SW-243 Datasheet PDF - Tyco Electronics

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SW-243
Tyco Electronics

Part Number SW-243
Description Reflective GaAs SP4T Switch
Page 3 Pages


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Reflective GaAs SP4T Switch
DC - 4 GHz
Features
Low Insertion Loss: 0.7 dB Typical
Fast Switching Speed: 4 nS Typical
Ultra Low DC Power Consumption
Small Package Size: 0.250” Square
Description
M/A-COM’s SW-243 GaAs MMIC SP4T switch is
packaged in a CR-4 surface mount ceramic style
package. The SW-243 is a reflective switch,
optimized for low insertion loss. The CR-4 package
is hermetically sealed, making these switches ideal
for space, military radios, or other environmentally
harsh applications.
Typical applications include synthesizer switching,
switch matrices and filter banks in systems such as
military radios, and space equipment.
The SW-243 is fabricated as a monolithic GaAs
MMIC using a 1.0 micron MESFET process.
Ordering Information
Part Number
SW-243
Package
Ceramic (CR-4)
Absolute Maximum Ratings 1,2
Parameter
Input Power
0.05 GHz
0.5 - 4.0 GHz
Control Voltage
Operating Temperature
Storage Temperature
Absolute Maximum
+26 dBm
+33 dBm
-8.5 V < Vc < +5 V
-55°C to +125°C
-65°C to +150°C
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
2. M/A-COM does not recommend sustained operation near
these survivability limits.
Functional Schematic
GND
RF
COM
GND
RF4
SW-243
V3
RF1 A4
A1 B4
B1 B3
B2 A3
Orientation
Tab
A2 RF2 GND RF3
Pin Configuration3
Pin No.
1
Function
RF Port 1
2 Control A1
3 Control B1
4 Control B2
5 Control A2
6 RF Port 2
7 Ground
8 RF Port 3
3. Bottom of case is RF ground.
Pin No.
9
10
11
12
13
14
15
16
Function
Control A3
Control B3
Control B4
Control A4
RF Port 4
Ground
RF Common
Ground
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.



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Reflective GaAs SP4T Switch
DC - 4 GHz
SW-243
V3
Electrical Specifications: TA = -55 to +85°C, Vc = 0 V / -5 V, Z0 = 50 4,5
Parameter
Test Conditions
Insertion Loss
Isolation
VSWR
Trise, Tfall 5
DC - 0.5 GHz
DC - 1 GHz
DC - 2 GHz
DC - 4 GHz
DC - 0.5 GHz
DC - 1 GHz
DC - 2 GHz
DC - 4 GHz
DC - 0.5 GHz
DC - 1 GHz
DC - 2 GHz
DC - 4 GHz
10% to 90% RF, 90% to 10% RF
Ton, Toff 5
50% control to 90% RF, 50% control to 10% RF
Transients 5
In-Band
Input P1dB
IP2
IP3
Control Current
0.5 - 4 GHz, 0 / -5 VDC
0.05 GHz, 0 / -5 VDC
0.5 - 4 GHz, 0 / -8 VDC
0.05 GHz, 0 / -8 VDC
For two-tone input power up to +13 dBm
0.5 - 4 GHz
0.05 GHz
For two-tone input power up to +13 dBm
0.5 - 4 GHz
0.05 GHz
Vc= 0 to 0.2 V
Vc= 5 V
Vc= 8 V
4. See MIL-STD-883 for environmental screening options.
5. Faster switching speed can be achieved with enhanced driver waveform.
Units
dB
dB
dB
dB
dB
dB
dB
dB
Ratio
Ratio
Ratio
Ratio
nS
nS
mV
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
µA
µA
µA
Min.
35
30
25
20
Typ.
2
4
25
26
20
32
23
68
55
46
37
10
Max.
0.8
0.9
1.0
1.3
1.25:1
1.25:1
1.5:1
1.9:1
5
100
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
2
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
Truth Table6,7
Control Input
Condition of Switch,
RF Common to each
RF Port
A1 B1 A2 B2 A3 B3 A4 B4 RF1 RF2 RF3 RF4
1 0 0 1 0 1 0 1 On Off Off Off
0 1 1 0 0 1 0 1 Off On Off Off
0 1 0 1 1 0 0 1 Off Off On Off
0 1 0 1 0 1 1 0 Off Off Off On
6. 0 = 0 V to -0.2 V, 1 = -5 V to -8 V
7. When an RF output port is “off” it is shorted to ground
through an “on” shunt MESFET.
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.



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Reflective GaAs SP4T Switch
DC - 4 GHz
Typical Performance Curves
Insertion Loss
2.0
1.5 +25°C
+85°C
-55°C
1.0
0.5
0.0
0
VSWR
2.0
1.8
1.6
1.4
1.2
1.0
0
1234
Frequency (GHz)
1234
Frequency (GHz)
5
5
SW-243
V3
Isolation
70
60
50
40
30
20
10
0
0
CR-4
1234
Frequency (GHz)
5
3
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.



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