Microstrip Filter Structures: Basics and Types

This article explores the fundamentals of microstrip filter structures and delves into various types, including stub-loaded, stepped impedance, directly coupled, parallel coupled, interdigital, and combline designs.

Microstrip filter structure types

Figure 1: Microstrip filter structure types

Let’s examine each of these microstrip filter structures in detail.

Microstrip-Based RF Filter Design

rf filter design fig2

Figure 2: RF Filter Design Example