EVAL-ADRF6820 Datasheet, PDF (9/20 Pages) Analog Devices – On-board USB for SPI control

EVAL-ADRF6820 User Guide
PWRDWN _R21
PWRDWN
0
EG1218
VCC_+3P3V
UG-652
Figure 7. Power-Down Switch
CP
YEL
R89
0
CPOUT
R11
0
C57
22PF
VTUNE
YEL
R23
10K
R12
3K
C58
2.7NF
R26
10K
C59
6.8PF
Figure 8. External Loop Filter
R56
0
C60
22PF
R75 DNI
0
R74
0
VTUNE
DECL_VCO
YEL
R88
0
DECL_VCO
Rev. 0 | Page 9 of 20