PowerWise® Design University
PLL Building Blocks
What is B?
Phase Detector
Loop Filter
N - Counter
R - Counter
What is H?
Fout
Fcomp
Fosc
VCO
What is G?
Fout
Fcomp
Fosc
VCO
What is E?
Phase Detector
Loop Filter
N - Counter
R - Counter
What is the minimun continuous divide ratio for a 64/65 prescaler?
992
240
4032
1024
What is D?
Phase Detector
Loop Filter
N - Counter
N - Counter
What is F?
Fout
Fcomp
Fosc
VCO
What is A?
Fout
Fcomp
Fosc
VCO
What is C?
Phase Detector
Loop Filter
N - Counter
R - Counter
What kind of filter is the PLL loop filter?
High pass
Low pass
Band pass
All pass
If a VCO has an output frequency of 900 MHz when the tuning voltage is 1 volt, and the tuning gain is 20 MHz/V, what will be the output frequency when the tuning voltage is 1.3 volts?
900 MHz
906 MHz
907 MHz
920 MHz
