74HCT9046AN Philips, 74HCT9046AN Datasheet - Page 26

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

Philips Semiconductors
1999 Jan 11
PLL with bandgap controlled VCO
a. Operating without offset; f
b. Operating with offset; f
c
= centre frequency; 2f
c
= centre frequency; 2f
f VCO
f max
f min
f off
f VCO
f max
f c
f min
f c
1.1 V
Fig.29 Frequency characteristic of VCO.
L
1.1 V
= frequency lock range.
L
= frequency lock range.
0.6f L
1/2V CC
1/2V CC
26
a.
b.
V CC
V CC
1.1 V
1.1 V
VCO IN
2f L
VCO IN
2f L
V CC
V CC
MGA939 - 1
MGA938 - 1
R1,C1
R2,C1
due to
due to
due to
R1,C1
74HCT9046A
Product specification