1
BG314F1595F1596
MC1495MC1496LM1595LM1596 MC1496
1) MC1496
(a) (b)
7-1 MC1496
MC1496 7-1(a)(b)
VT1VT2 VT3VT4 VT5VT6
VT1~VT4VT7VT8 VT5VT6
8 10 UX1 4 Uy U0 6 12
2 3 RE VT5VT6
Uy 14
5 R5 I5 I0
2
42
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MC1496
1
2V MC1496
7-1 0
u
8
u
10
,
u
1
u
,
4
u
6
u
12
(7-1)
V
15
V
15
V
15
6
uu
,
(
uu
,
(
uu
,
(
8
1
8
)
uu
,
(
uu
,
(
)
u
V
)
2
V
7.2
4
V
7.2
10
)
1
5
12
10
)
4
(7-2)
2
7-1a
I8I10I1 I4 I0
14 5 R5 +UCC
+12V I0 I5 R5 I0
I
0
I
5
u
CC
R
5
500
V
7.0
(7-3)
14 -UEE-8V5 R5
R5 I0
I
0
I
5
u
R
5
EE
500
V
7.0
(7-4)
MC1496 4mA I0=I5=1mA
u
uI
(2
PD
5
6
14
)
uI
(
5
5
u
14
)
(7-5)
PD 33mW
MC1496
2
ux=uxmcoswxt uy=uymcoswyt MC1496 U0
RE uxuy
1 2 3
43
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1ux uy
26mV
VT1VT2VT3
VT4 VT5VT6 U0
U
0
RI
0
U
2
L
2
T
UU
x
y
UUK
x
0
y
1
2
UUK
xm
0
[cos(
ym
w
x
tw
)
y
cos(
w
x
tw
])
y
7-6
K0
K
0
0
RI
L
U
2
2 T
UT T=300K
U T
KT
q
26
mV
RL
7-6MC1496
U0
2uy ux 100mVVT1VT2
VT3VT4
U0
U
0
xUUK
0
y
UK
0
gm
n
1
A
n
[cos(
nw
x
tw
)
y
cos(
nw
x
tw
])
y
n
7-8
w
x w
y
w
x w
3
y
5
w
x w
y
2(
n
)1
w
x w
y
2
RE uy ux
1 ux
26mV
U0
U
0
R
L
UR
E
T
UU
x
y
1
2
UUK
xm
E
ym
[cos(
tWW
)
y
x
cos(
x
tWW
])
y
7-9
K
E
R
L
UR
E
T
7-10
7-9 RE ux MC1496
U0
44
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2 ux
100mV
U
0
R
2
R
L U
E
y
U0
ux U0 ux
3
1
uct=ucmcoswct
uct=umcost
u0t=ucm(1+mcost)coswct
= ucm coswct+
1
2
m ucm coswc+t+
1
2
mm=um/ucm
m ucm coswc-t
ucm coswct
1
mucmcoswc+t
2
1
mucmcoswc-t
2
7-2
)(tu
o t
(wU
)
)(tuC
o t
o C-
C C+
)(0 tu
o t
(a)
(b)
7-2
45
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2
1
u0t=
u0t=
1
2
1
2
mucmcoswc+t
mucmcoswc-t 7-14
MC1496 7-3
UC C2 ux C3 8
U C1 uy C4 4
U0 12 5
R5 7-4 I5 I0
I
5
I
0
U
R
5
EE
500
V
7.0
mA
1
2 3 RE URE
R6R7R8 RL
46
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7-17-2 7-3
UC=0U=0
u8 u10 u1 u4 u6 u12 u2 u3 u5
6V 6V 0V 0V 8.6V 8.6V -0.7V -0.7V -6.8V
R1R2 RP RP
ux UCt fC=20.945MHz UCP-P=40mVuy
Ut f=1kHz- UP-P=0 RP
U0=0 U4=U1 UP-P U0t
7-4a
1 4 R3 R4
)(0 tu
)(tu
)(0 tu
)(tu
Um max Um min
o t o t
)(tuC
)(tuC
(a)
(b)
7-4
2
ux UCtfC=20.945MHzUCP-P=40mV RP
U0t U1 U4 uy
f=1kHz UCP-P U0t
7-4b m
m
Um
Um
max
max
Um
Um
min
min
%100
Um max
Um min
2
47
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ust= usmcoswctcost
uct=ucmcoswc(t)7-9
U0t
1
2
1
4
1
4
USt ust= 1/2 usmcoswc+nt
U0t
uot=
=
1
2
1
4
KEusmucmcoswc+tcoswct
KEusmcost+
1
4
KEusmucmcos2wc+t
7-17
USt UCt,
uSt=usm1+mcostcoswctuct=ucmcoswct
u0(t)
uot= KEustuct
=
1
2
+
+
KEusmucm+
1
2
KEmucmcost+
1
2
KEusmucmcos2wct
1
4
1
4
KEm usmucm cos2wc+t
KEm usmucm cos2wc-t
ux=UC26mVuy=US
7-18
48
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MC1496
7-5 ux UC, uy US
R11 C6C7 C8
: C 7-3
, ux UC, fC=20.945MHzUCP-P=100mV
uy=0, RP, U0=0,. uy
US, fC=20.945MHzfn=1kHzUSP-P=200mV m=100%
U0t U’0t C8 Ut
7-6a RP U0t
US MC1496 Unt
7-6b
49
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