Download RF9957 Datasheet PDF
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RF9957 Description

The RF9957 is an integrated plete IF AGC amplifier and Quadrature Demodulator designed for the receive section of dual-mode CDMA/FM cellular and PCS applications. It is designed to amplify received IF signals, while providing 100dB of gain control range, and demodulate to baseband I and Q signals. Noise Figure, IP3, and other specifications are designed to be patible with the IS98 and J-STD-018 Interim Standard for...

RF9957 Key Features

  • Supports Dual Mode Operation (CDMA and FM)
  • Digitally Controlled Power Down Mode
  • 2.7V to 3.3V Operation
  • Quadrature LO Divider
  • IF AGC Amp with 100dB Gain Control