RX Diversity FEM with Gain

The SKY13568-11 is an RX front-end module (FEM) combining two SP4T switches (input and output switch) with three paths that include B4, B7, and B17 SAW filters in series with high gain LNAs. The four separate paths are GPIO selectable with two control lines.

Using advanced switching technology, the SKY13568-11 maintains low insertion loss in the thru path and high isolation between paths when RX filtering and gain stages are selected. Integrated LNAs provide cable loss compensation to overcome path loss from the antenna to the transceiver.

The SKY13568-11 is packaged in a small, 4 x 3 x 0.8 mm, 17-lead surface-mount package. No external DC blocking capacitors are required on the RF paths as long as no DC voltage is applied. The switch can operate over the temperature range of –35 °C to +90 °C.

Please note: SKY13568-11 is being discontinued and is not recommended for new designs.


  • RX Diversity FEM with three selectable filters and LNA paths and optional bypass mode
  • Low insertion loss thru path
  • Integrated SAW filter and discrete LNA gain stage
  • SAW filters:
    • B17 (734 to 746 MHz)
    • B4 (2110 to 2155 MHz)
    • B7 (2620 to 2690 MHz)
  • Integrated GPIO interface
  • Small (4 x 3 x 0.8 mm) 17-lead MCM package (MSL3, 260°C per JEDEC J-STD-020)
Product Summary SKY13568-11: RX Diversity FEM with Gain (B4, B7, and B17) SKY13568_11_203359B_PS.pdf (111 KB)
ProductName : SKY13568-11
Frequency (MHz) :
Description :
Package : MCM, 17-Lead
Package (mm) : 4 x 3 x 0.8
Product Information:
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