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参数资料
| 型号： | AS125-73 |
| 元件分类： | 开关 |
| 英文描述： | 0 MHz - 2500 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 1.1 dB INSERTION LOSS |
| 封装： | ULTRA MINIATURE, PLASTIC, SOT-6, 6 PIN |
| 文件页数： | 1/2页 |
| 文件大小： | 23K |
| 代理商： | AS125-73 |
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 3/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics5
Rise, Fall (10/90% or 90/10% RF)
10
ns
On, Off (50% CTL to 90/10% RF)
20
ns
Video Feedthru
25
mV
Input Power for 1 dB Compression
0/+3 V
0.5–2.0 GHz
+21
dBm
0/+5 V
0.5–2.0 GHz
+28
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +13 dBm
0.5–2.0 GHz
+45
dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 A Max.
VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max.
VS = VHigh ± 0.2 V
GaAs IC SPDT Reflective Switch
Positive Control DC–2.5 GHz
Features
s Low Insertion Loss (0.4 dB @ 0.9 GHz)
s Complementary Positive Control Voltages
(0/+3 V to 0/+5 V)
s Positive Voltage Supply (+3 to +5 V)
s Low DC Power Consumption
s Ultra Miniature 6 Lead SOT-6 Package
SOT-6
AS125-73
Description
The AS125-73 is a GaAs IC FET SPDT reflective switch
in the SOT-6 plastic package for commercial applications.
For positive operation it requires a fixed positive bias (VS)
on the J1 line and DC blocks on all RF lines. This switch
can also be operated with complementary negative
voltage (no VS or blocking caps required). The AS125-73
provides a low cost solution for IF switching requirements
in dual band and dual mode subscribers.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.5 GHz
0.4
0.5
dB
DC–1.0 GHz
0.45
0.6
dB
DC–2.0 GHz
0.6
0.8
dB
DC–2.5 GHz
0.9
1.1
dB
Isolation
DC–0.5 GHz
22
25
dB
DC–1.0 GHz
17
20
dB
DC–2.0 GHz
11
14
dB
DC–2.5 GHz
10
13
dB
VSWR4
DC–1.0 GHz
1.2:1
1.3:1
DC–2.5 GHz
1.5:1
1.7:1
Electrical Specifications at 25°C (0, +3 V)
Operating Characteristics at 25°C (0, +3 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.
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
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