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ANALYSIS AND DESIGN CONSIDERATIONS FOR DISTRIBUTED RC NETWORKS WITH ARBITRARY TAPER.
NEW YORK UNIV N Y LAB FOR ELECTROSCIENCE RESEARCH
Analysis and design techniques are considered for arbitrarily tapered distributed RC networks. The RC two-port parameters are shown to be simple functions of the Basic Set solutions of the Sturm Equation. The immittance parameters, when written in Basic Set notation, are treated in the context of classical lumped network theory. They are shown to be positive real functions and their polezero characteristics in the s-plane are shown to be closely related to those of lumped RC networks. From the knowledge of the network poles and zeros, root locus is shown to be an efficient method of determining network behavior. The design of RC networks to realize a low-pass and bandpass network function is considered. The low-pass design is accomplished by including a specification of allowable magnitude and phase error in the statement of the desired low-pass function. The RC network is chosen so that the error terms are within the specified bounds. Bandpass response is accomplished using an active element and feedback. Extensive use is made of the root locus to achieve a design which is relatively insensitive to network parameter variations.
AF19 628 379