High Isolation, Broadband RF Switches

By Skyworks Solutions Inc 142

High Isolation, Broadband RF Switches

Skyworks offers a family of high isolation (47 dB) multi-throw switches for 0.7 GHz to 3 GHz Rx switching. The SKY13522-644LF, SKY13523-639LF, and SKY13524-639LF are designed for switching single-ended Rx SAW filters in cellular handsets. Consuming less than 10 µA of current, they are ideal for low power switching in smartphone, data card, IoT, infrastructure, and test and measurement applications and may be used for switching filter banks in infrastructure Rx chains. The small footprint devices are supplied in quad-flat no-lead (QFN) packages: 14-pin, 1.6 mm x 1.6 mm x 0.45 mm (-639LF) and 8-pin, 1.1 mm x 1.1 mm x 0.45 mm (-644LF).

SKY13522-644LF Features SKY13523-639LF Features  SKY13524-639LF Features
  • Broadband frequency range: 0.7 GHz to 3 GHz
  • High isolation: 47 dB at 2.2 GHz (typical)
  • Single bit control
  • Small QFN (8-pin,1.1 mm x 1.1 mm x 0.45 mm) package (MSL1, 260°C JEDEC J-STD-020)
  • Broadband frequency range: 0.7 GHz to 3 GHz
  • High isolation: >45 dB at 2 GHz
  • Low insertion loss: 0.5 dB typical at 2 GHz
  • Small QFN (14-pin,1.6 mm x 1.6 mm) package (MSL1, 260°C JEDEC J-STD-020)
  • Broadband frequency range: 0.7 GHz to 3 GHz
  • High isolation: 47 dB at 2 GHz
  • Small QFN (14-pin,1.6 mm x 1.6 mm) package (MSL1, 260°C JEDEC J-STD-020)
Applications Applications Applications
  • GSM/DCS/PCS/CDMA/WCDMA/TD-SCDMA single-ended filter switching
  • CDMA/WCDMA/TD-SCDMA/LTE single-ended filter switching
  • CDMA/WCDMA/TD-SCDMA/LTE single-ended filter switching 

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