Theory and design of maximally flat low-pass high-pass reactance-ladder diplexers

摘要

The problem of designing a maximally flat low-pass high-pass reactance-ladder diplexer with adjustable crossover attenuation and variable bandwidth is addressed. A reasonably complete theoretical and practical solution based on a new and simple algebraic formulation is presented. All the proofs are given, and some of the pertinent recent literature is discussed.