OSI

(redirected from Optimum Source Impedance)
AcronymDefinition
OSIOpen Systems Interconnection
OSIOffice of Special Investigations
OSIOpen Society Institute
OSIOpen Source Initiative
OSIOnline Software
OSIOffice of Strategic Influence (band)
OSIOrdnance Survey Ireland (est. 1824)
OSIOperating System Independent (computing)
OSIOther Service Information
OSIOpen Systems International (Minneapolis, MN)
OSIOsram Sylvania Inc.
OSIOverflow Stack Immediate
OSIOfficina Stampaggi Industriali
OSIOperational Stress Injury
OSIOutsource Strategies International (Tulsa, OK)
OSIOpen System Interface
OSIOptical Scientific, Inc. (Gaithersburg, MD)
OSIOutsourcing Solutions Inc.
OSIOutback Steakhouse, Inc.
OSIOutsourcing Services India
OSIOut of Stock Indefinitely (usually referring to books)
OSIOptions Symbology Initiative (Options Clearing Corporation)
OSIOperating System Installer
OSIOn-Site Inspection
OSIOffice of Scientific Intelligence
OSIOil States Industries (Oil States International)
OSIOffice of Science and Innovation
OSIOffice of Strategic Initiatives
OSIOffice of Scientific Investigation (aka Office of Scientific Intelligence; fictional agency; Six Million Dollar Man and Bionic Woman)
OSIOpen Systems, Inc.
OSIOffice of School Improvement
OSIOffice of Strategic Information
OSIObjective Systems Integrators, Inc.
OSIOffice of Secret Intelligence (fictional, Venture Brothers)
OSIOrgan Supply Industries (Erie, PA)
OSIOffice of Scientific Information
OSIOther Similar Incidents
OSIOpen Switching Interval
OSIOn-Schedule Indicator (advertising)
OSIOther Specified Items (earnings)
OSIOperational Subsystem Interface (US DoD)
OSIOpen System Integration
OSIOntario Swine Improvement Inc. (Ontario, Canada)
OSIOrigo Sino-India PLC (UK)
OSIOunces per Square Inch
OSIOperator System Interface
OSIOther Supplemental Information
OSIOpen Systems Interoperability
OSIOpen Standard Interconnection
OSIOffice of Statewide Intelligence (FDLE)
OSIOptical Storage International
OSIOperations System Interface
OSIOperating Space Item
OSIOponix Systems Inc.
OSIOrganizational Strategies, Inc. (Arlington, VA)
OSIOrigin Systems Incorporated
OSIOpen Sources InfoWorld
OSIOccupational Stress Injury (psychological difficulty)
OSIOther Security Interests
OSIOffshore Systems, Inc
OSIOperational Support Inventory
OSIOnline Social Interaction
OSIOriginating Station Identifier
OSIOne Side Installation
OSIOptimum Source Impedance
OSICongregatio Oblatorum Sancti Ioseph (religious order, Oblates of St. Joseph)
References in periodicals archive ?
Results show good accuracy in optimum source impedance and a slight overestimation of |G.sub.n~ of unknown origin.
Key to the successful design of a low noise amplifier is finding the optimum source impedance. Measuring this parameter is not a problem with a packaged transistor but is difficult on-wafer.
Data then is used to calculate the optimum source impedance. In the real time method, source impedance is measured directly from the tip of the first probe.
In theory, parallel feedback also can be used either independently or in conjunction with series feedback to achieve the same objective.[1,2] In practice, however, best results usually are obtained using a series inductance.[3] For any series feedback inductance [L.sub.s] there is a unique load termination that will produce the desired condition, where the device input impedance equals the conjugate of the optimum source impedance needed for minimum noise figure.
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