Datasheet

ADF4110/ADF4111/ADF4112/ADF4113 Data Sheet
Rev. F | Page 24 of 28
V
DD
V
P
AV
DD
DV
DD
ADF4110
ADF4111
ADF4112
ADF4113
V
P
4.7kΩ
VCO
V
CC
GND
18
Ω
18
Ω
18Ω
100pF
100pF
RF
OUT
REF
IN
51Ω
100pF
100pF
DNGP
C
DNG
A
DN
GD
RF
IN
A
RF
IN
B
DECOUPLING CAPACITORS AND INTERFACE SIGNALS HAVE
BEEN OMITTED FROM THE DIAGRAM TO INCREASE CLARITY.
R
SET
CP
CE
POWER-DOWN CONTROL
V
DD
S
IN
D
GND
LOOP
FILTER
ADG701
FREF
IN
1
8
7
15
16
2
6
5
9
43
10
03496-0-040
Figure 35. Local Oscillator Shutdown Circuit
V
DD
V
P
AV
DD
DV
DD
ADF4113
V
P
2.8nF
680Ω
130pF
3.3kΩ
19nF
M3500-2235
V
CC
18Ω
18Ω
18Ω
100pF
100pF
RF
OUT
1000pF
1000pF
51Ω
REF
IN
MUXOUT
LOCK
DETECT
51Ω
100pF
100pF
DNGPC
DNGA
DNGD
RF
IN
A
RF
IN
B
CE
CLK
DATA
LE
SUBLAIRESELBITAPMOC-IPS
DECOUPLING CAPACITORS ON AV
DD
, DV
DD
, V
P
OF THE ADF4113
AND ON VCC OF THE M3500-2250 HAVE BEEN OMITTED FROM
THE DIAGRAM TO AID CLARITY.
R
SET
CP
4.7kΩ
12V
V_TUNE
GND
20V
1kΩ
AD820
3kΩ
OUT
FREF
IN
3 4 9
5
6
14
2
1
8
7 15 16
03496-0-041
Figure 36. Wideband Phase-Locked Loop