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MC74HC4046AFELG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
MC74HC4046A
http://onsemi.com
13
Figure 22. R2 versus f
max
Figure 23. R2 versus f
min
Figure 24. R2 versus Frequency Lock Range (2f
L
)
FREQ. (MHz)
1.0 10
1
10
4
10
5
10
2
10
3
0
5.0
10
15
20
C1=39pF
R2 (kW)
10
0
10
1
10
4
10
5
10
6
C1=39pF
10
2
10
3
−2.0
0
4.0
2.0
6.0
8.0
10
12
14
FREQ. (MHz)
R2 (kW)
R1=10kW
R1=3kW
R1=20kW
R1=30kW
R1=40kW
R1=50kW
R1=100kW
R1=300kW
R1=3.0kW
R1=20kW
R1=30kW
R1=100kW
R1=300kW
R1=50kW
R2 (kW)
1.0 10
1
10
2
10
3
10
4
10
5
2f
0
10
20
C1=39pF
R1=10kW
R1=3.0kW
R1=20kW
R1=30kW
R1=40kW
R1=50kW
R1=100kW
R1=300kW
R1=40kW
L
(MHz)
R1=10kW
MC74HC4046A
http://onsemi.com
14
APPLICATION INFORMATION
The following information is a guide for approximate values of R1, R2, and C1. Figures 20, 21, and 22 should be used as
references as indicated below, also the values of R1, R2, and C1 should not violate the Maximum values indicated in the DC
ELECTRICAL CHARACTERISTICS tables.
Phase Comparator 1 Phase Comparator 2 Phase Comparator 3
R
2
= ∞ R
2
0 R R
2
= ∞ R
2
0 R R
2
= ∞ R
2
0 R
• Given f0
• Use f0 with
Figure 19 to
determine R1 and
C1.
(see Figure 24 for
characteristics of
the VCO operation)
• Given f0 and fL
• Calculate f
min
f
min
= f0−fL
• Determine values
of C1 and R2 from
Figure 21.
• Determine R1−C1
from Figure 22.
• Calculate value of
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
(see Figure 25 for
characteristics of
the VCO operation)
• Given f
max
and f0
• Determine the
value of R1 and
C1 using Figure
20 and use Figure
22 to obtain 2fL
and then use this
to calculate f
min
.
• Given f0 and fL
• Calculate f
min
f
min
= f0−fL
• Determine values
of C1 and R2 from
Figure 21.
• Determine R1−C1
from Figure 22.
• Calculate value of
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
(see Figure 25 for
characteristics of
the VCO operation)
• Given f
max
and f0
• Determine the
value of R1 and
C1 using Figure
20 and Figure 22
to obtain 2fL and
then use this to
calculate f
min
.
• Given f0 and fL
• Calculate f
min:
f
min
= f0−fL
• Determine values
of C1 and R2 from
Figure 21.
• Determine R1−C1
from Figure 22.
• Calculate value of
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
(see Figure 25 for
characteristics of
the VCO operation)
MC74HC4046A
http://onsemi.com
15
PACKAGE DIMENSIONS
PDIP−16
N SUFFIX
CASE 648−08
ISSUE T
SOIC−16
D SUFFIX
CASE 751B−05
ISSUE J
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS
WHEN FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE
MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
−A−
B
F
C
S
H
G
D
J
L
M
16 PL
SEATING
18
916
K
PLANE
−T−
M
A
M
0.25 (0.010) T
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.70 1.02 1.77
G 0.100 BSC 2.54 BSC
H 0.050 BSC 1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M 0 10 0 10
S 0.020 0.040 0.51 1.01
____
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
18
16 9
SEATING
PLANE
F
J
M
R X 45
_
G
8 PLP
−B−
−A−
M
0.25 (0.010) B
S
−T−
D
K
C
16 PL
S
B
M
0.25 (0.010) A
S
T
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G 1.27 BSC 0.050 BSC
J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0 7 0 7
P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019
____
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

MC74HC4046AFELG

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Buy MC74HC4046AFELG
Manufacturer:
ON Semiconductor
Description:
Phase Locked Loops - PLL LOG CMOS PLL
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