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F1385 - DPD Demodulator

General Description

This document describes the specification for the F1385 Digital Pre-Distortion Demodulator for PA linearization.

This series of devices is offered in two frequency variants to cover common UTRA bands.

Key Features

  • Wide flat performance IF BW.
  • Wide RF BW (~ 1.2 GHz).
  • Ideal for Multi-Carrier Systems.
  • Drives ADC directly.
  • Ultra linear +39 dBm OIP3.
  • Excellent ACLR performance.
  • 100 Ω differential output impedance.
  • Fully integrated DPD demodulator.
  • 6 x 6 mm 36-pin package.
  • Standby Mode w/Fast Recovery.
  • ICC: 210 mA Block Diagram Figure 1. Block Diagram CLK DATA CSb SPI DEC . RFX RFY LO IFI Bias Ctrl 90O STB.

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Datasheet Details

Part number F1385
Manufacturer Renesas
File Size 1.20 MB
Description DPD Demodulator
Datasheet download datasheet F1385 Datasheet

Full PDF Text Transcription (Reference)

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DPD Demodulator for PA Linearization 3200 to 4400 MHz F1385 Datasheet Description This document describes the specification for the F1385 Digital Pre-Distortion Demodulator for PA linearization. This series of devices is offered in two frequency variants to cover common UTRA bands. Competitive Advantage In typical Base Station transmitters digital pre-distortion is employed to improve the transmitter performance. The signal out of the PA is sampled and the incoming TX chain I & Q data is predistorted to counteract the distortion inherent in the PA.