Low-Noise Amplifier Front-end Module with GPS/GNSS Pre-Filter

The SKY65704-22 is an integrated, Front-End Module (FEM) with an integrated Low Noise Amplifier (LNA) and pre-filter designed for Global Positioning System/Global Navigation Satellite System (GPS/GNSS) receiver applications. The device provides high linearity, excellent gain, a high 1 dB Input Compression Point (IP1dB), and a superior Noise Figure (NF).

The LNA is fabricated using advanced GaAs pHEMT technology. The GPS pre-filter provides the low in-band insertion loss and integrated notch filtering for excellent rejections of the cellular, PCS, and WLAN frequency bands. The SKY65704-22 uses Surface Mount Technology (SMT) in the form of a 2.8 x 2.5 mm Multi-Chip Module (MCM) package, which allows for a highly manufacturable and low-cost solution.

An integrated low-band notch filter is incorporated in the SKY65704-22 to improve 2nd Order Intermodulation (IMD2) performance.

Please note: SKY65704-22 being discontinued and is not recommended for new designs.


    • Small signal gain: 14.5 dB typical
    • IIP3: +6 dBm
    • Low Noise Figure: 2.5 dB typical
    • Low current consumption
    • Input/output impedance internally matched to 50 Ω
    • Single DC supply: 1.8 V
    • No external components required
    • Small, MCM (10-pin, 2.8 x 2.5 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

Images & Diagrams


    • Frequency (MHz)
    • 1565-1606
    • Test Frequency (MHz)
    • 1575
    • Description
    • GPS/GNSS Pre-Filter + LNA Front-End Module with B13 Notch
    • Gain (dB)
    • 14.0
    • VDD (V)
    • 1.8
    • IP1 dB (dBm)
    • -7
    • NF (dB)
    • 2.5
    • Package
    • MCM, 10-pin
    • Package (mm)
    • 2.8 x 2.5 x 0.7

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