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參數資料
| 型號： | ADF4108BCPZ-RL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | XO, clock |
| 英文描述： | PLL Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 8000 MHz, QCC20 |
| 封裝： | 4 X 4 MM, LEAD FREE, LFCSP-20 |
| 文件頁數： | 8/20頁 |
| 文件大小： | 350K |
| 代理商： | ADF4108BCPZ-RL7 |
ADF4108
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. 0 | Page 8 of 20
0.50000
0.60000
0.90000
1.20000
1.50000
1.80000
2.10000
2.40000
2.70000
3.00000
3.30000
3.60000
3.90000
4.20000
–17.2820
–20.6919
–31.0698
–41.9093
–52.8898
–63.1446
–71.3530
–82.8246
–86.1854
–91.9737
–102.748
0.89148
0.88133
0.84911
0.43269
0.43365
0.44800
0.45313
4.30000
6.10000
6.40000
6.70000
7.00000
7.30000
7.60000
7.90000
0.45555
0.45054
0.45282
0.44294
0.46038
0.48604
0.53342
0.56362
0.61066
0.61673
0.57673
0.61332
0.65320
–159.680
–173.462
174.947
77.1545
74.0546
Freq
MAGS11
ANGS11
FREQ UNIT:
PARAM TYPE:
GHz
s
KEYWORD: R
Freq
MAGS11
ANGS11
0
Figure 5. S Parameter Data for the RF Input
0
–35
–30
–25
–20
–15
–10
–5
1
9
8
7
6
5
4
3
2
R
RF INPUT FREQUENCY (GHz)
V
DD
= 3.3V
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
0
Figure 6. RF Input Sensitivity
–50
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
1kHz
10MHz
FREQUENCY OFFSET
P
V
DD
= 3.3V, V
P
= 5V
I
= 5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 50kHz
PHASE NOISE = –82dBc/Hz @ 1kHz
HMC506LP4 VCO
0
Figure 7. Phase Noise at 7.9 GHz Phase Noise
0
–120
–100
–80
–60
–40
–20
–2MHz
–1MHz
7900MHz
FREQUENCY
1MHz
2MHz
O
0
–61dBc
V
DD
= 3.3V, V
P
= 5V
I
= 5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 50kHz
RES BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
AVERAGES = 1
OUTPUT POWER = –0.3dBm
HMC506LP4 VCO
–0.3dBm
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
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
5.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
V
CP
(V)
I
C
V
PP
= 5V
I
CP
SETTLING = 5mA
0
Figure 9. Charge Pump Output Characteristics
–120
–180
–170
–160
–150
–140
–130
100M
10k
100k
PHASE FREQUENCY DETECTOR (Hz)
1M
10M
P
V
DD
= 3V
V
P
= 5V
0
Figure 10. Phase Noise (Referred to CP Output) vs. PFD Frequency
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