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參數資料
| 型號： | AS128-73 |
| 元件分類： | 開關 |
| 英文描述： | 0.3 MHz - 2500 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.2 dB INSERTION LOSS |
| 封裝： | PLASTIC, SOT, 6 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 20K |
| 代理商： | AS128-73 |
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 5/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics5
Rise, Fall (10/90% or 90/10% RF)
60
ns
On, Off (50% CTL to 90/10% RF)
100
ns
Video Feedthru
50
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
+48
dBm
Control Voltages
VLow = -10.0 V ≤ VLow ≤ 0 V, 500 A, Max.
VHigh = 0 V ≤ VHigh ≤ +10.0 V, 500 A, Max.
Differential = 5.0 V
≤ (V
High – VLow) < 10.0 V
GaAs IC 2 Watt High Linearity
SPDT Switch DC–2 GHz
Features
s High Linearity (48 dBm IP3 @ 0.9 GHz)
s Low Insertion Loss (0.35 dB @ 0.9 GHz)
s Antenna Changeover and T/R Cellular
Switch
s Ultra Miniature SOT-6 Lead Package
SOT-6
AS128-73
Description
The AS128-73 is a FET IC high power SPDT switch in a
SOT-6 plastic package. This switch is designed for use
where extremely high linearity, low insertion loss and
ultraminiature package size are required. It can be
controlled with positive, negative or a combination of both
voltages. Some standard implementations include
antenna changeover, T/R and diversity switching over
2 W. The AS128-73 switch can be used in many analog
and digital wireless communication systems including
cellular applications.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.5 GHz
0.3
0.4
dB
DC–1.0 GHz
0.4
0.6
dB
DC–2.0 GHz
1.0
1.2
dB
Isolation
DC–0.5 GHz
20
23
dB
DC–1.0 GHz
15
17
dB
DC–2.0 GHz
8
10
dB
VSWR4
DC–1.0 GHz
1.4:1
1.5:1
DC–2.0 GHz
1.8:1
2.0:1
Electrical Specifications at 25°C (0, -5 V)
0.074
(1.90 mm REF.)
0.071 (1.80 mm)
0.052 (1.30 mm)
0.037 (0.95 mm) REF.
0.122 (3.10 mm)
0.106 (2.70 mm)
0.006
(0.15 mm)
0.000
(0.00 mm)
0.057 (1.45 mm)
0.035 (0.90 mm)
0.020 (0.51 mm)
0.014 (0.350 mm)
0.126 (3.20 mm)
0.087 (2.20 mm)
PIN 6
PIN 1
INDICATOR
0.022 (0.61 mm)
0.004 (0.10 mm)
0.014
(0.26 mm)
0.004
(0.10 mm)
0.012
(0.30 mm)
TYP.
5.0 ± 1
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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