2. (!)

( ) ( )

=

= 12

5,12.2

320

P

UER

2

out

2

minCE

~L

out, :

W5,128,0

10PP

.

out

out ==

=

3. ,

( ) ( ) mA140704,1.1,005,0I1,005,0ICm0C

===

IC0=100 mA.

h21e mine

mA250

10.100

h

II

3

mine21

0C

0B ===

(510) -IB0, .. I= 10 m.

UB0=0,10,2V.R2Rt

===+

=

1510.10

15,0

I

U

RR

RRR

3

0B

t2

t2

Rt. T3 %. R2Rt

( ) ( )

( ) ( )

( ) ( )=

=

=

==

=

=

=

214,07,0

4,017,0.15

mm

m1mRR

4,02040100

3120t

1001m

7,015,0

204010.2,21

U

20t10.2,21m

tH

tH

2

a

T

t

3

0B

a

3

H

R2= 22 .

=

=

=

=

=

=

1985

10.10

15,020

I

UER

471522

15.22

RR

RRR

3

0B

1

2

2

t

R1=1,8 k. .

4.


18/36

18

A23,012

5,12.05,0

R

P05,0I

~L

out

.cp =

=

5. , R.

h21e mine:

A028,o50

4,1h

IImine21

Cm

Bm ===

R.

mW62

15.028,0

2

RIP

22

Bm

in ==

1

mW875,0

10.6PP

3

.

in

in

=

=

, -.

in= 20 W.6. 2:

456,012.8,0

2

R

R

2

W

Wn

~L.

L

1

2 =

=

:

( ) ( ) ==

=

=

=

4,18,0112.58,01R58,0r

21,08,0

8,012.42,0

1R42,0r

.~L1

.

.

L2

RL~r1. 1 dB,

( ) ( )mH4280

4,11232,0

f

rR32,0

Lb

1~L

1

=

p1 () .

7. 1.7, :

2

pcm143

5,11,3

4075

1400S

=

, , .

, -.-, -.

, , . - .

,

, .

, , . -, .

, .

: .

. 1W -

. , .

, .


19/36

19

, ..

. ,

( , , ..).

, -,

. , ,

, . , N

, NN.

, .

.

, (),

.

, , - .

. .

.

:- -;

-

;

- -;

- , ,

-;

- ,

;

- ,

;

- , .

;

- ,

,

.

;

- ,

;

-

();

-

;

- ;

- (

);

-

;

- .

. . .

. 11 , .

RE T1 T2 . T3 T4 .

RE ,

.11

.12


20/36

20

. - -.

. 12 . D1D4R

. D5D6. , .

3.

3.1.

. , . - / (S/N) .

. -. -, . .

, , , , .

-, .3.1.1.: UF> 30 dB; fb

= 40 z; fh== 20 kHz; U= 12 V; RL= 2 k.

1 z AUF 100 d, .. 10 000 , , 20 z AUF


21/36


22/36

22

2. R1 . , ,

R1Rin.741 Rin= 12 . R1=1M3. 12.

fb R1 R2. R1 R2

, ,

F10.810.40

32,0

Rf

32,0C 9

6

1b

1

==

- 1 =

0,1F.

F410.2.40

32,0

Rf

32,0C

3

Lb

2 ==

2= 4,7F.

, , . .

, , , , , 1

, . - .

, . . -

.,

, .

. 3.1.4. , . 16

: UF= 50; fb= 60 z; fh= 8000 z; RL= 2 k; =18 V

1. 741. fT=1z UF =50

kHz2050

10

A

ff

6

UF

T

h === , ..

hhff > .

2. R1 R2 .

R2 = 330 k. - -.

=== k6,650

10.330

A

RR

3

UF

2

1

R1= 6,8 k.. UF

,

[ ] 20/dBA

UF

UF10A =

3. 1 R1 .

F8,010.8,6.60

32,0

Rf

32,0C

3

Lb

1 ==

1= 1F.

.15

.16


23/36

23

4. R3R4.

30 100 k. R3=R4= 47 k.5. 2.

F13,110.47.60

2,3

Rf

2,3C

3

4b

2 ==

2=2,2 F.

6. 3 RLfb, ..

F33,110.2.60

16,0

Rf

16,0C

3

Lb

3 ==

3= 2,2 F.3.1.5.

(), . 17 fb= 40 z; RL=

1 k; =24 V R1 R2.

2 R3 . R3.

2R2R34. , R3 , ..

.-

.

1. R1=R230 100 k. R1=R2=39

k. - - (

24 V 70k).2. , ..

2, R3=100 k4F05,2

10.39.40

2,3

Rf

2,3C

3

2b

2 ==

4= 2,2F., 4R2.

,42

R2, .. 2= 2,2F.3. 3

:

F810.40

32,0

Rf

32,0C

3

Lb

3 ==

3= 10

.3.1.6. .

. -, , , ,

., , .

, . 18

2. :

1R

Rk

1

F

U +=

, RF=R1, 2.

.17

.18


24/36

24

== k100RRF1

R2RFR1.:

=== k502

100

2

RR 1

2

47 k.

R2. :F10.48,0

106,110.47.202

1

1MRf2

1C 6

232

1H.H

2.1.

=

=

=

1 F.

3.2.3.2.1.

.19. 32 V 28 .23168 23308.:

23168 C 23308 C NPN PNP

UCEmax 25V 25VIcmax 100 mW 100 mWh21E 380 420UBEsat 0,8V 0,83V

h11E 15 k 15 k

-:

V1632.5,0U5,0U CCC ===

4 mA. , 16V :

==

k410.4

16R

32T

4,7 k.IC=16:4,7=3,4 mA. 28, 70%

, :

4057,397,0

7,27k.k 2U1U ==

, 5 , -8.

5 , :

=== 9405

4700

k

RR

2U

2T2E

1 k. U2=4,7 kU2 e 8,51

RE2 e .

(420), RE2e:

V4,310.1.10.4,3R.IU 332EC2E ===

2 0,5 V. 2 PNP ,

- . 32-3,4=+28,6 V.28,1 V, 1.

RB - 46 . -

- 47 k. , 2, RE1e:

==

= k2,235,2

20

47

205

RR B1E

:

.19


25/36

25

=== k187,1851,8.2200k.RR 1U1E1T

RT1, 3,9 V, :

mA2,010.18

9,3

R

UI

31T

R

C1T ===

,

, 1. :V44,02,2.2,0U 1Re ==

V94,05,044,05,0UU 1RE1BT =+=+=

RB, :

mA02,047000

94,0

R

UI

B

RBRB ===

RA, 0,02 mA , 31,6 V. :

==

M5,110.02,0

06,31R

3A

:

F01,0106,146000.1002

11MRf2

1C22

HBH

.BX =

=

=

0,1 F

F046,0106,110000.1002

1

1MRf2

1C

22HH

. =

=

=

1F3.2.2. , .20.

:

1. 15V, :

UCC=15V

2.. -, , - fB. 23169,

:UCEmax.=25 V;Cb,c=6 pF; Icmax.=100 mA; h21=540; Ptot.=200 mW; S=23 mS;

f =150 MHz; h11=24 k;rbb=51; F4= 10 dB; h22=30 mS

3. - V5UCE =

IC=1mA.

4. ( ) V315.2,0U2,01,0U CCE ===5.:

==

=

=

k710.710.1

3515

I

UUUR 3

3C

ECECCC

6,8 k.6.:

A85,110.85,1540

10.1

h

II 6

3

E21

CB ====

7.:

( ) A5,1885,1.10I105IB

===

8.:

( ) =

=

+

=

6

6

B

BEECC

110.7,0

10.85,15,18

62,0315

II

UUUR

680 k.UBE .21

.

1

2

.

.

+UCC

C

R

C

R

T

R

R

C

R

.20


26/36

26

=+

=+

=

6

6

BEE

210.196,0

10.5,18

62,03

I

UUR

180 k.9.:

===

k3

10.1

3

I

UR

3C

EE

10.:

= k24hR11i

:

=+

=+

= k3,142180680

180.680

RR

RRR

21

21

B

:

=+

= k5,203,14224

3,142.24R

iA

11.:

==

k33,3310.301

h1R

6

22

0

:

=+

=+

= k65,533,338,6

33,33.8,6

RR

RRR

Co

Co

oA

12.:

4,3610.2,265,5

2,2.65,510.23

RR

RRSA 33

LoA

LoA

U =

+=

+= .

13..

( ) ( )F10.019,1

12,110.2,265,5302

1

1MRRf2

1C 6

232

..LoAb

.

=+

=+

2,2 F.

3.2.3.(.22) :1.. -,

( ) , - fB. 23169,:

UCEmax.=25 V; Icmax.=100 mA; Cb,c=6 pF; h21=540; Ptot.=200 mW; S

=23 mS; f =150 MHz; h11=24 k; rbb=51 ; F4= 10 dB; h22=30 mS

2. -

-15V.

3. .==

=

=

k2424000

10.5,0

315

I

UUR

3

C

CECC

E

UCE=2-3 V IC=0,1-0,5 mA .4.:

( )( )( )( )

( )( )( )( )3333

333

E0T2111

E0T21

10.2410.3310.5,2540110.240

10.2410.3310.5,25401

RRRh1hR

RRRh1K

+++

+=

+++

+=

979,010.2.54110.24

10.2.541K

33

3

=+

=

==

k333333310.30

1

h

1R

6

22

0

5.:( )( ) ( )( )3333

TE02111i10.5,210.2410.33540110.24RRRh1hR ++=++=

1

2

1

1

+UCC

C

R R

R

RR

T

.22

.21


27/36


28/36

28

4.

4.1. (RIAA ).

, RIAA . , , ,

. .23.,

..23

, -

( )Hz50s31801

= , ( )Hz500s182

=

( )Hz2130s753

= . 1 kHz ( )

2 3 mV .. , .

20 dB (10 ) - (0,2-0,3 mV), - , . 20kHz 20-30 mV, /, , -2 kHz

(1 3 mV), . .

- . , . ,

, . - . 24.

RIAA 100mV. 1 Hz :

3310.3

10.100

U

UH

3

3

.

kHz1 ===

1. R1

50 500 . R1=150 . 2.

H0=9,9H1kHz=9,9.33=327

3. R2:

( ) ( )=

=

= k720,3150.

3105

10327243R.

3105

10H243R

1

0

2

R2=3,6 k .4. R3:

R3=(H0-1)R1-R2=(327-1).150-3720=45,18 k

R5=47 .5. R22 s752 = . :

nF8,2010.6,310.75

RC

3

6

2

2

2 ===

K/k

dB

20

0

-20

0

50 500 2130 20000 f Hz

20 dB6 dB/oct

.23

.24


29/36

29

2=22 nF.

6. R3C3 s31801 = . :

nF6710.47

10.3180

RC

3

6

3

1

3 ==

=

3=68 nF.

7. 1:

F06,53150

7959

R

7959C

1

1 ===

1=47F.

. , R447 , .8. 20 Hz C4.

F17,010.47.20.2

1

fR2

1C

3

4

4 =

=

=

C4=220 nF.,

NE5534A, . . 2.5.

4.2. (1kHz) ,

20Hz 20kHz 20dB. ,

, 6dB/oct. : - =1,

- =0,5 , - =0. : - =0, - =0,5 , - =1.

, ,

.

2

1

1

3

2

1

maxTC

C

R

R

R

RH ==

f1f2:

23

T1CR2

1f

21

T2CR2

1f

f1f2 :

11

T1CR2

1f

12

T2CR2

1f

1

2

22

21

C

C

R

R=

:

2

22

31

3

0R

R

RR

RH =

+=

R2>>R1>>R3. R2 ,

: R21=0,9R2R22=0,1R2.

. 25. H :

.25


30/36

30

1

3

1

2

1

2

maxHR

R

C

C

C

C1H ==+

f1Hf2H :

23

H1CR2

1f

13

H2CR2

1f

f1H:

11

H1CR2

1f

:

322

121

2

1

RR

RR

C

C=

:

21

1

0CC

CH

+=

R2>>R1>>R3 R2 ,

: R21=0,9R2R22=0,1R2.

4.2.1. 15 dB. 5 dB 20 dB.

20 dB Hmax=10

1. - .

R2=100 k. , - .

2. R1T=R1H=0,1R2=0,1.100 k=10 k

3. R3T=R3H=0,01R2=0,01.100 k=1 k

4. f2T50 Hz.:

[ ]nFR.f

10.159

2.T2

3

T1c = ,

R2, C1T, f2T .

nF8,31100.50

10.159C

3

T1 ==

- C1T=33nF.

5. C2T=10C1T=10.31,8.10-9

=318 nF - C2T=330

nF.

6. f2H. 10 Hz. :

2H2

3

H2R.f

10.159C = ,

R2 , C2H f2H

.

nF159100.10

10.159C

3

H2 ==

C2H=150nF. 7. C2H=10C1H

nF1510

10.150

10

CC

9

H2

H1 ===

8. RK e:

.26


31/36

31

=== k1010

10.100

10

RR

3

2

K

9. 015 z. :

F1,0

10.100.15.2

1

fR2

1C

3

T2

0 =

=

.26 - ,

.

. , . .27.

12. , . 1, 2 .

, 20 d.4.2.2. ,

. fb= 50 z fh=10 kHz

20 dB.

. 25.. .

1. 1 50 100 k. 1 =

100 k. P12.

2

23,7P1= 3,7.100.103= 370 k

2=510 k.2.

R1,R2R3

===== k1110.100.11,0P.11,0RRR 31321

R1= R2= R3= 10 k. R3

.

3. R4R5:

==== k410.100.04,0P.04,0RR 3154

R4= R5= 3,9 k.

4. 15. 1= 5= 1F.5. 23

nF32

10.100.50

16,0

Pf

16,0CC

3

1b

32 ====

2= 3= 33 nF.

6. C4fhP1.

nF34,410.100.10.10

34,4

Pf

34,4C

33

1h

4 ===

4= 4,7 nF.R7R8. R7= 10P1=

10.100.103= 1 R810 k., R6 6,

. :

nF1C;k3R66

12. (0dB).4.3.

.27


32/36

32

. , ,

. .28 U.

:

Ba

..

.RR

URU+

=

( )b

RR + -

. , R.

- R. , .. .. RR >> ,

, , 4

PRR

ba ==

(-):

4

P

2/P2/P

2/P.2/PRRR

ba.maxP. =

+==

.., .

:

4

PR

.

, 4 - ,

. .

RP ,

R.., ,

, ,

, / . - .

/ .

(.30). .1

U., .2 U.,, :

...U.U.U

.constkU. == ( )

:

..U.kU =

.. .

k=0, U.=0. (, ,

, ) , . . , ,

.

R .

U.

Ra

Rb

U.

R.

.28

U.

P/2

P/2

U.

.29

U.

Y

U.

U.

.1

.2

.30

U

U

R R

. 1 2

.

1 2

1 2

.31


33/36

33

, , . - LOUDNESS, , . .31

. (), 12,

,

R C R C 1 1 2 2 - . , ,

. () .32. , , .

4. . 33 .

:

21321

21

0CCRRR

RR2 +=

1H0 =

:

6,9

1H3Q

R10R

1HR3R

C10C

1H3Rf20

1C

23

2

1

21

20

2

=

=

=

=

=

R2.

, Q .

H=35.

., .

5..

.

. .

, .

K/K0

0 f

12 dB/oct

.32


34/36

34

, , . .34

() (). .35.

.. ,

I., R0 e , I0. :

00...IREE =

= m

0..

IREE

UII:

.X.IIU22/EU +=

:.. -

.U-

-1V.:

II

min.TP

effU

PI

II= .

+

E

-

+

-

+

-

E/2

E/2

A

.34

.

I I0

.35


35/36

35

6.

10 % 5 % 2 % . 1 %

1,0 1,0 3,9 1,00 1,96 3,83 7,50 1,00 1,40 1,96 2,74 3,83 5,36 7,50

1,2 1,1 4,3 1,05 2,05 4,02 7,87 1,02 1,43 2,00 2,80 3,92 5,49 7,68

1,5 1,2 4,7 1,10 2,15 4,22 8,25 1,05 1,47 2,05 2,87 4,02 5,62 7,87

1,8 1,3 5,1 1,15 2,26 4,42 8,66 1,07 1,50 2,10 2,94 4,12 5,76 8,06

2,2 1,5 5,6 1,21 2,37 4,64 9,09 1,10 1,54 2,15 3,01 4,22 5,90 8,25

2,7 1,6 6,2 1,27 2,49 4,87 9,53 1,13 1,58 2,21 3,09 4,32 6,04 8,45

3,3 1,8 6,8 1,33 2,61 5,11 1,15 1,62 2,26 3,16 4,42 6,19 8,66

3,9 2,0 7,5 1,40 2,74 5,36 1,18 1,65 2,32 3,24 4,53 6,34 8,87

4,7 2,2 8,2 1,47 2,87 5,62 1,21 1,69 2,37 3,32 4,64 6,49 9,09

5,6 2,4 9,1 1,54 3,01 5,90 1,24 1,74 2,43 3,40 4,75 6,65 9,31

6,8 2,7 1,62 3,16 6,19 1,27 1,78 2,49 3,48 4,87 6,81 9,53

8,2 3,0 1,69 3,32 6,49 1,30 1,82 2,55 3,57 4,99 6,98 9,76

3,3 1,78 3,48 6,81 1,33 1,87 2,61 3,65 5,11 7,15

3,6 1,87 3,65 7,15 1,37 1,91 2,67 3,74 5,23 7,32

(UCE= 5 V, 1= 1 m)

.

2

UCE max,

V

ICmax.

mA

Ptot

mW

fT

z

CBC

PF

h21 S

mS

h11

k

rbb

F4

dB

3167 N 45 100 200 150 6 285 32 9 50 10

3168 N 25 100 200 150 6 340 34 10,0 51 10

3169 N 25 100 200 150 6 540 23 24,0 10

3237 N 45 100 300 150 4,5 340 36 9,5 41 10

3238 N 20 100 300 150, 4,5 370 35 10,5 54 10

3307 45 100 300 100 6 285 38 7,5 20 .,?..

3308 25 100 300 100 6 310 38 8,1 10

3309 20 100 300 100 6 275 40 7 46 4

3511 N 18 150 200 120 6 170 43 4 47

3512 N 18 150 200 120 6 405 37 11,0 69 5

35133 N 20 150 250 125 8 1000

3604 N 18 200 200 300 4 69 38 1,8 30

3606 N 18 100 200 200 4 125 40 3,1 36

3608 N 30 200 200 300 4 59 33 1,8 33


36/36

36

. 2 a

W

um,

V

ICmax,

6551 N 0,8 50 0,5

6821 0,6 50 0,5

9139 N 8 80 1

9140 8 80 1

7237 N 25 80 2

7238 25 80 2

7537 N 40 80 4

7538 40 80 4

7637 N 60 80 8

7638 60 80 8

7046 N 120 400 8

7055 N 117 60 15

7067

3

N 150 120 16

7.

1., . .Hi-Fi . ., , 19752., . . . ., , 19823., . . ., , 19754., . . ., , 19785., . . . ., , 19746., . . . ., , 20007., . Hi-Fi. ., , 1975

8., . . . ., , 19819., . . 2. ., , 198710., . . 2. ., , 198711., . , ., , 199112..... ., .... . .

, , 1994 .

13.. . - , , 1993.

14.- ,, 1981

15.... ,, 1988 .

Audio Amplifie Design

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