Part number QPL9057 Product Type Amplifier from Manufacturer Qorvo

Status: Standard | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant

The QPL9057 is a flat-gain, high-linearity, ultra-low noise amplifier in a small 2 x 2 mm surface-mount package. The LNA provides a gain flatness of 2.4 dB (peak-to-peak) over a wide bandwidth from 1.5 to 3.8GHz. At 3.5 GHz, the amplifier typically provides 22.8 dB gain, +32 dBm OIP3 at a 50 mA bias setting, and 0.54 dB noise figure. The LNA can be biased from a single positive supply ranging from 3.3 to 5 volts. The device is housed in a green/RoHScompliant industry-standard 2x2 mm package.

The QPL9057 is internally matched using a highperformance E-pHEMT process and only requires five external components for operation from a single positive supply: an external RF choke and blocking/bypass capacitors and a bias resistor going to pin 1. This LNA integrates a shut-down biasing capability to allow for operation in TDD applications.

The QPL9057 is optimized for linear performance across the 1.5 to 4.2 GHz frequency band but can operate down to 600 MHz.

Key Features:

  • 0.6 - 4.2 GHz Operational Bandwidth
  • Ultra-low noise figure, 0.54 dB NF @ 3.5 GHz
  • >20 dB gain across 1.5 to 3.8 GHz
  • Flat 2.4 dB gain variation across 1.7 to 3.8GHz
  • Bias adjustable for linearity optimization
  • 32 dBm OIP3 at 50mA IDD
  • Shut-down mode pin with 1.8V logic
  • Unconditionally stable
  • Integrated shutdown control pin
  • Maintains OFF state with high Pin over drive
  • +3V to +5V single supply; does not require -VGG
Part Number:
Frequency Min:
0.6 GHz
Frequency Max:
4.2 GHz
17 dBm
22.8 dB
32 dBm
Quiescent Current \ Id:
50 mA
Noise Figure:
0.54 dB
Gain Flatness:
2.4 ±dB
Return Loss Input:
13 dB
Return Loss Output:
12 dB
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by 11/3/2023

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