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.

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Frequency (MHz)1559-1606
Test Frequency (MHz)1575
DescriptionShielded 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
PackageMCM, 9-pin
Package (mm)1.6 x 1.6 x 0.75


  • 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)

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