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Skyworks Introduces BDS/GPS/GNSS Low Noise Amplifiers

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December 12, 2015

Skyworks introduces two new global navigation low noise amplifiers. The SKY65605-21 and SKY65611-11 are both designed for BeiDou/GPS/GLONASS/Galileo receiver applications and are optimized to operate from 1559 to 1606 MHz. Each device integrates all output matching components, thereby requiring only a single external input matching component. Ideal applications include smartphones, personal navigation devices, wearables, machine-to-machine systems, base stations, asset tracking instruments and professional radios. The devices provide high linearity, excellent gain, a high 1 dB input compression point (IP1 dB), and a superior noise figure. The LNAs use surface-mount technology in the form of quad flat no-lead packaging, allowing for highly manufacturable and low-cost solutions. The SKY65605-21 comes in a 0.7 x 1.1 x 0.55 mm package and the SKY65611-11 in a 1.1 x 0.9 x 0.45 mm package.


SKY65605-21 Block Diagram - RF Cafe


  • BDS/GPS/GNSS radio receivers
  • Global Navigation Satellite Systems (GLONASS)
  • Smartphones
  • Tablet/laptop PCs
  • Personal navigation devices


  • Small signal gain: 19 dB typical
  • High in-band IIP3: –5 dBm
  • Low noise figure: 0.6 dB typical
  • High IP1dB: –14.5 dBm
  • Low current consumption: 3.6 mA
  • Input/output impedance internally matched to 50 Ω
  • Single DC supply: 1.8 to 2.85 V
  • Minimal number of external components required
  • Ultra-small QFN (6-pin, 0.7 x 1.1 mm) package (MSL1, 260 °C per JEDEC J-STD-020)


SKY6511-11 Block Diagram - RF Cafe


  • GPS/GLONASS/Galileo/BDS radio receivers
  • Compass (Beidou)
  • Smartphones
  • Tablet/laptop PCs
  • Personal navigation devices


  • Small signal gain: 16.5 dB typical
  • Low noise figure: 0.65 dB typical
  • Out-of-band IIP3: +2 dBm typical
  • Low current consumption
  • Output impedance internally matched to 50 Ω
  • Single DC supply: 1.5 to 3.0 V
  • Minimal number of external components required
  • Small DFN (6-pin, 1.1 x 0.9 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

About Skyworks

Skyworks Solutions, Inc. is empowering the wireless networking revolution. Our highly innovative analog semiconductors are connecting people, places and things spanning a number of new and previously unimagined applications within the automotive, broadband, cellular infrastructure, connected home, industrial, medical, military, smartphone, tablet and wearable markets.

Headquartered in Woburn, Massachusetts, Skyworks is a global company with engineering, marketing, operations, sales, and service facilities located throughout Asia, Europe and North America. For more information, please visit Skyworks’ website at: www.skyworksinc.com.


Robin Accomazzo
Skyworks Solutions, Inc.



Posted December 28, 2015

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