Hybrid Mode Analysis of Microstrip Lines on Anisotropic Substrates

摘要: A rigorous hybrid mode analysis is applied to microstrip lines on anisotropic substrates determine its high-frequency performance. The based a general formulation of the problem planar transmission multilayered with uniaxial anisotropy, which line special case. Exact solution obtained using functional equation technique was previously developed and bilateral finlines. results were used check validity concept equivalent isotropic substrate, suggested by some authors simplify calculation parameters these lines. Certain approximations are introduced allow efficient characteristics microstrips at relatively high frequencies or for wide strips. Numerical given values sapphire include regions excitation higher modes.