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參數資料
| 型號： | AT-280TR |
| 英文描述： | Digital Attenuator, 15.5 dB, 5-Bit DC - 2 GHz |
| 中文描述： | 數字衰減器，15.5分貝，5位DC - 2 GHz的 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 96K |
| 代理商： | AT-280TR |
V 2.00
Ordering Information
* If specific reel size is required, consult factory for part number
assignment.
Digital Attenuator, 15.5 dB, 5-Bit
DC - 2 GHz
AT-280
Parameter
Test Conditions2
Unit
Min.
Typ.
Max
Reference
DC – 0.1 GHz
dB
1.1
1.3
Insertion
DC – 0.5 GHz
dB
1.3
1.5
Loss
DC – 1.0 GHz
dB
1.5
1.8
DC – 2.0 GHz
dB
1.8
2.0
Attenuation Accuracy2
DC – 1.0 GHz
± (0.20 dB + 3% of Atten. Setting in dB) dB
DC – 2.0 GHz
± (0.30 dB + 3% of Atten. Setting in dB) dB
VSWR
(any state)
1.5:1
1.8:1
Trise, Tfall
10% to 90% RF, 90% to 10% RF
nS
12
Ton, Toff
50% Control to 90% RF, 50% Control to 10% RF
nS
18
Transients
In Band
mV
30
One dB
Input Power
0.05 GHz
dBm
22
Compression
Input Power
0.5 – 2.0 GHz
dBm
27
IP2
Measured Relative
0.05 GHz
dBm
53
to Input Power
0.5 – 2.0 GHz
dBm
68
(for two-tone input power up to +5 dBm)
IP3
Measured Relative
0.05 GHz
dBm
40
to Input Power
0.5 – 2.0 GHz
dBm
45
(for two-tone input power up to +5 dBm)
SO-16
1. All measurements at 1 GHz in a 50
system, unless otherwise specified.
2. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
Features
Attenuation: 0.5-dB Steps to 15.5 dB
Temperature Stability: ± 0.15 dB from -40°C to
+85°C Typical
Ultra Low DC Power Consumption
Low Intermodulation Products, IP3: 45 dBm
Tape and Reel Packaging Available
Description
M/A-COM's AT-280 is a 5-bit, 0.5 dB-step GaAs MMIC
digital attenuator in a low cost SOIC 16-lead surface mount
plastic package. The AT-280 is ideally suited for use where
high accuracy, fast switching, very low power consumption
and low intermodulation products are required at a low
cost. Typical applications include radio and cellular
equipment, wireless LANS, GPS equipment and other
Gain/Level Control circuits.
The AT-280 is fabricated with a monolithic GaAs MMIC
using a mature 1-micron process. The process features full
chip passivation for increased performance and reliability.
Part Number
Package
AT-280 PIN
SOIC 16-Lead
AT-280TR
Forward Tape & Reel*
AT-280RTR
Reverse Tape & Reel*
q
Electrical Specifications, TA = 25°C
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相關代理商/技術參數 |
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