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參數(shù)資料
| 型號： | AS239-12 |
| 元件分類： | 開關(guān) |
| 英文描述： | 0 MHz - 2500 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.9 dB INSERTION LOSS |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 24K |
| 代理商： | AS239-12 |
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.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)
8
ns
On, Off (50% CTL to 90/10% RF)
30
ns
Video Feedthru
25
mV
Input Power for 1 dB Compression
0.5–2.0 GHz
+27
dBm
0.05 GHz
+21
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
0.5–2.0 GHz
+46
dBm
0.05 GHz
+40
dBm
Control Voltages
VLow = 0 to -0.2 V @ 20 A Max.
VHigh = -5 V @ 20 A to -7 V @ 200 A Max.
GaAs IC SPDT Reflective Switch DC–2.5 GHz
Features
s Low Insertion Loss (0.4 dB @ 1 GHz)
s High Isolation (35 dB @ 1 GHz)
s General Purpose Switching
SOIC-8
AS239-12
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
Description
The AS239-12 is a low cost IC FET SPDT reflective switch
in a plastic SOIC-8 package for commercial low cost, low
power applications. The switch operates with -5 V, 0 V or
operates with +5 V, 0 V when device is “floated” as shown
on following page. This general purpose SPDT switch is
used in many commercial telecommunication applications.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.1 GHz
0.3
0.6
dB
DC–0.5 GHz
0.3
0.6
dB
DC–1.0 GHz
0.4
0.7
dB
DC–2.0 GHz
0.5
0.8
dB
DC–2.5 GHz
0.7
0.9
dB
Isolation
DC–0.1 GHz
52
56
dB
DC–0.5 GHz
40
45
dB
DC–1.0 GHz
30
35
dB
DC–2.0 GHz
22
24
dB
DC–2.5 GHz
17
20
dB
VSWR4
DC–2.0 GHz
1.2:1
DC–2.5 GHz
1.5:1
Electrical Specifications at 25°C (0, -5 V)
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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