MC74HC4046A Datasheet, PDF (13/15 Pages) ON Semiconductor – Phase-Locked Loop

20
R1=3.0 kΩ
R1=10 kΩ
15
R1=20 kΩ
R1=30 kΩ
10
R1=40 kΩ
R1=50 kΩ
5.0
R1=100 kΩ
C1=39 pF
0
1.0
101
R1=300 kΩ
102
103
R2 ( kΩ)
104
105
Figure 22. R2 versus fmax
20
C1=39 pF
MC74HC4046A
14
12
10
8.0
6.0
4.0
2.0
0
–2.0
100
C1=39 pF
R1=3 kΩ
R1=10 kΩ
R1=20 kΩ
R1=30 kΩ
R1=40 kΩ
R1=50 kΩ
R1=100 kΩ
R1=300 kΩ
101
102
103
104
105
106
R2 ( kΩ)
Figure 23. R2 versus fmin
R1=10 kΩ
R1=3.0 kΩ
R1=20 kΩ
10
R1=30 kΩ
R1=40 kΩ
R1=50 kΩ
R1=100 kΩ
R1=300 kΩ
0
1.0
101
102
103
104
105
R2 ( kΩ)
Figure 24. R2 versus Frequency Lock Range (2fL)
High–Speed CMOS Logic Data
DL129 — Rev 6
3–13
MOTOROLA