74hct9046a NXP Semiconductors, 74hct9046a Datasheet - Page 27

• Manufacturer Part Number: 74hct9046a
• Description: Pll With Bandgap Controlled Vco
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 30
PLL with band gap controlled VCO
f VCO
f max
f min
f VCO
f off
f max
f min
f c
f c
1.1 V
Fig.29 Frequency characteristic of VCO.
1.1 V
a. Operating without offset;
f
2f
c
L
= centre frequency;
b. Operating with offset;
f
2f
c
= frequency lock range.
L
= centre frequency;
= frequency lock range.
0.6f L
0.5 V CC
0.5 V CC
27
V CC 1.1 V
V CC 1.1 V
VCO_IN
VCO_IN
2f L
2f L
V CC
V CC
MGA939
due to
R1,C1
due to
R2,C1
MGA938
due to
R1,C1
74HCT9046A
Product specification