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

Please note: SKY65708-51 is being discontinued and is not recommended for new designs.

The SKY65708-51 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 (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 SKY65708-51 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.

For applications that require additional rejection for the LTE Band 13, Skyworks SKY65708-11 is the ideal solution.


Frequency (MHz)1565-1606
Test Frequency (MHz)1575
DescriptionGPS/GNSS Pre-Filter + LNA Front-End Module
Gain (dB)14.4
VDD (V)2.85
IP1 dB (dBm)-4.5
NF (dB)1.75
PackageMCM, 6-pin
Package (mm)1.7 x 2.3 x 0.8


  • Small signal gain: 14.4 dB typical
  • IIP3: +6.5 dBm
  • Low Noise Figure: 1.75 dB typical
  • Low current consumption
  • Input/output impedance internally matched to 50 Ω
  • Single DC supply: 1.8 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)

Product Documents