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

The SKY65723-11 is a 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 integrated notch filtering for excellent rejections of the cellular, PCS, and WLAN frequency bands. The SKY65723-11 uses surface-mount technology (SMT) in the form of a 1.7 x 2.3 mm Multi-Chip Module (MCM) package, which allows for a highly manufacturable and low-cost solution.

An additional filter is incorporated in the SKY65723-11 to improve performance in the presence of a Band 13 blocker.

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Frequency (MHz)1559-1606
Test Frequency (MHz)1575
DescriptionGPS/GNSS/BDS Pre-Filter + LNA Front-End Module
Gain (dB)16.5
IP1 dB (dBm)TBD
NF (dB)1.5
PackageMCM, 6-pin
Package (mm)1.7 x 2.3


  • Small signal gain: 17 dB typical
  • Low noise figure: 1.8 dB typical
  • Excellent out-of-band rejection
  • Low current consumption
  • Input/output impedance internally matched to 50 Ω
  • Single DC supply: 1.62 to 3.6 V
  • Minimal number of external components required
  • Small MCM (6-pin, 1.7 x 2.3 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

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