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ADF4108 View Datasheet(PDF) - Analog Devices

Part Name
Description
Manufacturer
ADF4108
ADI
Analog Devices ADI
ADF4108 Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADF4108
TYPICAL PERFORMANCE CHARACTERISTICS
FREQ UNIT:
GHz KEYWORD: R
PARAM TYPE: s
DATA FORMAT: MA
Freq
0.50000
0.60000
0.70000
0.80000
0.90000
1.00000
1.10000
1.20000
1.30000
1.40000
1.50000
1.60000
1.70000
1.80000
1.90000
2.00000
2.10000
2.20000
2.30000
2.40000
2.50000
2.60000
2.70000
2.80000
2.90000
3.00000
3.10000
3.20000
3.30000
3.40000
3.50000
3.60000
3.70000
3.80000
3.90000
4.00000
4.10000
4.20000
MAGS11
0.89148
0.88133
0.87152
0.85855
0.84911
0.83512
0.82374
0.80871
0.79176
0.77205
0.75696
0.74234
0.72239
0.69419
0.67288
0.66227
0.64758
0.62454
0.59466
0.55932
0.52256
0.48754
0.46411
0.45776
0.44859
0.44588
0.43810
0.43269
0.42777
0.42859
0.43365
0.43849
0.44475
0.44800
0.45223
0.45555
0.45313
0.45622
ANGS11
–17.2820
–20.6919
–24.5386
–27.3228
–31.0698
–34.8623
–38.5574
–41.9093
–45.6990
–49.4185
–52.8898
–56.2923
–60.2584
–63.1446
–65.6464
–68.0742
–71.3530
–75.5658
–79.6404
–82.8246
–85.2795
–85.6298
–86.1854
–86.4997
–88.8080
–91.9737
–95.4087
–99.1282
–102.748
–107.167
–111.883
–117.548
–123.856
–130.399
–136.744
–142.766
–149.269
–154.884
Freq
4.30000
4.40000
4.50000
4.60000
4.70000
4.80000
4.90000
5.00000
5.10000
5.20000
5.30000
5.40000
5.50000
5.60000
5.70000
5.80000
5.90000
6.00000
6.10000
6.20000
6.30000
6.40000
6.50000
6.60000
6.70000
6.80000
6.90000
7.00000
7.10000
7.20000
7.30000
7.40000
7.50000
7.60000
7.70000
7.80000
7.90000
8.00000
MAGS11
0.45555
0.46108
0.45325
0.45054
0.45200
0.45043
0.45282
0.44287
0.44909
0.44294
0.44558
0.45417
0.46038
0.47128
0.47439
0.48604
0.50637
0.52172
0.53342
0.53716
0.55804
0.56362
0.58268
0.59248
0.61066
0.61830
0.61633
0.61673
0.60597
0.58376
0.57673
0.58157
0.60040
0.61332
0.62927
0.63938
0.65320
0.65804
ANGS11
–159.680
–164.916
–168.452
–173.462
–176.697
178.824
174.947
170.237
166.617
162.786
158.766
153.195
147.721
139.760
132.657
125.782
121.110
115.400
107.705
101.572
97.5379
93.0936
89.2227
86.3300
83.0956
80.8843
78.0872
75.3727
73.9456
73.5883
74.1975
76.2136
77.1545
76.1122
74.8359
74.0546
72.0061
69.9926
Figure 5. S Parameter Data for the RF Input
0
VDD = 3.3V
–5
–10
TA = +85°C
–15
TA = +25°C
–20
–25
–30
–35
1
TA = –40°C
2
3
4
5
6
7
8
9
RF INPUT FREQUENCY (GHz)
Figure 6. RF Input Sensitivity
0
VDD = 3.3V, VP = 5V
ICP = 5mA
PFD FREQUENCY = 1MHz
–20 LOOP BANDWIDTH = 50kHz
RES BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
–40 AVERAGES = 1
OUTPUT POWER = –0.3dBm
HMC506LP4 VCO
–60
–0.3dBm
–61dBc
–80
–100
–120
–2MHz
–1MHz 7900MHz
1MHz
2MHz
FREQUENCY
Figure 8. Reference Spurs at 7.9 GHz
Note: The spurs are dominated by the leakage current of the tuning port on
the HMC506LP4 VCO. The leakage current was measured to be 27 nA.
6
5
4
VPP = 5V
3
ICP SETTLING = 5mA
2
1
0
–1
–2
–3
–4
–5
–6
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VCP (V)
Figure 9. Charge Pump Output Characteristics
–50
–60
–70
–80
–90
–100
–110
–120 VDD = 3.3V, VP = 5V
–130
ICP = 5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 50kHz
–140 PHASE NOISE = –82dBc/Hz @ 1kHz
HMC506LP4 VCO
–150
1kHz
FREQUENCY OFFSET
Figure 7. Phase Noise at 7.9 GHz Phase Noise
10MHz
–120
–130
VDD = 3V
VP = 5V
–140
–150
–160
–170
–180
10k
100k
1M
10M
PHASE FREQUENCY DETECTOR (Hz)
100M
Figure 10. Phase Noise (Referred to CP Output) vs. PFD Frequency
Rev. 0 | Page 8 of 20
 

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