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HMC980 - Active Bias Controller

Description

HMC980 is an active bias controller that can automatically adjust the gate voltage of an external amplifier to achieve constant bias current.

Features

  • Automatic Gate voltage adjustment (No Calibration required).
  • Supply Voltage (5V to 16.5V).
  • Bias both Enhancement or Depletion type devices.
  • Adjustable Drain Current up to 1.6 A.
  • Sink or source gate current.
  • Internal negative voltage generation.
  • Can be disabled to use external negative rail.
  • Fast Enable/Disable.
  • Trigger-out Output for Daisy Chain.
  • Power-Up and Power-Down Sequencing.
  • Over.

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Datasheet Details

Part number HMC980
Manufacturer Hittite Microwave Corporation
File Size 751.39 KB
Description Active Bias Controller
Datasheet download datasheet HMC980 Datasheet

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Full PDF Text Transcription

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Bias Controllers - Chip v00.0312 Typical Applications • Microwave Radio & VSAT • Military & Space • Test Instrumentation • Fiber Optic Modulator Driver Biasing • CATV Laser Driver Biasing • Cellular Base Station • Wireless Infrastructure Equipment HMC980 Active Bias Controller High Current Features • Automatic Gate voltage adjustment (No Calibration required) • Supply Voltage (5V to 16.5V) • Bias both Enhancement or Depletion type devices • Adjustable Drain Current up to 1.6 A • Sink or source gate current • Internal negative voltage generation • Can be disabled to use external negative rail • Fast Enable/Disable • Trigger-out Output for Daisy Chain • Power-Up and Power-Down Sequencing • Over/Under Current Alarm with built-in hystresis • Die Size: 1.4 x 2.26 x 0.
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