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Products  > RF & Microwave  > Amplifiers  > Gain Blocks and Drivers  > ADA-4789
ADA-4789

Silicon Bipolar Darlington Amplifier in SOT-89 Package

Description
The ADA-4789 is a low cost high linearity Silicon Bipolar Darlington amplifier fabricated using Avago Technologies’ HP-25 Silicon Bipolar Process with 25 GHz fT and 30 GHZ fmax.  The Darlington feedback structure provides inherent broad bandwidth performance, resulting in useful operating frequency up to 2.5 GHz. It is also very easy to use as it is input and output matched to 50 ohms.
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Lifecycle status:Active

ADA-4789

Features
  • High Linearity 32.6dBm (60mA), 33.2dBm (80mA) at 900MHz & 28.8dBm at 2GHz
  • Flat, Broadband Frequency Response up to 1GHz
  • Low Thermal Resistance (52 Deg C / Watt)
  • Internal 50 Ohm matched
  • Single Current Supply
    • Applications
  • IF Amplifier & Pre-Driver Amplifier for Cellular Basestation
  • CATV Distribution/Drop Amplifier
    • Benefits
    Low cost & high linearity amplifier housed in a widely used high performance low thermal resitance SOT-89 package.
    Documents

    Data Sheets & Technical Specifications

    Application Notes

  • ADS Model  - ADA-4789(11 KB,ZIP)
  • ADS Model  - ADS Design Kit of ADA-4789(11 KB,ZIP)
  • AppCad - AppCAD - Latest AppCAD Setup Version 3.0.2(13960 KB,ZIP)
  • S-Parameter - ADA4789_50mA.s2p – S parameters of ADA-4789 at 50mA(1 KB,S2P)
  • S-Parameter - ADA4789_80mA.s2p – S parameters of ADA-4789 at 80mA (1 KB,S2P)

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