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Coplanar Waveguide Bandpass Filter

Application ID: 12099


Coplanar waveguide (CPW) bandpass filters can be designed using interdigital capacitors (IDCs) and short-circuited stub inductors (SSIs). This is a very efficient manufacturing method for producing bandpass filters, which can readily be implemented on a GaAs wafer.

The Coplanar Waveguide Bandpass Filter tutorial model presents a design that is compact in relation to its resonant frequency and provides a relatively high Q factor as compared to capacitively coupled microstrip line model designs. It uses the Multielement uniform lumped port feature of the COMSOL Multiphysics software in order to excite and/or terminate each element of the respective ports equally.

Questo modello è stato realizzato con:

RF Module