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參數(shù)資料
| 型號(hào)： | AA280-25 |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC-2 GHz |
| 中文描述： | 砷化鎵集成電路5位數(shù)字衰減0.5分貝LSB的直流2吉赫 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大小： | 467K |
| 代理商： | AA280-25 |
Alpha Industries, Inc.
[781] 935-5150
Fax
[617] 824-4579
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 11/00A
1
GaAs IC 5 Bit Digital Attenuator
0.5 dB LSB DC–2 GHz
Features
I
Attenuation 0.5 dB Steps to 15.5 dB
with High Accuracy
I
Low DC Power Consumption
I
Low Cost SOIC-16 Plastic Package
SOIC-16
AA280-25
(Previously AD280-25)*
0.158 (4.00 mm)
0.150 (3.80 mm)
0.068
(1.73 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45
CHAMFER
8 MAX.
0.020 (0.51 mm)
0.013 (0.33 mm)
0.050
(1.27 mm) BSC
PIN 16
PIN 1
PIN 1
INDICATOR
0.394 (10.00 mm)
0.386 (9.80 mm)
0.010 (0.25 mm)
0.004 (0.10 mm)
0.0098 (0.25 mm)
0.0075 (0.19 mm)
Description
The AD280-25 is a 5 bit, GaAs IC FET digital attenuator
in a low cost SOIC-16 package. This attenuator has an
LSB of 0.5 dB and a total attenuation of 15.5 dB.
The AD280-25 is particularly suited where high
attenuation accuracy, low insertion loss and low
intermodulation products are required.Typical applications
include cellular radio, wireless data, wireless local loop and
other gain level control circuits.
Parameter
1
Condition
Frequency
2
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
Min.
Typ.
1.1
1.4
1.7
15.5
Max.
1.3
1.7
2.0
Unit
dB
dB
dB
dB
Insertion Loss
3
Attenuation Range
Attenuation Accuracy
3
DC–1.0 GHz
± (0.2 + 3% of
Attenuation Setting in dB)
± (0.4 + 3% of
Attenuation Setting in dB)
1.4:1
15
25
25
+24
+29
+17
+22
+44
+50
+35
+40
dB
DC–2.0 GHz
dB
VSWR (I/O
)4
Switching Characteristics
5
DC–2.0 GHz
1.8:1
Rise, Fall (10/90% or 90%/10% RF)
On, Off (50% CTL to 90%/10% RF)
Video Feedthru
nS
nS
mV
dBm
dBm
dBm
dBm
Input Power for 1 dB Compression
0.5–2.0 GHz
0.05 GHz
0.5–2.0 GHz
0.05 GHz
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
Control Voltages
V
Low
= 0 to 0.2 V @ 20
μ
A Max.
V
High
= -5 V @ 300
μ
A Max.
Electrical Specifications at -40°C to +85°C (0, -5 V)
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Attenuation referenced to insertion loss.
4. Input/Output
5.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
*Due to conflict with another company’s product numbering system, Alpha’s attenuator products starting with the letters “AD” are being changed to “AA”.
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相關(guān)代理商/技術(shù)參數(shù) |
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