title: Fast computation of static capacitance for periodic SAW transducers.
abstract: An efficient algorithm to compute the static capacitance of periodic SAW (surface acoustic wave) interdigital transducers is proposed. The method is based on a new formulation of the well-known relationship giving the capacitance as a linear combination of the charges induced on an infinite transducer for one-electrode excitation. Besides computational efficiency, an interesting physical interpretation of static capacitance results. The algorithm itself is also tailored to split-finger transducers.
authors.affiliation: Dipartimento di Elettronico, Politecnico di Milano.
authors.forename: M
authors.initials: M
authors.lastname: Politi
authors.forename: G
authors.initials: G
authors.lastname: Macchiarella
authors.forename: G B
authors.initials: GB
authors.lastname: Stracca