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See Technical Specifications

HMC980LP4ETR +BOM

High-Current, Active Bias Controller

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

HMC980LP4ETR
Datasheet:

HMC980LP4ETR Datasheet (PDF)
Applications:

Current Biasing
Current - Supply:

20mA
Voltage - Supply:

5V ~ 16.5V
Operating Temperature:

-55°C ~ 85°C
EDA/CAD Models:

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HMC980LP4ETR General Description

The HMC980LP4E is an active bias controller that can automatically adjust the gate voltage of an external amplifier to achieve constant drain current. Using an integrated controller, the HMC980LP4E allows safe power-up/power-down, and disable/enable of an external amplifier, ensuring the safe powering of the amplifier. The HMC980LP4E can be used to bias any enhancement or depletion type Class A amplifier operating with drain voltages from 5 V to 16.5 V and drain currents up to 1.6 A, thus offering a complete biasing solution.

Key Features

Automatic gate voltage adjustment (no calibration)
Supply voltage (5 V to 16.5 V)
Bias enhancement or depletion mode devices
Adjustable drain current up to 1.6 A
Sink or source gate current
Optional internal negative voltage generation

Application

Microwave radio and very small aperture terminals (VSATs)
Military and space
Test instrumentation
Fiber optic modulator driver biasing
CATV laser driver biasing
Cellular base station
Wireless infrastructure equipment

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Power Management - Specialized	Series	-
Applications	Current Biasing	Current - Supply	20mA
Voltage - Supply	5V ~ 16.5V	Operating Temperature	-55°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	HMC980