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7 CD74HCT4046AM (SUB VIDEO ASSY: IC4713)
PLL IC
¶ Pin Assignment
PCP
1
16
OUT
V
CC
PC1
OUT
2
15
PC3
COMP
3
14
IN
SIG
VCO
OUT
4
13
PC2
INH
5
12
R
2
C1
A
6
11
R
1
C1
B
7
10
DEM
8
9
GND
VCO
¶ Pin Function
Pin No.
Pin Name
I/O
1
PCPOUT
—
2
PC1OUT
—
3
COMPIN
I
4
VCOOUT
—
5
INH
I
6
C1A
—
7
C1B
—
8
GND
—
¶ Block Diagram
OUT
12
IN
R
2
OUT
CURRENT
MIRROR
V
CO
9
IN
11
R
1
OUT
DEM
10
OUT
IN
5
INHIBT
HC/HCT4046A
16
C
2
V
CC
R
4
Function
Phase comparator pulse output
Phase comparator 1 output
Comparator input
VCO output
Inhibit input
Capacitor C1 connection A
Capacitor C1 connection B
Ground(0V)
C
1
C1A
C1B
6
7
V
CC
CURRENT
AMP.
+
P
P
-
N
N
J
+
-
K
+
-
PHASE II
CURRENT
SOURCE
SWITCH
8
13
GND
PHASE COMP II OUTPUT
Pin No.
Pin Name
9
VCOIN
10
DEMOUT
11
R1
12
R2
13
PC2OUT
14
SIGIN
15
PC3OUT
16
Vcc
PRO-700HD
VCO OUT COMP IN SIG IN
4
3
14
PHASE I
PHASE III
S
R
Q
C
Q
Q
D
Q
Cd
"1"
Cd
VCO
C
Q
D
Q
"1"
V
CC
P
N
PHASE PULSES
1
PHASE PULSE OUTPUT
I/O
Function
—
VCO input
—
Demodulator output
—
Resistor R1 connection
—
Resistor R2 connection
O
Phase comparator 2 output
I
Signal input
—
Phase comparator 3 output
—
Positive supply voltage
PHASE COMP
OUT I
III
2
15
Q
Q
241
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