Shielded Low-Noise Amplifier Front-End Module with GPS/GNSS/BDS Pre-Filter

The SKY65725-11 is a shielded front-end module (FEM) with an integrated low noise amplifier (LNA) and pre-filter designed for Global Positioning System/Global Navigation Satellite System/Beidou Navigation Satellite System (GPS/GNSS/BDS) receiver applications. The device provides high linearity, excellent gain, a high 1 dB input compression point (IP1dB), and a superior noise figure (NF).

The pre-filter provides the low in-band insertion loss and excellent rejections of the cellular, PCS, and WLAN frequency bands. The SKY65725-11 uses surface-mount technology (SMT) in a Multi-Chip Module (MCM) package, which allows for a highly manufacturable and low-cost solution. An additional filter is incorporated in the SKY65725-11 to improve performance in the presence of a Band 13 blocker.


    • Innovative proprietary shielded technology
    • Wideband pre-filter
    • Small signal gain: 16 dB typical
    • Excellent out-of-band rejection
    • Low noise figure: 1.8 dB typical
    • Low current consumption
    • Input/output impedance internally matched to 50 
    • Single DC supply: 1.1-2.85 V
    • Minimal number of external components required
    • Small MCM (9-pin, 1.6 x 1.6 x 0.75 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

Images & Diagrams


    • Frequency (MHz)
    • 1559-1606
    • Test Frequency (MHz)
    • 1575
    • Description
    • Shielded Low-Noise Amplifier Front-End Module with GPS/GNSS/BDS Pre-Filter
    • Gain (dB)
    • 16.5
    • VDD (V)
    • 1.1-2.85
    • IP1 dB (dBm)
    • -19
    • NF (dB)
    • 1.8
    • Package
    • MCM, 9-pin
    • Package (mm)
    • 1.6 x 1.6 x 0.75

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