Datasheet HMC981LP3E (Analog Devices)

ПроизводительAnalog Devices
ОписаниеActive Bias Controller SMT
Страниц / Страница17 / 1 — HMC981LP3E. ACTIVE BIAS CONTROLLER. Typical Applications. Features. …
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Язык документаанглийский

HMC981LP3E. ACTIVE BIAS CONTROLLER. Typical Applications. Features. Functional Diagram. General Description. 13 - 1

Datasheet HMC981LP3E Analog Devices

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HMC981LP3E
v01.0411
ACTIVE BIAS CONTROLLER Typical Applications Features
Automatic Gate voltage adjustment (No Calibration • Microwave Radio & VSAT required) • Military & Space Supply Voltage: 4V to 12V • Test Instrumentation Digital Voltage: 3.3V to 5V • Fiber Optic Modulator Driver Biasing Controls both Enhancement and Depletion type • CATV Laser Driver Biasing devices • Cel ular Base Station Adjustable Drain Current up to 200mA • Wireless Infrastructure Equipment Sink/Source Gate Current Capability Optional Internal negative voltage generation that 13 can be disabled to use external negative rail Fast Enable/Disable Trigger-out Output for Daisy Chain Power-Up and Power-Down Sequencing T M 16 Lead 3x3 mm SMT Package: 9 mm² S - S R
Functional Diagram General Description
HMC981LP3E is an active bias control er that LLE automatical y adjusts the gate voltage of an external O amplifier to achieve constant bias current. It can be R used to bias any enhancement and depletion type T amplifiers operating in Class-A regime with Drain N voltages from 4V to 12V and drain currents up to O 200mA, offering a complete biasing solution. HMC981LP3E achieves excel ent bias stability over S C supply, temperature and process variations, and eliminates the required calibration procedures usually IA employed to prevent RF performance degradation due B to such variations. The HMC981LP3E is housed in an RoHS compliant 3x3 mm QFN leadless package with an exposed backside pad to improve thermal characteristics. Information furnish F e o d r p by A rnic alo e g , d Devi ecleis vie s rby eli, a eve nd t d to b o p e a l cc a ur c at e o e an r d d releiars ble , p . Ho le we a vesr, e c no For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other ontact Hittite Microwave Corporation: One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 2 Elizabeth Drive, Chelmsford, MA 01824 Phon rights of third parties that may result from its use. Specifications subject to change without notice. No e: 9 Ph 7 o 8 n - e 2 : 750 81- - 3 3 2 3 9- 4 4 3 F 70 ax 0 • O : 9 rde 7 r o8 nl-i2 n 50 e at -33 ww 7 w. 3
13 - 1
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