AK1573 Datasheet, PDF (10/42 Pages) Asahi Kasei Microsystems – Low Noise Integrated VCO

[AK1573/AK1573B/AK1573C]
10.4. Loop filter
Figure.5 shows loop filter topology used to evaluate AK1573, AK1573B and AK1573C.
PFD
Up
Down
Timer
Loop filter
CP
R3
R2
C1
C3
C2
VCNT
Figure.5 Loop Filter Schematic
015009351-E-00
- 10 -
2015/8