1988•NASA STI/Recon Technical Report NRequires access

Dynamic Range Considerations in Narrowband and Wideband Superheterodyne Surveillance Receivers

Andrew Mudry

Abstract

Abstract : This report examines the dynamic range performance of narrowband and wideband superheterodyne surveillance receivers. A theoretical review of parameters indicative of the dynamic range performance of each type of receiver is presented. It is seen that for a narrowband superheterodyne receiver, the dynamic range performance can be specified using a parameter based on a single tone at the input. For a wideband superheterodyne receiver, one or more two tone dynamic range parameters are needed. These two tone dynamic range parameters are then used to predict the dynamic range performance of a wideband superheterodyne surveillance receiver currently being built for DREO. Some anticipated dynamic range problems specific to this system are discussed.

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Key concepts: Superheterodyne receiver, Narrowband, Wideband, Direct-conversion receiver, Dynamic range, Range (aeronautics), Electronic engineering, High dynamic range