HMC981 - ACTIVE BIAS CONTROLLER

HMC981 is an active bias controller that automatically adjusts the gate voltage of an external amplifier to achieve constant bias current.

• Automatic Gate voltage adjustment (No Calibration required) Supply Voltage: 4V to 12V Digital Voltage: 3.3V to 5V Controls both Enhancement and Depletion type devices Adjustable Drain Current up to 200mA Sink/Source Gate Current Capability Optional Internal negative voltage generation that can be disabled to use external negative rail Fast Enable/Disable Trigger-out Output for Daisy Chain Power-Up and Power-Down Sequencing 13 BIAS.