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參數資料
| 型號： | AA230-24 |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | GaAs IC 3 Bit Digital Attenuator 4 dB LSB DC-2 GHz |
| 中文描述： | 砷化鎵集成電路3位數字衰減器四分貝LSB的直流2吉赫 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 38K |
| 代理商： | AA230-24 |
Alpha Industries, Inc.
[781] 935-5150
Fax
[617] 824-4579
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 10/99A
1
Parameter
Condition
Frequency
Min.
Typ.
15
25
25
+28
+22
+48
+38
Max.
Unit
ns
ns
mV
dBm
dBm
dBm
dBm
Switching Characteristics
5
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Input Power for 1 dB Compression
0.50–2.0 GHz
0.05 GHz
0.50–2.0 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 μA Max.
V
High
= -5 V @ 50 μA Typ. to -8 V @ 200 μA Max.
GaAs IC 3 Bit Digital Attenuator
4 dB LSB DC–2 GHz
Features
I
Attenuation in 4 dB steps to 28 dB with
High Accuracy
I
Low Cost SOIC-14 Plastic Package
I
Low DC Power Consumption
AA230-24
(Previously AD230-24)*
PIN 14
0.050
(1.27 mm) BSC
PIN 1
PIN 1
INDICATOR
0.158 (4.01 mm)
0.150 (3.81 mm)
0.050 (1.27 mm)
0.016 (0.40 mm)
0.244
(6.20 mm)
0.228
(5.80 mm)
0.020 (0.51 mm)
0.013 (0.33 mm)
0.344 (8.75 mm)
0.337 (8.55 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45
CHAMFER
8 MAX.
0.0098 (0.25 mm)
0.0075 (0.19 mm)
Description
The AD230-24 is an IC FET Digital Attenuator consisting
of three monolithic attenuators with LSB of 4 dB and a total
attenuation of 28 dB with all attenuators connected.
Attenuators are switched with -5 and 0 V.
The AD230-24 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.
Operating Characteristics at 25°C (0, -5 V)
Parameter
1
Frequency
2
DC–0.1 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
Min.
Typ.
1.1
1.2
1.3
1.9
28
Max.
1.4
1.5
1.7
2.3
Unit
dB
dB
dB
dB
dB
dB
Insertion Loss
3
Attenuation Range
Attenuation Accuracy
4
DC–1.0 GHz
± (0.2 + 3% of
Attenuation Setting in dB)
± (0.4 + 5% of
Attenuation Setting in dB)
1.3:1
DC–2.0 GHz
dB
VSWR (I/O)
DC–2.0 GHz
1.5:1
Electrical Specifications at 25°C (0, -5 V)
SOIC-14
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Attenuation referenced to insertion loss.
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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