參數(shù)資料
型號: AD8332
廠商: Analog Devices, Inc.
英文描述: Ultralow Noise VGAs with Preamplifier and Programmable RIN
中文描述: 超低噪聲的VGA前置放大器和可編程與房地產(chǎn)經(jīng)紀人
文件頁數(shù): 12/32頁
文件大?。?/td> 482K
代理商: AD8332
AD8331/AD8332
Rev. C | Page 12 of 32
D
0
–100
–80
–60
–40
–20
0
–120
V
OUT
= 1V p-p
0
V
GAIN
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
HILO = LO,
HD2
HILO = HI,
HD2
HILO = LO,
HD3
HILO = HI,
HD3
INPUT RANGE
LIMITED WHEN
HILO = LO
Figure 33. Harmonic Distortion vs. V
GAIN
, f = 1 MHz
–100
–80
–60
–40
–20
0
–120
INPUT RANGE
LIMITED WHEN
HILO = LO
HILO = HI,
HD2
HILO = HI,
HD3
HILO = LO,
HD2
HILO = LO,
HD3
0
V
GAIN
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
V
OUT
= 1V p-p
0
D
Figure 34. Harmonic Distortion vs. V
GAIN
, f = 10 MHz
0.4
0.2
I
0
0.3
0.1
–30
0.9
0.7
0.5
0.8
0.6
1.0
5
0
–5
–10
–15
–20
–25
10
V
GAIN
(V)
f = 10MHz
HILO = HI
HILO = LO
0
Figure 35. Input 1 dB Compression vs. V
GAIN
100M
FREQUENCY (Hz)
1M
I
10M
–10
–90
–80
–70
–60
–30
–50
–40
–20
0
V
= 1V p-p COMPOSITE (f
1
+ f
2
)
G = 30dB
0
Figure 36. IMD3 vs. Frequency
O
V
GAIN
(V)
15
20
25
30
0
5
10
0.1
0.4
0
0.3
0.2
1.0
0.9
0.8
0.7
0.6
0.5
40
35
HILO = HI,
1MHz
HILO = HI,
10MHz
HILO = LO,
10MHz
HILO = LO,
1MHz
V
OUT
= 1V p-p COMPOSITE (f
1
+ f
2
)
0
Figure 37. Output Third Order Intercept vs. V
GAIN
100
90
10
0
2mV
50mV
10ns
0
Figure 38. Small Signal Pulse Response, G = 30 dB,
Top: Input, Bottom: Output Voltage, HILO = HI or LO
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AD8332-EVAL Ultralow Noise VGAs with Preamplifier and Programmable RIN
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