YIG Bandpass filter interconnected by means of longitudinally sp

Details YIG Bandpass filter interconnected by means of longitudinally sp YIG Bandpass filter interconnected by means of longitudinally sp

1978-09-21

1982-06-08

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333209, 333231, H01P 1217, H01P 706, H01P 1209

Patent

active

043342019

ABSTRACT:
An electronically tunable YIG microwave filter with a two-piece housing is described. The two-piece housing makes possible the fabrication of small holes deep within the filter housing for mounting the filter components. This filter uses the center conductors of its input and output coaxial cables as input and output coupling loops.

REFERENCES:
patent: 3102244 (1963-08-01), Seidel
patent: 3268838 (1966-08-01), Matthaei
patent: 3299376 (1967-01-01), Blau et al.
patent: 3435385 (1969-03-01), Cohen
patent: 3480888 (1969-11-01), Elliott
patent: 3504305 (1970-03-01), Cohen
patent: 3801936 (1974-04-01), Roschmann
Venator-"Charting a Simpler Course to the Design of YIG Filters", Electronics, Mar. 3, 1969; pp. 118-126.
White-"Spin Waves and Magnetostatic Modes", Journal of Appied Physics, Supplement to vol. 31, No. 5, May 1960; pp. 86S-94S.
Cristal-Theory and Tables of Optimum Symmetrical Tem-Mode Coupled-Transmission-Line Directional Coupers", IEEE Trans. on Microwave Theory and Techniques, vol. MTT-13, No. 5, Sep. 1965; pp. 544-558.
Tokheim-"Equivalent Circuits Aid YIG Filter Design", Microwaves, Apr. 1971; pp. 54-59.
Thomas-"A Practical Introduction to Impedance Matching", Artech House, Inc., Dedham, Mass, Copyrighted 1976; pp. 3-13.
"Microwave Transmission Design Data"-Sperry Gyroscope Company, Inc., Received Scientific Library, May 9, 1966; Title Page and pp. 2-3.

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