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SW-437
GaAs SPDT Switch DC - 3.0 GHz
Features
* * * * Low Cost Plastic SOT-363 Package Low Insertion Loss <0.3 dB @900 MHz Low Power Consumption <15A @ +2.7V Positive or Negative 2.5 to 8 V Control Rev. V5
Functional Schematic Positive Control Voltage
Description
M/A-COM's SW-437 is a GaAs monolithic switch in a low cost SOT-363 surface mount plastic package. The SW-437 is ideally suited for applications where very low power consumption, low insertion loss, very small size and low cost are required. Typical application is in dual band systems where switching between small signal components is required such as filter banks, single band LNA's, converters etc. The SW-437 can be used in applications up to 0.25 Watts in systems such as cellular, PCS, DCS1800, GSM, CDMA, W-CDMA and other analog/digital wireless communications systems. The SW-437 is fabricated using a mature 0.5 micron GaAs PHEMT process. The process features full passivation for increased performance and reliability.
Functional Schematic Negative Control Voltage
Ordering Information 1
Part Number
SW-437 PIN SW-437TR-3000 SW-437SMB
Package
Bulk Packaging 3000 piece reel Sample Test Board
Pin Configuration
Pin No.
1 2 3 4 5
Function
RF1 GND RF2 V2 RFC V1
Description
RF in/out RF Ground RF in/out V Control 2 RF COMMON V Control 1
1. Reference Application Note M513 for reel size information.
Absolute Maximum Ratings 2
Parameter
Input (0.5-3.0 GHz) 3 V Control 5 V Control Operating Voltage Operating Temperature Storage Temperature
Absolute Maximum
+30 dBm +33 dBm +8.5 Volts -40C to +85C -65C to +150C
6
2. Exceeding any one or combination of these limits may cause permanent damage to this device.
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.43537383 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.
SW-437
GaAs SPDT Switch DC - 3.0 GHz
Electrical Specifications: TA = 25C, Z0 = 50 3
Parameter
Insertion Loss
Rev. V5
Test Conditions
DC - 1 GHz 1 - 2 GHz 2 - 3 GHz DC - 1 GHz 1 - 2 GHz 2 - 3 GHz DC - 3 GHz 500 MHz - 3 GHz 500 MHz - 3 GHz 2-Tone 900 MHz, 5 MHz spacing (2.7V) 2-Tone 900 MHz, 5 MHz spacing (2.7V) 10% to 90T RF, 90% to 10% RF 50% Control to 90% RF, Control to 10% RF In-Band VCTRL = 2.5V
Units
dB dB dB dB dB dB Ratio dBm dBm dBm dBm ns ns mV A
Min
-- -- -- 19 13 10 -- -- -- -- -- -- -- -- --
Typ
0.3 0.4 0.55 21 15 12 1.2:1 24 27 81 55 10 20 10 4
Max
0.4 0.5 0.7 -- -- -- 1.3:1 -- -- -- -- -- -- -- 15
Isolation VSWR P1dB (2.7V Supply) P1dB (5V Supply Input IP2 Input IP3 Trise, Tfall Ton, Toff Transients Gate Leakage
3. For positive voltage control, external DC blocking capacitors are required on all RF ports.
SOT-363 Plastic Package
Truth Table
Mode (Control)
Positive3 Negative4 3.
V1
0 + 0.2V +2.5 to +8V 0 + 0.2V -2.5 to -8V
V2
+2.5 to +8V 0 + 0.2V -2.5 to -8V 0 + 0.2V
RFCRF1
On Off Off On
RFCRF2
Off On On Off
4.
For positive voltage control, external DC blocking capacitors are required on all RF ports (39 pF capacitors are recommended). If negative control is used, DC blocking capacitors are not required on RF ports. This switch is not meant to pass or switch a DC voltage.
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
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.43537383 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.
SW-437
GaAs SPDT Switch DC - 3.0 GHz
Typical Performance Curves
Isolation vs. Frequency over Temperature
40
Rev. V5
VSWR vs. Frequency
1.5
35
1.4
Negative Control Positive Control
30
1.3
25
1.2
20
1.1
15
10 0.0
0.5
1.0
1.5
2.0
2.5
3.0
1.0 0.0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency over Temperature (Positive Control)
1.0
-40C +25C +85C
Insertion Loss vs. Frequency over Temperature (Negative Control)
1.0
-40C +25C +85C
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0 0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0 0.0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
3
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.43537383 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.

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