GRF5508

GRF5508

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High Linearity Power Amplifier

Tuning Range: 0.8 to 0.9 GHz

The GRF5508 is a high gain, two-stage InGaP HBT power amplifier designed to deliver excellent P1dB, ACLR and IM3 performance over the 800 to 900 MHz band. Its exceptional native linearity makes it an ideal choice for transmitter applications that typically do not employ digital predistortion correction schemes.

This device is part of a complete family of externally matched linear amplifiers that cover the following frequency ranges:
GRF5506: 0.66 to 0.72 GHz
GRF5507: 0.7 to 0.8 GHz
GRF5508: 0.8 to 0.9 GHz
GRF5510: 0.88 to 0.96 GHz
GRF5517: 1.7 to 1.8 GHz
GRF5518: 1.8 to 1.91 GHz
GRF5519: 1.92 to 2.0 GHz
GRF5521: 2.11 to 2.17 GHz
GRF5526: 2.5 to 2.7 GHz
GRF5536: 3.4 to 3.8 GHz

Please consult with the Guerrilla RF applications engineering team for custom tuning/evaluation board data.

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Applications

  • Cellular Boosters/Repeaters
  • Picocells, Femtocells
  • Customer Premise Equipment
  • Automotive Compensators
  • Cellular DAS
  • Wireless Infrastructure

Features

Reference: 5.0V/195mA/849MHz

  • Gain: 29.7 dB
  • OP1dB: 33.1 dBm
  • OIP3: 45.4 dBm @ 23 dBm POUT/tone
  • Noise Figure: 4.5 dB
  • Excellent OP1dB, OIP3, ACLR and IM3 Performance
  • Native Linearity Provides up to +24 dBm POUT with > 45 dBc ACLR – Without the Need for Digital Predistortion Correction
  • +24 dBm Linear Output Power Maintained at 85 °C
  • Flexible Biasing Provides Latitude for Linearity Optimization
  • 195 mA Native Mode Quiescent Current Consumption
  • 5 V Supply Voltage
  • 50 Ω Single-ended Input and Output Impedances
  • Digital Shutdown
  • Rugged Design is Extremely Resilient to Mismatched Loads
  • -40 to 85 °C Operating Temperature Range
  • Compact 3 x 3 mm QFN-16 Package