5 GHz, 802.11ac Switch/Low-Noise Amplifier Front End

The SKYA21041 integrates a single-pole, double-throw (SPDT) switch and low-noise amplifier (LNA) with a bypass mode in an ultra-compact package. The device is capable of switching between WLAN receive and WLAN transmit.

The SKYA21041 is provided in a small, 6-pin, 1.2 x 1.4 mm Dual Flat No-Lead (DFN) package.


    • Automotive AEC-Q100 grade 2 qualification pending
    • Integrates an SP2T switch and LNA with bypass mode
    • Receive gain: 13 dB
    • Noise figure: 2.3 dB
    • Transmit path loss: 0.8 dB
    • Small DFN (6-pin, 1.2 x 1.4 mm) package (MSL1, 260 °C per JEDEC-J-STD-020)

Images & Diagrams


    • Frequency (GHz) Min.
    • 4.9
    • Frequency (GHz) Max.
    • 5.9
    • 802.11 WLAN Standard
    • n/ac
    • Architecture
    • 5 GHz Switch/LNA Front-end Module
    • Package
    • DFN, 6-pin
    • Package (mm)
    • 1.2 x 1.4 x 0.33

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