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參數資料
| 型號： | AS144-12 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 開關 |
| 英文描述： | 0.3 MHz - 2000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.8 dB INSERTION LOSS |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 421K |
| 代理商： | AS144-12 |
Skyworks Solutions, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@skyworksinc.com www.skyworksinc.com
1
Specifications subject to change without notice. 3/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics5
Rise, Fall (10/90% or 90/10% RF)
30
ns
On, Off (50% CTL to 90/10% RF)
35
ns
Video Feedthru
12
mV
Input Power for 1 dB Compression
0.9 GHz
+33
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +10 dBm
0.9 GHz
+61
dBm
Control Voltages
VLow = 0 to -0.2 @ 20 A Max.
VHigh = -5 V @ 50 A to -8 V @ 200 A Max.
GaAs IC High Power
SPDT Switch DC–2 GHz
Features
■ High Linearity (+61 dBm IP3 @ 0.9 GHz)
■ Low Insertion Loss (0.4 dB @ 0.9 GHz)
■ Low DC Power Consumption
SOIC-8
AS144-12
Description
The AS144-12 is a GaAs IC FET SPDT switch in a
SOIC-8 plastic package. This switch has been designed
for use where extremely high linearity and low insertion
loss are required. Some standard implementations
include antenna changeover, T/R and diversity switching
over 2 watts. The AS144-12 switch can be used in many
analog and digital wireless communications systems
including cellular, GSM and DECT applications.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.5 GHz
0.35
0.5
dB
DC–1.0 GHz
0.40
0.6
dB
DC–2.0 GHz
0.60
0.8
dB
Isolation
DC–0.5 GHz
33
40
dB
DC–1.0 GHz
25
30
dB
DC–2.0 GHz
17
22
dB
VSWR4
DC–2.0 GHz
1.3:1
1.4:1
Electrical Specifications at 25°C (0, -5 V)
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45 CHAMFER
PIN 1
0.197 (5.00 mm)
0.189 (4.80 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
8
MAX.
0.020 (0.51 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.050 (1.27 mm) BSC
PIN 8
PIN 1
INDICATOR
Operating Characteristics at 25°C (0, -5 V)
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. Insertion loss state.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
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