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參數資料
| 型號： | AD8350AR20-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | Low Distortion 1.0 GHz Differential Amplifier |
| 中文描述： | 1000 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 9/11頁 |
| 文件大小： | 179K |
| 代理商： | AD8350AR20-REEL7 |
REV. 0
AD8350
–9–
Figure 30 shows how the AD8350 input can be matched for a
single-ended drive. T he unused input is ac-coupled to ground
using a low impedance (i.e., high value) capacitance. T he S-
Parameters for this configuration are shown in T ables III and
IV. T hese values assume a single-ended source impedance of
50
and a differential load impedance of 50
. As in the case
of a differential drive, a simultaneous conjugate match must be
performed to correctly match both input and output.
8
7
6
5
1
2
3
4
AD8350
+
–
ENBL
(+5V)
+V
S
(+5V TO +10V)
C2
0.1
m
F
C2
C2
0.001
m
F
C1
L2
L1
Figure 30. Matching Circuit for Single-Ended Drive
E valuation Board
Figure 31 shows the schematic of the AD8350 evaluation board
as it is shipped from the factory. T he board is configured to
allow easy evaluation using single-ended 50
test equipment.
T he input and output transformers have a 4-to-1 impedance
ratio and transform the AD8350’s 200
input and output
impedances to 50
. In this mode, 0
resistors (R1 and R4)
are required.
T o allow compensation for the insertion loss of the transform-
ers, a calibration path is provided at T est In and T est Out. T his
consists of two transformers connected back to back.
T o drive and load the board differentially, transformers T 1 and
T 2 should be removed and replaced with four 0
resistors
(0805 size); Resistors R1 and R4 (0
) should also be removed.
T his yields a circuit with a broadband input and output imped-
ance of 200
. T o match to impedances other than this, match-
ing components (0805 size) can be placed on pads C1, C2, C3,
C4, L1 and L2.
8
7
6
5
1
2
3
4
AD8350
+
–
+V
S
C5
0.1
m
F
L1
(OPEN)
L2
(OPEN)
C3
0.001
m
F
C2
0.001
m
F
C4
0.001
m
F
+V
S
1
2
3
A
B
SW1
6
1
R2
0
V
C1
0.001
m
F
R1
0
V
T1: TC4-1W
(MINI CIRCUITS)
IN–
IN+
R3
0
V
6
T2: TC4-1W
(MINI CIRCUITS)
R4
0
V
OUT–
OUT+
1
6
T4: TC4-1W
(MINI CIRCUITS)
TEST OUT
6
1
T3: TC4-1W
(MINI CIRCUITS)
TEST IN
1
Figure 31. AD8350 Evaluation Board
相關PDF資料 |
PDF描述 |
|---|---|
| AD8351 | Low Distortion Differential RF/IF Amplifier |
| AD8351-EVAL | Low Distortion Differential RF/IF Amplifier |
| AD8351ARM | Low Distortion Differential RF/IF Amplifier |
| AD8351ARM-R2 | Low Distortion Differential RF/IF Amplifier |
| AD8351ARM-REEL7 | Low Distortion Differential RF/IF Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8350AR20Z-REEL7 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin SOIC N T/R |
| AD8350ARM15 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin MSOP Tube 制造商:Rochester Electronics LLC 功能描述:MINSO G=15DB LO DISTORT'N 1.2GHZ DIFFAMP - Bulk |
| AD8350ARM15-REEL | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP SGL 11V 8MSOP - Tape and Reel |
| AD8350ARM15-REEL7 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin MSOP T/R |
| AD8350ARM20 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin MSOP Tube 制造商:Rochester Electronics LLC 功能描述:MINSO G=20DB LO DISTORT'N 1.2GHZ DIFFAMP - Bulk 制造商:Analog Devices 功能描述:IC AMP DIFFERENTIAL |
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