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參數資料
| 型號： | AD8350AR20-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | CABLE ASSEMBLY; LEAD-FREE SOLDER; N MALE TO N FEMALE BULKHEAD; 50 OHM, RG188A/U COAX; |
| 中文描述： | 1000 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 8/11頁 |
| 文件大小： | 179K |
| 代理商： | AD8350AR20-REEL |
REV. 0
AD8350
–8–
APPLIC AT IONS
Using the AD8350
Figure 27 shows the basic connections for operating the AD8350.
A single supply in the range +5 V to +10 V is required. T he
power supply pin should be decoupled using a 0.1
μ
F capacitor.
T he ENBL pin is tied to the positive supply or to +5 V (when
V
CC
= +10 V) for normal operation and should be pulled to
ground to put the device in sleep mode. Both the inputs and the
outputs have dc bias levels at midsupply and should be ac-coupled.
Also shown, in Figure 27, are the impedance balancing require-
ments, either resistive or reactive, of the input and output. With
an input and output impedance of 200
, the AD8350 should
be driven by a 200
source and loaded by a 200
impedance.
A reactive match can also be implemented.
Figure 28 shows how the AD8350 can be driven by a single-
ended source. T he unused input should be ac-coupled to
ground. When driven single-ended, there will be a slight imbal-
ance in the differential output voltages. T his will cause an in-
crease in the second order harmonic distortion (at 50 MHz,
with V
CC
= +10 V and V
OUT
= 1 V p-p, –59 dBc was measured
for the second harmonic on AD8350-15).
8
7
6
5
1
2
3
4
AD8350
+
–
ENBL (+5V)
+V
S
(+5V TO +10V)
C5
0.1
m
F
C4
0.001
m
F
C3
0.001
m
F
LOAD
Z = 200
V
C2
0.001
m
F
C1
0.001
m
F
SOURCE
Z = 100
V
Z = 100
V
Figure 27. Basic Connections for Differential Drive
8
7
6
5
1
2
3
4
AD8350
+
–
ENBL (+5V)
+V
S
(+5V TO +10V)
C5
0.1
m
F
C4
0.001
m
F
C3
0.001
m
F
LOAD
Z = 200
V
C2
0.001
m
F
SOURCE
Z = 200
V
C1
0.001
m
F
Figure 28. Basic Connections for Single-Ended Drive
Reactive Matching
In practical applications, the AD8350 will most likely be matched
using reactive matching components as shown in Figure 29.
Matching components can be calculated using a Smith Chart
and the AD8350’s S-Parameters (see T ables I and II) along
with those of the devices that are driving and loading it. T he S-
Parameters in T ables I and II assume a differential source and
load impedance of 50
. Because the load impedance on the
output of the AD8350 affects the input impedance, a simulta-
neous 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
C1
C1
L1
L2
Figure 29. Reactively Matching the Input and Output
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8350AR20-REEL7 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 11V 8-Pin SOIC N T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP SGL 11V 8SOIC N - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:SOIC G=20DB LO DISTORT'N 1.2GHZ DIFF AMP - Tape and Reel |
| 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 |
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