2 GHz, 256 QAM Low-Noise Amplifier

The SKY65971-11 is an ultra Low-Noise Amplifier (LNA) intended for 2 GHz, 256 Quadrature Amplitude Modulation (QAM) wireless receiver applications. Its industry-leading Noise Figure (NF), together with high linearity, make it ideal as a first-stage LNA in 256 QAM Wireless Local Area Network (WLAN) radios.

Operating with a single supply voltage, the SKY65971-11 consumes only 13 mA of current. The device includes a bypass mode for near field applications and to save power when the receiver is inactive.

The tiny package footprint of the SKY65971-11, requiring only four external components, enables the industry’s smallest PCB area needed to implement a 2 GHz LNA.


Product LifecycleIn Production
Frequency Range (GHz)2.4-2.5
Test Frequency (GHz)2.45
Gain Typ. (dB)14.5
OIP3 (dBm)
VDD (V)3.3
OP1 dB (dBm)
Supply Current Typ. (mA)13
Noise Figure Typ. (dB)1.3
PackageDFN, 6-pin
Package (mm)1.5 x 1.5 x 0.45


  • Ultra-low Noise Figure
  • 2.4 GHz to 2.5 GHz operation
  • Enable/disable/bypass modes
  • High IIP3
  • High gain
  • 2.8 V to 3.6 V single-supply operation
  • QFN (6-pin, 1.5 x 1.5 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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