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| 3 Volt GaAs SPDT Switch, DC - 2.0 GHz SW-395 SW-395 3 Volt GaAs SPDT Switch DC - 2.0 GHz Features * * * * * Low Insertion Loss: <0.7 dB @ 900 MHz Low Power Consumption: <10A @ =3 VDC Very High Intercept Point: 52 dBm IP3 Both Positive and Negative 3 to 8 V Control Low Cost SOT-26 Package SOT-26 1 XX#Y PIN 1 Description M/A-COM's SW-395 is a GaAs monolithic switch in a low cost SOT-26 surface mount plastic package. The SW-395 is ideally suited for applications where very low power consumption, low intermodulation products, very small size and low cost are required. Typical application is an internal/external antenna select switch for portable telephones and data radios. In addition, because of its low loss, good isolation and inherent speed, the SW-395 can be used as a conventional T/R switch or as an antenna diversity switch. The SW-395 can be used in power applications up to 0.5 Watts in systems such as cellular, PCN, GSM an other analog/digital wireless communications systems. The SW-395 is fabricated using a mature 1-micron gate length GaAs MESFET process. The process features full chip passivation for increased performance and reliability. 1. Dimensions are in: inches/mm Ordering Information Part Number SW-395 PIN SW-395TR Package SOT-26 Plastic Package Forward Tape and Reel 1 1. Refer to Application Note M513 for reel size information. Electrical Specifications: TA = +25C Parameter Insertion Loss Isolation VSWR 1 dB Compression 1 Trise, Tfall Ton, Toff Transients Input IP2 Input IP3 1. Test Conditions DC - 1.0 GHz 1.0 - 2.0 GHz DC - 1.0 GHz 1.0 - 2.0 GHz DC - 2.0 GHz Input Power (3V Control) 0.5 GHz Input Power (5V Control) 0.5 GHz Input Power (3V Control) 0.05 GHz Input Power (5V Control) 0.05 GHz 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, Control to 10% RF In-band 2-Tone, 5 MHz spacing, 3 V Control 0.05 GHz +10 dBm each 0.5 GHz 2-Tone, 5 MHz spacing, 3 V Control 0.05 GHz +10 dBm each 0.5 GHz Units dB dB dB dB dBm dBm dBm dBm S S mV dBm dBm dBm dBm Min. 23 17 Typ. 0.7 0.8 25 19 1.3:1 27 28 16 18 7 8 38 61 71 48 52 Max. 0.9 1.0 All measurements at 1 GHz in a 50 system with a 3V control unless otherwise specified. Loss varies at 0.003 dB/C. V2.00 M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice. 3 Volt GaAs SPDT Switch, DC - 2.0 GHz SW-395 Absolute Maximum Ratings Parameter Input Power Operating Voltage Operating Temperature Storage Temperature 1. 1 Functional Schematic +33 dBm +8.5 Volts VA 1 Absolute Maximum R FC VB -40C to +85C -65C to +150C Exceeding any one or a combination of these limits may cause permanent damage. Truth Table Mode (Control) Positive 1 Control A 00.2V +3V to +8V -Vc0.2V +Vc 00.2V -3V to -8V Control B +3V to +8V 00.2V +Vc -Vc0.2V -3V to -8V 00.2V RFC - RF1 RFC - RF2 P IN 1 R F1 GND R F2 Off On On Off On Off On Off Off On Off On 1. DC blocking capacitors not required if negative control voltage is used. Positive/ Negative1,2 Negative3 1. External DC blocking capacitors are required on all RF ports. 2. |-Vc|< 8 V. 3. If negative control is used, DC blocking capacitors are not required on RF ports. Typical Performance Curves 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Insertion Loss vs. Frequency INSERTION LOSS vs FREQUENCY 1.5 1.4 VSWR (dB) 0 0.5 1 1.5 2 2.5 FREQUENCY (GHz) 3 3.5 1.3 1.2 1.1 1 VSWR vs. Frequency VSWR vs FREQUENCY INSERTION LOSS (dB) 0 0.5 1 1.5 2 2.5 FREQUENCY (GHz) 3 3.5 50 45 40 35 30 25 20 15 10 5 0 Isolation vs Frequency ISOLATION vs FREQUENCY ISOLATION (dB) 0 0.5 1 1.5 2 2.5 FREQUENCY (GHz) 3 3.5 V2.00 M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice. |
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