HMC465LP5TR

更新时间： 2024-11-30 13:08:23

品牌	Logo	应用领域
HITTITE		射频和微波射频放大器微波放大器控制器
页数	文件大小	规格书
18页	692K
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数据手册

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HMC465LP5TR 数据手册

HMC981

v00.0611

ACTIVE BIAS CONTROLLER

Typical Applications

Features

Automatic Gate voltage adjustment (No Calibration

required)

Supply Voltage: 4V to 12V

• Microwave Radio & VSAT

• Military & Space

• Test Instrumentation

Digital Voltage: 3.3V to 5V

• Fiber Optic Modulator Driver Biasing

• CATV Laser Driver Biasing

• Cellular Base Station

Controls both Enhancement and Depletion type

devices

Adjustable Drain Current up to 200mA

Sink/Source Gate Current Capability

• Wireless Infrastructure Equipment

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

Functional Diagram

General Description

HMC981 is an active bias controller that automatically

adjusts the gate voltage of an external ampliﬁer

to achieve constant bias current. It can be used to

bias any enhancement and depletion type ampliﬁers

operating in Class-A regime with Drain voltages from

4V to 12V and drain currents up to 200mA, offering a

complete biasing solution.

HMC981 achieves excellent bias stability over supply,

temperature and process variations, and eliminates

the required calibration procedures usually employed

to prevent RF performance degradation due to such

variations.

All data shown herein is taken with appropriate probes.

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

2 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

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