74hct7046a NXP Semiconductors, 74hct7046a Datasheet - Page 22

• Manufacturer Part Number: 74hct7046a
• Description: Phase-locked-loop With Lock Detector
• Manufacturer: NXP Semiconductors

handbook, halfpage
Fig.16 Frequency stability of the VCO as a function of ambient temperature with supply voltage as a parameter.
(%)
f
25
20
15
10
10
15
20
25
5
0
5
50
- - - - with offset (R1 = ): (a) R2 = 3 k ; (b) R2 = 10 k ; (c) R2 = 300 k .
In (b), the frequency stability for R1 = R2 = 10 k at 5 V is also given (curve A). This curve is set by the total VCO bias current, and is
not simply the addition of the two 10 k stability curves. C1 = 100 pF; V
without offset (R2 = ): (a) R1 = 3 k ; (b) R1 = 10 k ; (c) R1 = 300 k .
0
(a)
50
V
CC
=
6 V
100
5 V
T amb (
3 V
4.5 V
3 V
MSB710
5 V
6 V
o
C)
150
handbook, halfpage
(%)
f
25
20
15
10
10
15
20
25
5
0
5
50
0
(b)
5 V
6 V
50
3 V
100
VCO IN
T
amb
V
CC
MSB711
3 V
5 V
6 V
( C)
A
=
o
= 0.5 V
150
CC
.
handbook, halfpage
(%)
f
25
20
15
10
10
15
20
25
5
0
5
50
0
(c)
50
V
6 V
5 V
CC
3 V
=
100
T
amb
MSB712
5 V
6 V
3 V
( C)
o
150