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参数资料
| 型号： | AV850M2-00 |
| 元件分类： | 衰减器 |
| 英文描述： | 10000 MHz - 43500 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3 dB INSERTION LOSS-MAX |
| 封装： | CHIP |
| 文件页数： | 2/2页 |
| 文件大小： | 79K |
| 代理商： | AV850M2-00 |
10–43.5 GHz GaAs MMIC Voltage Variable Attenuator
AV850M2-00
2
Alpha Industries, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@alphaind.com www.alphaind.com
Specifications subject to change without notice. 4/02A
Example Chip-to-Chip Variation for Any
Single-Frequency of Operation
(Low-Frequency Band)
Control Voltage VC2 (V)
Atten
uation
(dB)
-40
-35
-30
-25
-20
-15
-10
-5
0
-3.25
-0.25
Knee
Voltage 1
Knee
Voltage 2
Knee
Voltage 3
VC1 = -1V
*
Example Chip 3
Example Chip 2
Example Chip 1
Attenuation vs. 1.0 dB Compression
Attenuation (dB)
10
8
6
4
2
0
-2
-20 -18 -16 -14 -12 -10 -8
-6
-4
-2
0
12
14
16
18
20
22
24
26
Input
P
o
w
er
at
1
dB
28
Attenuation vs. Control Voltage
Control Voltage VC2 (V)
-3.0
-2.6
-2.2
-1.8
-1.4
-0.6
-0.2
-1.0
0
Atten
uation
(dB)
-45
-35
-40
-30
-25
-20
-15
-10
-5
0
20 GHz
30 GHz
40 GHz
50 GHz
VC1 = 0 V
Typical Performance Data
RF
VC2
VC1
RF
Bias Arrangement
VC2
VC1
RF OUT
RF IN
Circuit Schematic
VC1 controls the series devices, adjust for optimum VSWR.
VC2 controls the shunt devices, adjust to set attenuation.
Recommended Control Voltages:
For frequency 18–35 GHz: VC1 = -1 V, VC2 = -0.25 to -3.25 V.
For frequency 35–43.5 GHz: VC1 = 0 V, VC2 = -0.8 to -3.25 V.
* Asterisk in graph indicates guaranteed attenuation limits from the Electrical
Specification table (knee voltage can vary from -3.25 V to approximately -1.0 V).
Attenuation vs. Frequency
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
Frequency (GHz)
Attenuation
(dB)
VC1 VC2
-1.5 -5.0
-1.5 -2.5
-1.5 -2.0
-1.5 -1.5
-1.5 -1.0
-1.5 -0.5
-1.5
0
-5.0
0
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