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ADF4150HV
Rev. 0 | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
0
2
4
6
8
10 121416 182022 2426
28
I CP
(A
)
VCP (V)
090
58
-00
4
–500
–450
–400
–350
–300
–250
–200
–150
–100
–50
0
50
100
150
200
250
300
350
400
450
500
550
600
ICP = 50A SOURCE
ICP = 50A SINK
ICP = 100A SOURCE
ICP = 100A SINK
ICP = 150A SOURCE
ICP = 150A SINK
ICP = 200A SOURCE
ICP = 200A SINK
ICP = 250A SOURCE
ICP = 250A SINK
ICP = 300A SOURCE
ICP = 300A SINK
ICP = 350A SOURCE
ICP = 350A SINK
ICP = 400A SOURCE
ICP = 400A SINK
Figure 4. Charge Pump Output Characteristics, VP = 28 V,
ICP Varied from 50 μA to 400 μA, RSET = 5.1 kΩ
100
1k
10k
100k
1M
10M
100M
P
HAS
E
N
O
IS
E
(d
Bc/
H
z)
FREQUENCY (Hz)
09
05
8-
0
05
–170
–165
–160
–155
–150
–145
–140
–135
–130
–125
–120
–115
–110
–105
–100
–95
–90
–85
–80
ADF4150HV
RMS NOISE = 0.28°
ADF4156
RMS NOISE = 0.36°
Active Filter Implemented Using
OP27 Op Amp; PFD = 20 MHz, Loop
Bandwidth = 10 kHz, ICP = 300 μA, Carrier Frequency = 1.7 GHz, VP = 28 V
0
50
100
150
200
250
300
F
R
EQ
U
EN
C
Y
(
G
H
z)
TIME (s)
09
05
8-
0
06
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.0
1.9
BOOST MODE ON
BOOST MODE OFF
Figure 6. PLL Lock Time with Boost Mode On and Off;
Locking over Octave Range Jump (1 GHz to 2 GHz) for PFD = 20 MHz,
Loop Bandwidth = 100 kHz, ICP = 300 μA, VP = 28 V, VDD = 3.3 V, REFIN = 100 MHz
0
2
4
6
8
10 121416 182022 2426
28
I CP
M
IS
M
AT
CH
(
%
)
VCP (V)
090
58
-00
7
–16
–14
–12
–10
–8
–6
–4
–2
0
2
4
6
8
10
12
14
16
VP = 6V MISMATCH (%)
VP = 9V MISMATCH (%)
VP = 12V MISMATCH (%)
VP = 15V MISMATCH (%)
VP = 18V MISMATCH (%)
VP = 21V MISMATCH (%)
VP = 24V MISMATCH (%)
VP = 28V MISMATCH (%)
Figure 7. Charge Pump Output Mismatch vs. VP, ICP = 200 μA
1500
1525
1520
1515
1510
1505
SPU
R
L
E
VEL
(d
B
c)
FREQUENCY (MHz)
09
05
8-
0
08
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
200kHz
400kHz
600kHz
800kHz
BEAT NOTE
SPUR
BEAT NOTE
SPUR
Figure 8. Fractional Spur Levels vs. Frequency, Low Spur Mode;
Measured at VCO Output, PFD = 25 MHz, MOD = 125
1500
1525
1520
1515
1510
1505
SP
U
R
L
E
VE
L
(d
B
c)
FREQUENCY (MHz)
09
05
8-
0
09
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
200kHz
400kHz
600kHz
800kHz
Figure 9. Fractional Spur Levels vs. Frequency, Low Noise Mode;
Measured at VCO Output, PFD = 25 MHz, MOD = 125