???? Common Emitter (CE)

1
?????? ?????????? ????????????? ???? ???"?

• ??? ??? ?????? ??-??????? ???-???????
• (2)
• ????? ????? ???? ????? ??????

2
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

3
???? Common Emitter ????? DC

• ???? ?????? ????? Common Source

• ???? ????? R1 ?- R2
• ????? ????? ?????? ?? ?????
• ?????? ?-CS ??? ????? ????? 0
• ? ?????? DC ????? ????? ?????

4
???? Common Emitter ????? DC

• ???? ?????? ????? Common Source

VCC

• ???? ????? R1 ?- R2
• ????? ????? ?????? ?? ?????
• ?????? ?-CS ??? ????? ????? 0
• ? ?????? DC ????? ????? ?????

RC
CO
CI
RBB
VOUT
VIN
VBB
5
???? Common Emitter ????? DC

• ???? VBB ???? ? ?????????? ?????? ?-VOUTVCC
• ????? ????? ???????? ?????? ?????

VCC
RC
CO
CI
RBB
VOUT
VIN
VBB
6
???? Common Emitter ????? DC

• ???? VBB ???? ? ?????????? ?????? ?-VOUTVCC
• ????? ????? ???????? ?????? ?????

VCC
RC
CO
CI
RBB
VOUT
VIN
VBB
7
???? Common Emitter ????? DC

• ???? VBB ???? ? ?????????? ?????? ?-VOUTVCC
• ????? ????? ???????? ?????? ?????

VCC
RC
CO
CI
RBB
VOUT
VIN
VBB
8
???? Common Emitter ????? DC

• ???? VBB ???? ? ?????????? ?????? ?- VOUTVCEsat

VCC
RC
CO
CI
RBB
VOUT
VIN
VBB
9
???? Common Emitter ??? ???
10
???? Common Emitter ??? ???
RC
CO
CI
RBB
VOUT
VIN
11
???? Common Emitter ??? ???
RC
RBB
VOUT
VIN
12
???? Common Emitter ??? ???
C
B
RBB
VOUT
VIN
E
RC
13
???? Common Emitter ??? ???

• ????? ??? ?- CS ?? ???? ???? ?? rp

C
rO
gmvBE
B
RBB
VOUT
VIN
rp
RC
E
14
???? Common Emitter ??? ???

• ???? ???? ?? ?????

C
rO
gmvBE
B
RBB
VOUT
VIN
rp
RC
E
15
???? Common Emitter ??? ???

• ???? ???? ?? ?????

C
rO
gmvBE
B
RBB
VOUT
VIN
rp
RC
E
16
???? Common Emitter ??? ???

• ??????? ????? ?????

C
rO
gmvBE
B
RBB
VOUT
VIN
rp
RC
E
17
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

18
???? Common Collector

• ???? ?????? ????? Common Drain

• ?????? ??? ?? ??? ????
• ??? ????? ???? ???? ?????? ???? ??? ???? ????
  ?????
• ??? ???? ????-????? ???? ????? ?? ??? ????
  ???????? ?????? ????
• ? ??? ?????? ???? ???? ??? ??????

19
???? Common Collector

• ???? ????? ???? ???

20
???? Common Collector

• ???? ????? ???? ???

CO
VOUT
VIN
RE
21
???? Common Collector

• ???? ????? ???? ???

VOUT
VIN
RE
22
???? Common Collector

• ???? ????? ???? ???

B
C
rO
rp
gmvBE
E
VOUT
VIN
RE
23
???? Common Collector

• ???? ????? ???? ???

B
C
rO
RS
rp
gmvBE
E
VOUT
VIN
RE
24
???? Common Collector

• ???? ????? ???? ???

B
C
iB
rO
RS
rp
biB
E
VOUT
VIN
RE
25
???? Common Collector

• ???? ????? ???? ???

RS rp
rO
iB
VOUT
VIN
RE
biB
26
???? Common Collector
RS rp
rO
iB
VOUT
VIN
RE
biB
27
???? Common Collector
RS rp
rO
iB
VOUT
VIN
RE
biB
28
???? Common Collector
RS rp
rO
iB
VOUT
VIN
RE
biB
29
???? Common Collector

• ??????? ?????

rp
rO
iTiB
VOUT
VT
RE
biB
30
???? Common Collector

• ??????? ?????

rp
rO
iTiB
VOUT
VT
RE
biB
31
???? Common Collector

• ??????? ????

rpRS
rO
iB
VT
biB
32
???? Common Collector

• ??????? ????

rpRS
rO
iB
VT
biB
33
???? Common Collector

• ??????
• ???? ????? ?????
• ??????? ????? ?????
• ??????? ???? ?????
• ? ???? ????? ?????

34
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

35
???? Common Base

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

36
???? Common Base ??? ???

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

RC
E
C
VIN
VOUT
B
37
???? Common Base ??? ???

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

E
C
VIN
VOUT
RC
B
38
???? Common Base ??? ???

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

rE
gmvBE
E
C
VIN
VOUT
RC
B
39
???? Common Base ??? ???

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

E
C
rE
VIN
VOUT
RC
gmvBE
B
40
???? Common Base ??? ???

• ???? ?????? ?- Common Gate

• ??? ?????? ????? ????? T

E
C
rE
VEB
VOUT
RC
gmvEB
B
41
???? Common Base ??? ???

• ???? ???

E
C
rE
VEB
VOUT
RC
gmvEB
B
42
???? Common Base ??? ???

• ???? ???

E
C
rE
VEB
VOUT
RC
gmvEB
B
43
???? Common Base ??? ???

• ????????? ????? ??????

E
C
rE
VEB
VOUT
RC
gmvEB
B
44
???? Common Base ??? ???

• ????? ?? ????? ??????? ????? rbb

E
C
rE
VEB
VOUT
RC
gmvEB
B
45
???? Common Base ??? ???

• ????? ?? ????? ??????? ????? rbb

E
C
rE
VE
VOUT
RC
gmvE
B
VB
rbb
46
???? Common Base ??? ???
E
C
rE
VE
VOUT
RC
gmvE
B
VB
rbb
47
???? Common Base ??? ???
E
C
rE
VE
VOUT
RC
gmvE
B
VB
rbb
48
???? Common Base ??? ???
E
C
rE
VE
VOUT
RC
gmvE
B
VB
rbb
49
???? Common Base ??? ???
E
C
rE
VE
VOUT
RC
gmvE
B
VB
rbb
50
???? Common Base

• ??????
• ??????? ????? ?????
• ???? ??? ????? ?????
• ???? ???? ???? ??? ?? ???? ??? "??????"
• ????? rbb ????? ????? ??????
• rbb100W, b100, IC26mA ? rp100W

51
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

52
???? CE ?? ??? RE ????? DC

• ????? ????? CE ?????

• ???? ????? ??? RE ?????? ??? ?????? ????? ?????
  ???? (????? ???? ?? ?? ?????)

• ???? ????? ?? ????? ???? RE

53
???? CE ?? ??? RE ????? DC

• ????? ????? CE ?????

• ???? ????? ??? RE ?????? ??? ?????? ????? ?????
  ???? (????? ???? ?? ?? ?????)

VCC
RC
CO

• ???? ????? ?? ????? ???? RE

CI
RBB
VOUT
RE
VBB
54
???? CE ?? ??? RE ????? DC

• ???? ????? ?????? ?? ?????????? ????? ?????

55
???? CE ?? ??? RE ????? DC

• ???? ????? ?????? ?? ?????????? ????? ?????

56
???? CE ?? ??? RE ??? ???

• ???? ???? ???

C
rO
bib
io
B
RS
RBB
RC
ib
VOUT
VIN
rp
vS
E
ie
RE
57
???? CE ?? ??? RE ??? ???

• ???? ???? ???

C
rO
bib
io
B
RS
RBB
RC
ib
VOUT
VIN
rp
vS
E
ie
RE
58
???? CE ?? ??? RE ??? ???

• ???? ???? ???

C
rO
bib
io
B
RS
RBB
RC
ib
VOUT
VIN
rp
vS
E
ie
RE
59
???? CE ?? ??? RE ??? ???

• ???? ???? ???

C
rO
bib
io
B
RS
RBB
RC
ib
VOUT
VIN
rp
vS
E
ie
RE
60
???? CE ?? ??? RE ??? ???

• ???? ???? ???

61
???? CE ?? ??? RE ??? ???

• ???? ???? ???

62
???? CE ?? ??? RE ??? ???

• ???? ??????? ?????

C
rO
bib
io
B
RBB
RC
ib
VOUT
VIN
rp
vt
E
ie
RE
RI
63
???? CE ?? ??? RE ??? ???

• ???? ??????? ?????

C
rO
bib
io
B
RBB
RC
ib
VOUT
VIN
rp
vt
E
ie
RE
RI
64
???? CE ?? ??? RE ??? ???

• ???? ??????? ?????

C
rO
bib
io
B
RBB
RC
ib
VOUT
VIN
rp
vt
E
ie
RE
RI
65
???? CE ?? ??? RE ??? ???

• ???? ??????? ?????

C
rO
bib
io
B
RBB
RC
ib
VOUT
VIN
rp
vt
E
ie
RE
RI
66
???? CE ?? ??? RE ??? ???

• ???? ??????? ????

C
rO
bib
it
B
ib
RBBRS
rp
vt
E
ie
RE
67
???? CE ?? ??? RE ??? ???

• ???? ??????? ????

C
rO
bib
it
B
ib
RBBRS
rp
vt
E
ie
RE
68
???? CE ?? ??? RE ??? ???

• ???? ??????? ????

C
rO
bib
it
B
ib
RBBRS
rp
vt
E
ie
RE
69
???? CE ?? ??? RE

• ??????
• ??????? ????? ????? ????
• ??????? ????? ????? ????
• ???? ??? ??? ?-CE ??? ??? ?????
• ? ???? ????-??????? ??? ????

70
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

71
?????? ??? ????? ??????

• ???? ??????? ??-???????
• ??????? ???? ????? ????
• ??????? ??????? ?????? ???? (gt1000)
• ??????? ????????????
• ???? ?????? ?? ???????

72
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

73
???? ??? ?"? CSSF

• ?????? ???? Common-Source
• ???? ???? AV-gmrO50
• ??????? ???? ????? ROUTrO1MW

74
???? ??? ?"? CSSF

• ????? ROUT ????? ???? ???? ???
• ? ????? ????? AV

75
???? ??? ?"? CSSF

• ?????? ???? Source-Follower
• ???? ????? ????? AV?1
• ??????? ???? ????? ROUT1/(gmgmb)1KW

76
???? ??? ?"? CSSF

• ?????!! ???? ??? ??-????? ?"? ????? ????

77
???? ??? ?"? CSSF

• ?????!! ???? ??? ??-????? ?"? ????? ????

• ???? ???? ???? AV-gmrO50
• ??????? ???? ????? ROUT1/(gmgmb)1KW

VDD
VDD
R1
RD
R11
C
CI
CO
R22
VOUT
R2
VIN
RS
78
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

79
???? ??? ??-????? ????? ????

• ???? ???? ??? ??? ???? ????
• ?????? ???? CSSF
• ???? ????? AV-gmrOlt50

80
???? ??? ??-????? ????? ????

• ?????!! ????? ????? ??? CSSF ??????

• ???? ???? ???? AV104-106
• ??????? ???? ????? ROUT1/(gmgmb)1KW

81
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

82
???? Cascode

• ????? ?????? ?? ???? CS (M1) ????? CG(M2)

• ?????? ??????
• ???? ???? (AV104-106)
• ??????? ???? ????? (ROUT1GW)
• ???? ????? ?????

83
???? Cascode

• ???? ?- M1, M2 ??????

84
???? Cascode- ??? ???
RD
M2
D
ro2
-gm2vX
-gmbvX
G
S
M1
X
D
VOUT
gm1vIN
ro1
G
VIN
S
85
???? Cascode- ??? ???

• ???? ???
• (?????? ? CG)

ro2
X
(gmbgm) vX
gm1vIN
ro1
RD
86
???? Cascode- ??? ???

• ???? ???? ???

ro2
X
(gmbgm) vX
gm1vIN
ro1
RD
87
???? Cascode- ??? ???
ro2
X
(gmbgm) vX
gm1vIN
ro1
RD
88
???? Cascode- ??? ???

• ??????? ????? (??????)

ro2
X
(gmbgm) vX
gm1vIN
ro1
RD
89
?????? (2) - ???? ??????

• ?????? ???????? ?? ????????? ??????? ????
• ???? Common Emitter (CE)
• ???? Common Collector (CC) Emitter Follower
• ???? Common Base (CB)
• ???? CE ?? ??? ??????
• ?????? ?? ???????
• ???? ???? ?????? ??? ??????
• ???? ??? ?"? ????? CS ?- CD
• ???? ????? ????? ??? ????
• ???? Cascode
• ???? Folded-Cascode

90
???? Folded Cascode

• ????? ?????? ?? ???? CS (M1) ????? CG(M2)
• ???!!! M1 ?- M2 ??????????? ???? ????
• ????? CS (NMOS) ?- CG (PMOS)

• ????? ???-??? ??? ??????? ?- Cascode
• ??? ??? ??? "?????" ??-NMOS
• ???? ?? ????????? ?- PMOS

91
???? Folded Cascode ??? ????

• ????? M1

92
???? Folded Cascode ??? ????

• ?????

93
???? Folded Cascode ??? ????

• ?? ?????/????? M2

94
???? Folded Cascode ??? ????