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Amplifier Ics

Micrel

  • Power amplifier / low-noise

1.8 - 3.6 V | MICRF300

Article: 00005675

Power amplifier / low-noise

The MICRF300 is a low-noise amplifier (LNA) with low-power shutdown mode, which operates over the 100MHz to 1000MHz frequency band. The device is targeted for low-power, low-data rate applications at 315/433MHz, achieving a low 1.2dB noise figure with 18dB of gain, helping to improve receiver noise figure and sensitivity. The device also performs well at 868/915MHz, achieving 13dB of gain and a noise figure of 1.7dB. The device requires a simple input matching network and output matching network to optimize performance for the desired frequency band.

The MICRF300 operates over the 1.8V to 3.6V voltage range. Consuming a low 2.5mA of supply current during operation and a typical 50nA of shutdown current, the MICRF300 is an ideal solution for battery powered equipment. The device is available in 6-pin SC70 package and is rated to operate over the -40°C to +125°C temperature range.

Specifications

  • Type: power
  • Technology: low-noise

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