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RMPA1963 Datasheet CDMA2000-1X and WCDMA Power Amplifier Module

Manufacturer: Fairchild (now onsemi)

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General Description

The RMPA1963 Power Amplifier Module (PAM) is Fairchild’s latest innovation in 50 Ohm matched, surface mount modules targeting US-PCS CDMA/WCDMA/HSDPA and Wireless Local Loop (WLL) applications.

Answering the call for ultra-low DC power consumption and extended battery life in portable electronics, the RMPA1963 uses novel proprietary circuitry to dramatically reduce amplifier current at low to medium RF output power levels (< +16 dBm), where the handset most often operates.

A simple two-state Vmode control is all that is needed to reduce operating current by more than 50% at 16 dBm output power, and quiescent current (Iccq) by as much as 70% compared to traditional power-saving methods.

Overview

www.DataSheet4U.com RMPA1963 PRELIMINARY May 2005 RMPA1963 i-Lo™ US-PCS CDMA, CDMA2000-1X and WCDMA Power Amplifier.

Key Features

  • 38% CDMA/WCDMA efficiency at +28 dBm Pout.
  • 14% CDMA/WCDMA efficiency (85 mA total current) at +16 dBm Pout.
  • Meets HSDPA performance requirements.
  • Linear operation in low-power mode up to +19 dBm.
  • Low quiescent current (Iccq): 25 mA in low-power mode.
  • Single positive-supply operation with low power and shutdown modes.
  • 3.4V typical Vcc operation.
  • Low Vref (2.85V) compatible with advanced handset chipsets.
  • Compact Lead-free compliant LCC package.

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