Electromechanical filters

Details Electromechanical filters Electromechanical filters

1978-06-28

1981-03-10

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333186, 333198, H03H 946, H03H 950, H03H 952

Patent

active

042557275

ABSTRACT:
In an electromechanical filter, poles are obtained by interconnecting an electrical reactance between the input and output of the filter. It is shown that this impedance behaves as a mechanical bridge.

REFERENCES:
patent: 3858127 (1974-12-01), Johnson
patent: 3986151 (1976-10-01), Kanazawa et al.
patent: 4060774 (1977-11-01), Ernyei
Gunther et al.-"Mechanical Channel Filters Meeting CITT Specification", Proceedings of the IEEE, vol. 67, No. 1, Jan. 1977; pp. 102-108.
Johnson et al.-"Mechanical Filters-A Review of Progress" in IEEE Transactions on Sonics and Ultrasonics, vol. SU-18, No. 3, Jul. 1971; pp. 155-170.

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