• 第第第 • 第第第 • 第第第 第 • 第第第第 • 第第第第 • 第第第第
92 93 95 96 914 918 919 97 98 910
107 108 109 1010 1011 1012 101 102 103 104 105 106
1111 1112 1113 1114 1115 1116 1119 1120 1121 113 114 115 116 117 118 119 1110
131 132 133 134 135 136 137 138 139 1310
141 142 143 1414
151 152 153 154 155 56
1515 1516 1517 157 159 1510 1512
92 1.5V1.5VVDIV
93 UF 9 > 0VD1VD2 UF0VI9019mAI1I2924.5mA1VAVB09 >3 > 0VD2VD1 UFUB0VI9019mAI10I2I9mA2VA3VVB0VD1 VD2 UFUB3VI9316mAI1I2623mA9 >3 3VAVB 3V
95 5010A20 80 1020 IR10231.25A80 IR102380A
96 UB > UA D
97 ui = 6sintVE =3V EVDuiuOuiE VD uo = ui ui < E VD uo = E36ui (V)t3
EVDuiuO36t3ui E VD uo = Eui < E VD uo = ui
98 A6V4.7K220ID
910 R11K RL500UZ6V,IZmax25mAIZmin5mAUI10V15V20V UOUI35V UI10VUI15VUI20V UO6VUI35VUO6V
914 Ube 0. 3v( ube 0. 7v(1 NPN
3 PNPVT 0V 0.3V 5V2 NPN
918 NPNUCEUCCUCE0UCEUCCURc0 IC0UCE0
919 SABC 50A UB>UEUBE0.7ICIB1.325mAUCE61.32523.35V>0.7BUB>UE ICIB56.5mAUCE656.52107VCUBE3V
101 UCC=12VUCE7V11.5V0.5V A. UCE7V B. UCE11.5VIC C. UCE0.5VIC , IBIC/ UCE7V UCE11.5V UCE0.5V
!
102 UCC=12VRC=2.2k,=60UBE=0.6V UCE=6VRB= IC=1.5mARB= RB=0 =2.73mA=250.55K=456KRB0UCCB
104 QQQIC UCEQQQIBRBIBRCIBEC
105 VSVTUZ 7.5VIZM50mAICVSIC2.5mARER1+12V220VSICRE680UB=7.5V UE=7.50.76.8VIE=6.8680=10mAICIE=10mAIZ127.522020.45mAPZ0.020457.50.153WIC2.5mARE6.82.52.72K
106 =50,QAuRiRoRB1RB2RERc+12VRsRLUs20K10K2K2K2K= 4V UE = UBUBE = 40.7 = 3.3V= 1.65mA= 33AUCE UccIC( Rc+RE )= 121.65(2+2)= 5.4 V
=1.104K =30IC50VC
107 RB1=33K , RB2=8.2K , Rc= 10K, RF=390 , RE=3K , Vcc=20V , =40RL=10KAurbe rirOU0460mV, UIRS1KUS=? = 3.98V= 1.17mA
US=UOAus= 47.9mVibUI=UOAu= 39.55mV
108 60QAuAus ri r0
=2.86K
109 , =50rbe=1Kri rO
1010 U01.5V5.1KU01Vro E0U01.5V1.55.1= r0 + 5.1r0 = 2.55K
1011 RL6K3KU03V2.4Vro RLU0RL6KRL3K r0 = 2K E0= 4VRLU0E04V
1012 Au1Au2RCRE uO2t
113 ui1ui2ui2t3 ui1tuO=ui1+ui23 3 3
114 ui10.5Vui22V ui31V uoR3ui1uoui260Kuo130K100K50K20K:A1A239K39Kui3R3
115 iL ui u+u ui iL= uO(RL+R1) i uR1
OK !
116 TR2R3R44R1u + u 0 i i +0 i 1 i2 = u iR1:
117 AuuO 10K20KuiRP:Au2~ 1
118 uOuiuO uiS:SS
119 uR1=ui1ui2
1110 uOUOUI UI1UI2
1111 u01u02u03A1A2A3
1112 C1F R50K RC=501031106= 0.005Su0 =000 t = 1V t = 10mS:uO
1113 R1R3R4R5Ru01 = ui1 R3 / R1 = ui1 ui2u01R4R5R
1115 uouiu+u
1116 1.
2.
3.
1119 +UOMui > 0 VDuO u 0ui < 0 VDuO UOM
1120 UOM12VUZ6V0.7Vui=12sintUR3VuOui < 3 VSuO6V ui > 3 VSuO=0.7V 0.7+6
1121 UZ6V uiuou+ 0u+ u uO0u < 0 uO+ UZ u > 0 uO UZ u0 UT= 3R2/R13VVZR1R2
uiuo2VVZu+ 0 u+ u uO0u < 0 uO+ UZ u > 0 uO UZ u0 UT = 2R2/R1VR1R2
131 IB0 IC0 UBE0 ICIB IBS > IB > 0 UCEUBE IB > IBS
132IBSECRC 5402 0.0625mA IB = (5UBE)/RB = (50.7)/100 = 0.043mA IB < IBS T
IBSECRC 5502.2 0.045mA IB = (5UBE)/RB = (50.7)/47 = 0.1mA IB > IBS T
UI = 0IB 0 IC 0TUI = 3VIBSECRC 5352.5 0.057mA IB = (UIUBE)/RB = (30.7)/30 = 0.077mA IB > IBS T
UI=0 UBE IBS T =30
133 ABAB
134 ABCABCF1001
135 _______A
136 ABABF1100
138
139
1310
141 &FA BC
142(a)
142(b) A B
143 1 A BCi1Ci1S1001000110010111
144 010001111111AB
1. A+BB+CFABC001
2. 1ABF
FA BC1
3.
4. ABCY1111ABC11
5. 74LS204
151 QQSRQ
152 QCPQJKCPD Q
153(a) 0CP Q1CPJQ1KCPQ1
153(b) 0CP FQ2CPDF
154 0CP QCPQCPQCPJQKCPQ1
CPD QCPQCPQCPDQCPQ1
155 0CP AQ&CPACPA1CPQ1AQ2
156 DRD Q1Q2JQ2CDCPKQ1Q2RDRDQ1Q2CPD1
157 Q3Q2Q1 111J1K11 0110 1011 1 100123410000010010100101011111001011111110150001111610000001170001111118111
159 J2K2Q1J3 Q1 Q2 K31K11 0001 010000 0 011123450101111101010010101111100101111000 0
1510 J3Q1Q2 K3Q2
1512
1515 Q3 Q2 Q1 Q0 T4293 CP1 R02 R01 CP0 CP0 Q3Q0Q3Q2 Q1Q00101R01 R021
Q3 Q2 Q1 Q0 T4293 CP1 R02 R01 CP0 CP0 Q3Q0Q3Q2 Q1Q01100R01 R021
1516 T429364 Q3 Q2 Q1 Q0 T4293 CP1 R02 R01 CP0 Q3 Q2 Q1 Q0 T4293 CP1 R02 R01 CP08864
Q3 Q2 Q1 Q0 T4290 CP1 R02 R01 S92 S91 CP0 Q3 Q2 Q1 Q0 T4290 CP1 R02 R01 S92 S91 CP01517 T4290363649CP