74HCT9046A Datasheet, PDF (8/40 Pages) NXP Semiconductors – PLL with bandgap controlled VCO

Philips Semiconductors
PLL with bandgap controlled VCO
Product specification
74HCT9046A
VCC
V _{DEMOUT (AV)}
1/2V _CC
MBD101 - 1
0
0^o
90 ^o _{Φ PCIN}
180 ^o
V_DEMOUT = V_PC1OUT = ^V----_π-^C---^C-- ( Φ_SIGIN – Φ_COMPIN)
Φ_PCIN = (Φ_SIGIN – Φ_COMPIN)
Fig.6 Phase comparator 1; average output voltage as a function of input phase difference.
SIGN _IN
COMP _IN
VCO _OUT
PC1 _OUT
VCO _IN
VC1A
VC1B
VCC
GND
pin 6
pin 7
MBD100
1999 Jan 11
Fig.7 Typical waveforms for PLL using phase comparator 1; loop-locked at f_c.
8