ADF4111 AD [Analog Devices], ADF4111 Datasheet - Page 21

• Manufacturer Part Number: ADF4111
• Description: RF PLL Frequency Synthesizers
• Manufacturer: AD [Analog Devices]

REV. 0
FREF
IN
1000pF 1000pF
FREF
51
IN
8
REF
CE
CLK
DATA
LE
AV
7
8
V
3
DD
DD
ADF4113
IN
AV
REF
7
V
15
3
DV
DD
DD
MUXOUT
4
ADF4110
ADF4111
ADF4112
ADF4113
IN
DD
15
4
RF
RF
DV
R
16
Figure 31. Local Oscillator Shutdown Circuit
SET
9
V
IN
IN
DD
V
9
CP
P
16
Figure 32. Wideband Phase Locked Loop
P
A
B
V
RF
RF
V
2
14
6
5
P
R
P
POWER-DOWN CONTROL
100pF
SET
IN
IN
CE
CP
A
B
4.7k
100pF
2.8nF
2
1
6
5
LOCK
DETECT
100pF
4.7k
100pF
DECOUPLING CAPACITORS ON AV
AND ON VCC OF THE M3500-2250 HAVE BEEN OMITTED FROM
THE DIAGRAM TO AID CLARITY.
51
DECOUPLING CAPACITORS AND INTERFACE SIGNALS HAVE
BEEN OMITTED FROM THE DIAGRAM TO AID CLARITY.
680
19nF
3.3k
51
FILTER
–21–
LOOP
ADF4110/ADF4111/ADF4112/ADF4113
1k
130pF
AD820
20V
DD
3k
, DV
GND
V
IN
D
CC
S
DD
ADG701
VCO
, V
GND
P
V
OF THE ADF4113
DD
V_TUNE
M3500-2235
V
100pF
12V
GND
CC
OUT
100pF
18
100pF
18
18
RF
100pF
18
OUT
18
18
RF
OUT