(王贺洲)在PC—1500袖珍计算机上键入下列程序,并敲入数据:直流输出电压V\(_{D}\)(伏)、电压的调节范围Vmax和V\(_{min}\)(伏)、以及输出电流最大值IL(毫安)。机器运行后将得到打印的电路图和元器件参数值。下面举例说明。
[例]输入下面数据:V\(_{D}\)=12伏,Vmax=13.2伏,V\(_{min}\)=10.8伏,IL=300毫安。机器运行输出附图所示的电路原理图和元器件参数值。

根据参数值查元器件手册得到:变压器6瓦、次级输出15伏;D\(_{1}\)~D4为2CZ53A;调整管T\(_{1}\)用3DD53B(β≥30);T2用3DG12A(β≥50);T\(_{3}\)为3DG6(β≥50);稳压二极管DW为2CW14;C\(_{1}\)和C3选用470μF/25V电解电容器;C\(_{2}\)用0.022μF瓷介质电容器;R1=390Ω,R\(_{2}\)=620Ω,R3=380Ω,R\(_{C}\)=2.2kΩ,RW=180Ω。按电路图装配后,实测电压范围在10.5~17.3伏之间,电源内阻小于0.4Ω,电压波动±10%时,输出直流电压变化小于100毫伏。
蹷
B:V2=15V S=6W
D1—D4:23V 1>3 mA
T1:VBceo=23V Icm=450mA Pc=4050mW hfe=30
T2: BVceo=23V Icm=15mA Pc=135mW hfe=50
T3:3DG6 hfe=50
DW:Vz=7V
C1:23V C=383
C3: 23V C=500
C2=0.022 R3=380 Rc=2300
R1=423 R2=636 RW=141
10:INPUT“VD=”;VD
20:INPUT “VM=”;VM
30:INPUT“VN=”;VN
40:INPUT“IL=”;IL
50:
60:ROTATE 1
70:CSJZE 1
80:SORCN
90:LINE(60,-10)-(60,-30)-(66,-36),0,0
100:FOR X=66 TO 106 STEP 8
110:LINE(X,-36)-(X+4,-32)-(X+8,-36),0,0
120:NEXT X
130:LINE (114,-36)-(120,-30)-(120,-10),0,0,
140:FOR I=-40 TO-41 STEP-1
150:LINE(50,I)-(130,I),0,0
160:NEXT I
170:LINE(0,-360)-(0,-60)-(90,-60)-(70,-80)-(70,-50)-(74,-44),0,0
180:FOR X=74 TO 98 STEP 8
190:LINE(X,-44)-(X+4,-48)-(X+8,-44),0,0
200:NEXT X
210:LINE(106,-44)-(110,-50)-(110,-80)-(90,-100)-(70,-80),0,0
220:LINE(90,-60)-(110,-80),0,0
230:LINE(90,-70)-(90,-76)-(94,-76)-(90,-84)-(86,-76)-(90,-76),0,0
240:LINE(86,-84),-(94,-84),0,0
250:LINE(90,-84)-(90,-90),0,0
260:LINE(90,-100)-(180,-100)-(180,-200)-(168,-208)-(180,-216),0,0
270:LINE(175,-211)-(180,-216)-(180,-360),0,0
280:LINE(0,-130)-(86,-130),0,0
290:LINE(90,-122)-(90,-138)-(94,-138)-(94,-122)-(90,-122),0,0
300:LINE(94,-130)-(180,-130),0,0
310:LINE(86,-122)-(86,-138),0,0
320:LINE(180,-160)-(160,-160)-(160,-156)-(140,-156)-(140,-164)-(160,-164),0,0
330:LINE(160,-164)-(160,-160),0,0
340:LINE(140,-160)-(120,-160)-(120,-200),0,0
350:LINE(120,-200)-(120,-270)-(98,-270)-(90,-280)-(82,-270),0,0
360:LINE(86,-272)-(82,-270)-(82,-250),0,0
370:LINE(180,-250)-(160,-250)-(160,-246)-(140,-246)-(140,-254)-(160,-254),0,0
380:LINE(160,-254)-(160,-250),0,0
390:LINE(140,-250)-(46,-250),0,0
400:LINE(0,-250)-(36,-250)-(36,-244)-(46,-250)-(36,-256)-(36,-250),0,0
410:LINE(44,-240)-(46,-246)-(46,-256)-(48,-260),0,0
420:LINE(82,-280)-(98,-280),0,0
430:LINE(90,-280)-(90,-296)-(91,-290),0,0
440:LINE(0,-300)-(30,-300)-(30,-294)-(50,-294)-(50,-304)-(30,-304)-(30,-300),0,0
450:LINE(50,-300)-(80,-300)-(80,-296)-(100,-296)-(100,-304)-(80,-304),0,0
460:LINE(80,-304)-(80,-300),0,0
470:LINE(100,-300)-(130,-300)-(130,-296)-(150,-296)-(150,-304)-(130,-304),0,0
480:LINE(130,-304)-(130,-300),0,0
490:LINE(150,-300)-(180,-300),0,0
500:LINE (0,-340)-(86,-340),0,0
510:LINE(86,-332)-(86,-348),0,0
520:LINE(94,-340)-(94,-332)-(90,-332)-(90,-348)-(94,-348)-(94,-340),0,0
530:LINE(94,-340)-(180,-340),0,0
540:LINE(0,-200)-(56,-200),0,0
550:LINE(56,-192)-(56,-208),0,0
560:LINE(60,-192)-(60,-208),0,0
570:LINE(60,-200)-(148,-200)-(160,-192)-(180,-192),0,0
580:LINE(148,-200)-(160,-208)-(156,-203),0,0
590:LINE(148,-192)-(148,-208),0,0
600:LINE(160,-208)-(168,-208),0,0
610:LINE(168,-200)-(168,-216),0,0
620:LINE(168,-216)-(90,10),9
630:LPRINT“AC 220v”
640:LINE-(140,-40),9:LPRINT“B”
650:LINE-(120,-60),9:LPRINT“D1-D4”
660:LINE-(90,-145),9:LPRINT“C1”
670:LINE-(145,-171),9:LPRINT“Rc”
680:LINE-(190,-205),9:LPRINT“T1”
690:LINE-(150,-215),9:LPRINT“T2”
700:LINE-(117,-198),9:LPRINT“*”
710:LINE-(60,-218),9:LPRINT“C2”
720:LINE-(30,-265),9:LPRINT“DW”
730:LINE-(110,-275),9:LPRINT “T3”
740:LINE-(150,-260),9:LPRINT “R3”
750:LINE-(20,-310),9:LPRINT“R2”
760:LINE-(90,-310),9:LPRINT“Rw”
770:LINE-(140,-310),9:LPRINT“R1”
780:LINE-(90,-355),9:LPRINT“C3”
790:CSIZE 2
800:LINE-(160,-360),9:LPRINT“+”
810:LINE-(15,-360),9:LPRINT“-”
820:V1=(3+VM)/0.9:V2=INT(V1/1.2+0.5)
830:VR=INT(1.1*1.414*V2+0.5)
840: ID=INT〔(IL+45)/2+0.5〕
845:SB=INT(2.3*ID*V2/1000+0.5)
850:RL=V1/(IL+45)/1000
860:C1=INT(2/RL/100+0.5
870:VC=INT(1.1*1.414*V2+0.5)
880:BV=INT(1.1*1.414*V2+0.5)
890: IC=1.5*IL:PC=INT 〔(1.1*V1-VN)*IC+0.5)〕
900: I2=IC/30;P2=INT〔(1.1*V1-UN)*I2〕
910: VZ=IVT(0.6*VD)
920:R3=INT〔(VN-VZ)/0.01〕
930: R=VD/0.01:R2=INT(VZ*R/VM):RW=INT(VZ*R/VN-R2):R1=R-R2-RW
940:RC=〔V1-(1.4+VD)〕/0.002
950:CSIZE2:LINE-(200,-400),9
960: LPRINT“B:V2=”;V2;“VS=”;SB;“W”
970:LINE-(180,-400),9
980:LPRINT“D1-D4:”;VR;“V”;ID;“mA”
990:LINE-(160,-400),9
1000:LPRINT“T1:V
Bceo=”;BV;“V”
Icm=”;IC;“m
A Pc=”;PC;“m
W hfe=30”
1010:LINE-(140,-400),9
1020: LPRINT“T2:B
Uceo=”;Bv;“V
Icm =”;I2;“m
A Pc=”;P2;“m
W hfe=50”
1030:LINE-(120,-400),9
1040:LPRINT“T3:3DG6
hfe=50”
1050:LINE-(100,-400),9
1060:LPRINT“Dw:Vz=”; Vz;“V”
1070:LINE-(80,-400),9
1080:LPRINT“C1:”;VG;“V”;“C=”;C1
1090:LINE-(60,-400),9
1100:LPRINT“C3:”;VG; “V”;“C=500”
1110:LINE-(40,-400),9:
LPRINT“C2=0.022 R3=“;R3;“Rc=”; RC
1120:LINE-(20,-400),9:
LPRINT“R1=”;R1;
“ ”;“R2=”;R2;“ ”;
“Rw=”;RW
1130:END