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Cascaded Rectangular Cavity Filter

Application ID: 12018


A cascaded cavity filter provides much better bandpass filter performance compared to a single cavity. Out-of-band rejection improves dramatically using a cascaded design.

This model uses three rectangular cavity filters coupled via slots. The calculated S-parameters show excellent out-of-band rejection.

This application was built using the following:

RF Module

The combination of COMSOL® products required to model your application depends on the physics interfaces that define it. Particular physics interfaces may be common to several products (see the Specification Chart for more details). To determine the right combination of products for your project, you should evaluate all of your needs in light of each product\'s capabilities, consultation with the COMSOL Sales and Support teams, and the use of an evaluation license.