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参数资料
| 型号： | AD8349AREZ-REEL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 调制器/解调器 |
| 英文描述： | 700 MHz - 2700 MHz RF/MICROWAVE QPSK MODULATOR |
| 封装： | LEAD FREE, MO-153ABT, TSSOP-16 |
| 文件页数： | 4/28页 |
| 文件大小： | 729K |
| 代理商： | AD8349AREZ-REEL7 |
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AD8349
Rev. A | Page 12 of 28
–160
–158
–154
–146
–142
–140
–150
–156
–148
–144
–152
NOIS
E
FLOOR
(dBm/Hz)
LO INPUT (dBm)
–10
2
03570-0-031
–8
–6
–4
–2
0
WITHOUT AC INPUT
WITH AC INPUT
Figure 31. 20 MHz Offset Noise Floor vs. LO Input Power
(FLO = 2140 MHz, TA = 25°C)
–60
–50
–40
–45
–55
–30
–35
CARRIE
R
FE
E
D
THROUGH
(dBm)
–20
–25
–10
–15
–6
–4
–10
–8
–2
0
2
LO INPUT (dBm)
03570-0032
FLO = 2140MHz
FLO = 900MHz
FLO = 1900MHz
Figure 32. Carrier Feedthrough vs. LO Input Power (FBB = 1 MHz, I and Q
Inputs Driven in Quadrature at 1.2 V p-p Differential, TA = 25°C)
–60
–50
–40
–45
–55
–30
–35
S
IDE
BAND
S
U
P
R
E
S
ION
(dBc
)
–25
–20
–10
–15
–6
–4
–10
–8
–2
0
2
LO INPUT (dBm)
03570-0033
FLO = 2140MHz
FLO = 900MHz
FLO = 1900MHz
Figure 33. Sideband Suppression vs. LO Input Power (FBB = 1 MHz, I and Q
Inputs Driven in Quadrature at 1.2 V p-p Differential, TA = 25°C)
0
5
10
15
20
25
30
35
P
E
RCE
NTAGE
–0.100
–0.125
–0.175 –0.150
–0.200
–0.075 –0.050 –0.025
0
MAGNITUDE IMBALANCE (dB)
03570-0-034
Figure 34. I and Q Inputs Quadrature Phase Imbalance Distribution
(FLO = 2140 MHz, FBB = 1 MHz, I and Q Inputs Driven in
Quadrature at 1.2 V p-p Differential, TA = 25°C)
0
5
10
15
20
25
30
35
P
E
RCE
NTAGE
0.50
0.75
0
0.25
1.00
1.25
1.50
PHASE (I-Q) IMBALANCE (Degrees)
03570-0-035
Figure 35. I and Q Inputs Amplitude Imbalance Distribution
(FLO = 2140 MHz, FBB = 1 MHz, I and Q Inputs Driven in
Quadrature at 1.2 V p-p Differential, TA = 25°C)
0
5
10
15
20
25
30
35
P
E
RCE
NTAGE
OP1dB (dBm)
5.0
4.5
5.5
6.0
6.5
03570-0-036
Figure 36. OP1dB Distribution. (FLO = 2140 MHz, FBB = 1 MHz, I and Q Inputs
Driven in Quadrature, TA = 25°C)
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|---|---|
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