74HCT9046AN Philips, 74HCT9046AN Datasheet - Page 21

• Manufacturer Part Number: 74HCT9046AN
• Description: PLL with bandgap controlled VCO
• Manufacturer: Philips

Philips Semiconductors
1999 Jan 11
PLL with bandgap controlled VCO
a. R1 = 3 k ; R2 = ; C1 = 100 pF.
b. R1 = 10 k ; R2 =
a. R1 = 300 k ; R2 = ; C1 = 100 pF.
b. R1 = ; R2 = 3 k ; C1 = 100 pF.
Fig.20 Frequency stability of the VCO as a function of ambient temperature with supply voltage as a parameter.
Fig.21 Frequency stability of the VCO as a function of ambient temperature with supply voltage as a parameter.
(%)
(%)
f
f
20
10
10
20
10
10
0
5
0
5
50
50
C1 = 100 pF.
0
0
50
50
a.
a.
V
100
100
CC
T
T
=
amb
amb
V
MBD115
MBD124
5.5 V
4.5 V
5.5 V
4.5 V
CC
( C)
( C)
o
o
=
150
150
21
(%)
(%)
f
f
15
10
10
15
15
10
10
15
20
5
0
5
5
0
5
50
50
0
0
50
b.
50
b.
74HCT9046A
100
100
Product specification
T
T
amb
amb
V
V
MBD116
MBD117
5.5 V
4.5 V
5.5 V
4.5 V
CC
CC
( C)
( C)
o
o
=
=
150
150