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参数资料
| 型号： | ITTS250AB |
| 元件分类： | 开关 |
| 英文描述： | 50 MHz - 2500 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 1/3页 |
| 文件大小： | 35K |
| 代理商： | ITTS250AB |
SPDT Non-Reflective Switch – High Isolation
ITTS250AB
Preliminary
Specifications Subject to Change Without Notice
902512 A, July 1999
GaAsTEK
5310 Valley Park Drive
Roanoke, VA 24019 USA
www.gaastek.com
Tel:
1-540-563-3949
1-888-563-3949
(USA)
Fax: 1-540-563-8616
1
FEATURES
-3V CONTROL VOLTAGE
SOIC-8 package
Non-Reflective
High Isolation (37dB @ 1 GHz)
Usable to 4 GHz
Low DC Power Consumption
Positive Control when “floated” with capacitors
Self-Aligned MSAG
MESFET Process
DESCRIPTION
TRUTH TABLE (NEGATIVE CONTROL)
V1
V2
J1-J2
J1-J3
-3
0
Isolation
Insertion
Loss
0
-3
Insertion
Loss
Isolation
The ITTS250AB is a low loss SPDT non-reflective
switch in a plastic SOIC-8 package for commercial
applications. The switch operates with –3 or -5V
control, but will operate with +3 or +5V when device
is “floated.”
ELECTRICAL SPECIFICATIONS AT 25
°°C (0, -3 V)
Parameter
Test Conditions
1
Min
Typ
Max
Unit
Insertion Loss
DC
2-0.5 GHz
DC-1.0 GHz
DC-2.0 GHz
DC-2.5 GHz
0.7
0.85
1.2
1.5
dB
Isolation
DC-0.5 GHz
DC-1.0 GHz
DC-2.0 GHz
DC-2.5 GHz
44
38
30
27
dB
VSWR
3
DC-2.0 GHz
DC-2.5 GHz
1.1:1
1.
All measurements made in a 50
system, unless otherwise specified.
2.
DC = 50 MHz
3.
Insertion loss state.
4.
Video feedthru measured with 1 ns rise
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