V
參數資料
型號: AD8331ARQ
廠商: Analog Devices Inc
文件頁數: 8/56頁
文件大?。?/td> 0K
描述: IC VGA SINGLE W/PREAMP 20-QSOP
產品變化通告: Product Discontinuance 27/Oct/2011
設計資源: Interfacing the High Frequency AD8331 to AD9215 (CN0096)
標準包裝: 56
系列: X-AMP®
類型: 可變增益放大器
應用: 信號處理
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 20-QSOP
包裝: 管件
配用: AD8331-EVALZ-ND - BOARD EVAL FOR AD8331
AD8331/AD8332/AD8334
Rev. G | Page 16 of 56
35
30
25
20
15
10
5
0
0.1
0.20.30.40.50.60.70.80.91.01.1
NO
IS
E
F
IG
UR
E
(
d
B)
VGAIN (V)
03
19
9-
0
31
f = 10MHz, RS = 50
PREAMP LIMITED
HILO = LO, RIN = 50
HILO = LO, RIZ =
HILO = HI, RIN = 50
HILO = HI, RIz =
Figure 31. Noise Figure vs. VGAIN
30
25
20
15
10
5
0
10
15
20
25
30
35
40
45
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55
60
NO
IS
E
F
IG
U
RE
(
d
B)
GAIN (dB)
03
19
9-
03
2
f = 10MHz, RS = 50
HILO = LO, RIN = 50
HILO = LO, RFB =
HILO = HI, RIN = 50
HILO = HI, RFB =
Figure 32. Noise Figure vs. Gain
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
1M
10M
100M
H
A
R
M
ON
IC
D
IS
T
OR
TION
(d
B
c)
FREQUENCY (Hz)
03
19
9-
1
13
G = 30dB
VOUT = 1Vp-p
HILO = HI, HD2
HILO = HI, HD3
HILO = LO, HD2
HILO = LO, HD3
Figure 33. Harmonic Distortion vs. Frequency
–30
–40
–50
–60
–70
–80
–90
0
2000
1800
1600
1400
1200
1000
800
600
400
200
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
RLOAD ()
03
19
9-
0
34
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
f = 10MHz,
VOUT = 1V p-p
Figure 34. Harmonic Distortion vs. RLOAD
–40
–50
–60
–70
–80
–90
0
10
203040
H
A
R
M
ON
IC
D
IS
T
OR
TIO
N
(
d
B
c)
CLOAD (pF)
03
19
9-
0
35
50
f = 10MHz,
VOUT = 1V p-p
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
Figure 35. Harmonic Distortion vs. CLOAD
–20
–40
–60
–80
–100
01
234
H
A
R
M
ON
IC
D
IS
T
OR
TIO
N
(
d
B
c)
VOUT (V p-p)
03
19
9-
0
36
f = 10MHz,
GAIN = 30dB
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
Figure 36. Harmonic Distortion vs. Differential Output Voltage
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