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RA03M8894M - 2 Stage Amp

Description

The RA03M8894M is a 3.6-watt RF MOSFET Amplifier Module for 7.2-volt portable radios that operate in the 889- to 941-MHz range.

The battery can be connected directly to the drain of the enhancement-mode MOSFET transistors.

Features

  • Enhancement-Mode MOSFET Transistors (IDD≅0 @ VDD=7.2V, VGG=0V).
  • Pout>3.6W @ VDD=7.2V, VGG=3.5V, Pin=50mW.
  • ηT>32% @ Pout=3W (VGG control), VDD=7.2V, Pin=50mW.
  • Broadband Frequency Range: 889-941MHz.
  • Low-Power Control Current IGG=1mA (typ) at VGG=3.5V.
  • Module Size: 30 x 10 x 5.4 mm.
  • Linear operation is possible by setting the quiescent drain current with the gate voltage and controlling the output power with the input power 1 4 5 1.

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Full PDF Text Transcription

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www.DataSheet4U.com MITSUBISHI RF MOSFET MODULE ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS RA03M8894M BLOCK DIAGRAM 2 3 RoHS Compliance , 889-941MHz 3.6W 7.2V, 2 Stage Amp. For PORTABLE RADIO DESCRIPTION The RA03M8894M is a 3.6-watt RF MOSFET Amplifier Module for 7.2-volt portable radios that operate in the 889- to 941-MHz range. The battery can be connected directly to the drain of the enhancement-mode MOSFET transistors. Without the gate voltage (VGG=0V), only a small leakage current flows into the drain and the RF input signal attenuates up to 60 dB. The output power and drain current increase as the gate voltage increases. With a gate voltage around 2.5V (minimum), output power and drain current increases substantially.
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