Datasheet

Data Sheet ADF41020
Rev. A | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 4. RF Input Sensitivity
Figure 5. Charge Pump Output Characteristics
Figure 6. Closed-Loop Phase Noise, RF = 12.5 GHz, PFD = 2.5 MHz,
Loop Bandwidth = 20 kHz
Figure 7. REF
IN
Sensitivity
Figure 8. S-Parameters
–70
–60
–50
–40
–30
–20
–10
0
10
20
0 5 10 15 20 25
RF
IN
LEV
E
L (dB)
FREQUENCY (GHz)
8/9 PRESCALER
16/17 PRESCALER
10304-004
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
6
0 0.5 1.0 1.5 2.0 2.5 3.0
I
CP
(mA)
V
CP
(V)
0.625mA
1.25mA
1.875mA
2.5mA
3.125mA
3.75mA
4.375mA
5.0mA
0.625mA
1.25mA
1.875mA
2.5mA
3.125mA
3.75mA
4.375mA
5.0mA
10304-005
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
100 1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
10304-006
FREQUENCY (MHz)
10304-007
–25
–20
–15
–10
–5
0
5
10
0 100 200 300 400 500 600 700 800 900 1000
REFERENCE SENSITIVITY (dBm)
FREQ MAGS11 ANGS11 FREQ MAGS11 ANGS11
FREQ UNIT: GHz KEYWORD: R
PARAM TYPE: s
DATA FORMAT: MA
0.20099200
0.19669930
0.19140480
0.18317790
0.17232760
0.16071930
0.14943970
0.13791310
0.12839340
0.12090700
0.11516160
0.11252430
0.11213720
0.11236920
0.11323590
0.11401910
0.11361600
0.11225360
0.10909150
0.10484100
0.09871251
0.09258573
0.08667851
0.08075383
0.07542522
0.07048169
0.06751262
0.06561201
0.06308079
0.05995205
0.05666475
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
7.8
8.0
8.2
8.4
8.6
8.8
9.0
9.2
9.4
9.6
9.8
10.0
–133.9429000
–134.7069000
–135.0024000
–135.1249000
–135.0415000
–135.1840000
–136.0447000
–137.7694000
–140.5623000
–144.7454000
–149.8260000
–155.1801000
–160.0477000
–164.5794000
–168.1217000
–170.9163000
–173.2882000
–175.2539000
–176.9327000
–179.0774000
178.5525000
175.9697000
172.5878000
168.3692000
163.5676000
159.0954000
154.6976000
149.2087000
142.2284000
137.8226000
134.1730000
0.05542031
0.05306026
0.05123230
0.04471957
0.03846882
0.03402513
0.04456061
0.05158395
0.06039219
0.05580344
0.08402054
0.10374910
0.11639920
0.13647950
0.16700580
0.18309070
0.19458010
0.20377790
0.21170140
0.21883690
0.22280700
0.22498210
0.22589250
0.22572100
0.22596830
0.23197900
0.24339450
0.26023130
0.28636130
0.31905490
10.2
10.4
10.6
10.8
11.0
11.4
11.8
12.2
12.6
13.0
13.4
13.8
14.2
14.6
15.0
15.2
15.4
15.6
15.8
16.0
16.2
16.4
16.6
16.8
17.0
17.2
17.4
17.6
17.8
18.0
130.0581000
126.9556000
115.8988000
102.0333000
86.3895600
51.1515300
21.0829700
16.8124600
16.5178200
31.4631600
36.3540700
18.8428500
0.2817307
–15.4473000
–22.3273100
–24.3333900
–25.3870800
–25.0101800
–24.2554800
–23.4312200
–23.5596400
–24.411100
–26.5202700
–30.3773300
–36.2808700
–42.8398200
–50.7222200
–57.5844600
–63.0764200
–67.5389600
10304-008