Crystal, Ceramic,
and Mechanical Filter Design
Description: Design of crystal, ceramic, and mechanical filters. General
concepts and discussion of physical components.
Textbook: R.G. Kinsman, Crystal Filters, Wiley, NY, 1987.
R.A. Johnson, Mechanical Filters in Electronics, Wiley, NY 1983.
Reference: A. Zverev, Handbook of Filter Synthesis, Wiley, NY, l967.
G. Matthaei, L. Young, \& E.M.T. Jones, Microwave Filters,
Impedance-Matching Networks, and Coupling Structures, Artech House
Books, MA 1980.
Chapter Topic
Zverev RLC ladders, scaling, predistortion, and network transforma-
tions including lowpass to highpass, bandpass, and bandstop.
1 Introduction to crystal filters -- elements, types, ranges.
2 Crystal types and specifications.
3 Transformers and coils.
4,5,6 Crystal ladder and lattice filters. Their design and manu-
facture.
7,8 Monolithic crystal filters -- theory and design.
9,10 Application, specification, and testing of crystal filters.
Examples include IF receivers, SSB, comb filters, amd phase
matchers.
Johnson
1 Introduction to mechanical filters -- elements, types, ranges.
2 Electromechanical transducers -- magnetostrictive, piezoelectric.
3 Resonators, coupling elements, and equivalent circuits.
4 Mechanical ladder filters -- theory and design.
5,6 Mechanical filter design and manufacturing.
7,8,9 Application, specification, and testing of mechanical filters.
Examples include radios, telephone, communications, FSK systems,
radio navigation, and paging systems.
Laboratory Projects: Design, analyze, and test (using MicroCap II simulations)
a 4th order crystal filter.
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