0.4-2.7 GHz SP10T Switch
PRELIMINARY DATA SHEET
SKY13441: 0.4-2.7 GHz SP10T Switch with GPIO Interface
Applications
• 2G/3G multimode cellular h...
Description
PRELIMINARY DATA SHEET
SKY13441: 0.4-2.7 GHz SP10T Switch with GPIO Interface
Applications
2G/3G multimode cellular handsets (UMTS, CDMA2000, EDGE, GSM) Embedded data cards
Features
Broadband frequency range: 0.4 to 2.7 GHz Single, positive DC power supply (2.5 to 3.3 V) Excellent Band 13 2nd harmonic rejection Integrated, low-pass harmonic filter for GSM transmit paths Integrated GPIO interface Any of eight TRX ports can be used for WCDMA transmit/receive or GSM receive functions Small MCM (20-pin, 3.2 x 2.5 mm) package (MSL3, 260 °C per JEDEC J-STD-020)
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Description
The SKY13441 is a Single Pole, Ten-Throw (SP10T) antenna switch with an integrated General Purpose Input/Output (GPIO) interface and dual low-pass harmonic filters. The switch has eight transmit/receive ports, any of which can be used for WCDMA transmit/receive or GSM receive functions. Using advance switching technologies, the SKY13441 maintains low insertion loss and high isolation for both transmit and receive switching paths. The switch also exhibits an excellent triple beat ratio and 2nd/3rd order modulation distortion performance.
Figure 1. SKY13441 Block Diagram
Switching is controlled by an integrated GPIO interface. Depending on the logic applied to the decoder, the antenna pin is connected to one of ten switched RF ports using a low insertion loss path, while the paths between the antenna pin and the other RF pins are in a high isolation state. No exte...
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