Indian Journal of Science and Technology

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Objective: To design and implementation of second order digital differentiator at microwave frequencies. Method: We proposed simple accurate formulations for DiScrete-time Processing (DSP) of second order digital differentiators in the Z-domain. The transmission lines are constructed by using chain scattering parameters to map with second order digital differentiator in order work at microwave frequencies. So the developed equations were instrumented by using micro strip lines to form a second order microwave differentiator and simulated by using Advanced Design System (ADS) software.Findings: A simplified mathematical expressions are derived to design the digital differentiator at microwave frequencies. The designed second order microwave differentiator magnitude response is similar to second order digital differentiator. Applications: It can be used in target detection of marine radar.

Keywords

Chain Scattering Parameters, Digital Differentiator, Micro Strip, Microwave Differentiator, Stub etc.
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