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HMC980 - Active Bias Controller

General Description

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

Key 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.

📥 Download Datasheet

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 (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.