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| 型號(hào)： | AS239-12 |
| 英文描述： | SPDT RF Reflective Switch |
| 中文描述： | 擲射頻反射開關(guān) |
| 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
Specifications subject to change without notice. 3/99A
1
Parameter
Condition
Frequency
Min.
Typ.
8
30
25
+27
+21
+46
+40
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
0.5–2.0 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 μA Max.
V
High
= -5 V @ 20 μA to -7 V @ 200 μA Max.
GaAs IC SPDT Reflective Switch DC–2.5 GHz
Features
I
Low Insertion Loss (0.4 dB @ 1 GHz)
I
High Isolation (35 dB @ 1 GHz)
I
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)
0.010 (0.25 mm)
0.004 (0.10 mm)
0.068
(1.73 mm) MAX.
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.
Parameter
1
Frequency
2
DC–0.1 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.5 GHz
DC–0.1 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.5 GHz
DC–2.0 GHz
DC–2.5 GHz
Min.
Typ.
0.3
0.3
0.4
0.5
0.7
56
45
35
24
20
Max.
0.6
0.6
0.7
0.8
0.9
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Insertion Loss
3
Isolation
52
40
30
22
17
VSWR
4
1.2:1
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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