SKY65605-21

BDS/GPS/GNSS Low-Noise Amplifier

The SKY65605-21 is a Microwave Monolithic Integrated Circuit (MMIC) front-end low-noise amplifier (LNA) designed for BeiDou Satellite Navigation System/Global Positioning System/Global Navigation Satellite System (BDS/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 SKY65605-21 is optimized to operate from 1.559 to 1.606 GHz, which makes it ideal for BDS/GPS/GNSS radio receiver applications.

The SKY65605-21 is fabricated using advanced SiGe BiCMOS technology. The LNA uses surface-mount technology (SMT) in the form of a 0.7 x 1.1 mm Quad Flat No-Lead (QFN) package, which allows for a highly manufacturable and low-cost solution.

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Specifications

Product LifecycleIn Production
Frequency (MHz)1559-1606
Test Frequency (MHz)
DescriptionBDS/GPS/GNSS Low-Noise Amplifier
Gain (dB)19
VDD (V)-
IP1 dB (dBm)-14.5
NF (dB)0.6
PackageQFN, 6-pin
Package (mm)0.7 x 1.1

Features

  • 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)

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