SSM-208 [ETC]
Interface IC ; 接口IC\n
| 型号： | SSM-208 |
| 厂家： | 
ETC |
| 描述： | Interface IC
|
| 文件： | 总2页 (文件大小：96K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Product Description
SSW-208
Stanford Microdevices’ SSW-208 is a high perfomance
Gallium Arsenide Field Effect Transistor MMIC switch
housed in a low-cost surface-mountable small outline
plastic package.
DC-4 GHz, High Isolation
GaAs MMIC SPDT Switch
This single-pole, double-throw, non-reflective switch
consumes less than 50uA and operates at -5V and 0V for
control bias. Its high isolation and low insertion loss makes
it ideal for T/R switching in analog and digital wireless
communication systems.
The die is fabricated using 0.5 micron FET process with
gold metallization and silicon nitride passivation to achieve
excellent performance and reliability.
Product Features
• High Isolation: 22dB at 2GHz
• Low DC Power Consumption
Isolation vs. Frequency
VControl = -5 V
-20
-30
-40
• Low Insertion Loss: 0.9dB at 2GHz
• Broad Performance - True DC Operation
• Low Cost Small Outline Plastic Package
dB
-50
-60
-70
Applications
• Analog/Digital Wireless System
• Spread Spectrum
• GPS
DC
1
2
3
4
GHz
Electrical Specifications at Ta = 25C
S y m b o l
P a ra m e te rs : Te s t C o n d itio n s
U n its
M in .
Ty p .
M a x .
Ins
Insertion Lo ss
f = 0.05-1 .0G H z
f = 1.00-2 .0G H z
f = 2.00-4 .0G H z
dB
dB
dB
0.8
0.9
1.4
1.3
1.4
Isol
Isolation
f = 0.05-1 .0G H z
f = 1.00-2 .0G H z
f = 2.00-4 .0G H z
dB
dB
dB
25
20
40
30
25
V S W R on
Input & O utp ut V S W R
(on or low lo ss state)
f = 0.05-1 .0G H z
f = 1.00-2 .0G H z
f = 2.00-4 .0G H z
1.15
1.25
1.50
P 1dB
TO IP
O utput P ow er at 1dB C om pression
f = 0.5-4.0 G H z
V = -5V
V = -8V
dB m
dB m
+26
+29
T hird O rder Intercep t P oint
f = 0.5-4.0 G H z
V = -5V
V = -8V
dB m
dB m
+45
+48
Id
D evice C urrent
uA
40
3
Isw
S w itching S peed
nsec
50% contro l to 10% /90% R F
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions.
Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not authorize or warrant any Stanford
Microdevices product for use in life-support devices and/or systems.
Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086
Phone: (800) SMI-MMIC
http://www.stanfordmicro.com
This Material Copyrighted by Its Respective Manufacturer
7-13
SSW-208 DC-6 GHz Absorptive SPDT GaAs Switch
Absolute Maximum Ratings
Truth Table
R F I n p u t P o w e r
C o n t r o l Vo l t a g e
2 W M a x > 5 0 0 M H z
- 1 0 V
V 1
V 2
J 1 - J 2
J 1 - J 3
0
- 5
L o w L o ss
I so l a t io n
O p e r a t i n g
- 4 5 C t o + 8 5 C
Te m p e r a t u r e
- 5
0
I so l a t io n
L o w L o ss
S t o r a g e
Te m p e r a t u r e
- 6 5 C t o + 1 5 0 C
2 0 d e g C /W
T h e r m a l R e s i s t a n c e
Pin Out
Switch Schematic
P i n F u n c t i o n
1
2
3
4
5
6
7
8
G N D
J 1
G N D
G N D
J 2
V 1
V 2
J 3
Insertion Loss vs. Frequency
VControl = -5 V
On Port Input/Output VSWR vs. Frequency
VControl = -5 V
0.0
-0.5
-1.0
-1.5
-2.0
2.0
1.8
1.6
1.4
1.2
1.0
dB
DC
1
2
3
4
DC
1
2
3
4
GHz
GHz
522 Almanor Ave., Sunnyvale, CA 94086
Phone: (800) SMI-MMIC
http://www.stanfordmicro.com
This Material Copyrighted by Its Respective Manufacturer
7-14
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