adf7011 Analog Devices, Inc., adf7011 Datasheet - Page 11

• Manufacturer Part Number: adf7011
• Description: High Performance Ism Band Ask/fsk/gfsk Transmitter Ic
• Manufacturer: Analog Devices, Inc.

RF N Register
REV. 0
DB23 DB22
LDP
LDP
0
1
V1
0
1
V1
3 CYCLES < 15ns
5 CYCLES < 15ns
LOCK DETECT
PRECISION
DB21
N8
VCO BAND
866–870
433–435
(MHz)
DB20
N7
DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10
N6
N8
0
0
0
0
.
.
.
1
1
1
8-BIT INTEGER-N
N5
N4
N7
0
0
0
0
.
.
.
1
1
1
M12
0
0
0
.
.
.
1
1
1
1
N3
M11
N6
N2
0
1
1
1
.
.
.
1
1
1
0
0
0
.
.
.
1
1
1
1
N1
M10
N5
1
0
0
0
.
.
.
1
1
1
M12
0
0
0
.
.
.
1
1
1
1
M11
–11–
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
N4
1
0
0
0
.
.
.
1
1
1
M10
M9
e.g., MODULUS DIVIDE RATIO = 2048 –> FRACTION 1/2
N3
M3
1
0
0
0
.
.
.
1
1
1
1
1
1
.
.
.
1
1
1
1
DB9
12-BIT FRACTIONAL-N
M8
e.g., SETTING F = 0 IN FSK MODE TURNS ON THE
- WHILE THE PLL IS AN INTEGER VALUE
DB8
M7
THE N VALUE CHOSEN IS A MINIMUM OF
P
MEANS A MINIMUM N DIVIDE OF 91.
N2
1
0
0
1
.
.
.
0
1
1
2
M2
+ 3P + 3. FOR PRESCALER = 8/9, THIS
0
0
1
.
.
.
0
0
1
1
DB7
M6
DB6
M5
N1
1
0
1
0
.
.
.
1
0
1
M1
0
1
0
0
1
0
1
.
.
.
DB5
M4
DIVIDE RATIO
DB4
DIVIDE RATIO
N COUNTER
M3
MODULUS
4
5
6
.
.
.
4092
4093
4094
4095
31
32
33
34
.
.
.
253
254
255
DB3 DB2
M2
M1
ADF7011
C2 (0) C1 (1)
DB1
CONTROL
BITS
DB0