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HMC504LC4B Datasheet(PDF) 1 Page - Hittite Microwave Corporation |
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HMC504LC4B Datasheet(HTML) 1 Page - Hittite Microwave Corporation |
1 / 18 page 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 13 - 1 13 HMC981 v00.0611 General Description ACTIVE BIAS CONTROLLER Functional Diagram Typical Applications 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. • Microwave Radio & VSAT • Military & Space • Test Instrumentation • Fiber Optic Modulator Driver Biasing • CATV Laser Driver Biasing • Cellular Base Station • Wireless Infrastructure Equipment Features 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 |
Similar Part No. - HMC504LC4B |
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Similar Description - HMC504LC4B |
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