(under subclass 96) Subject matter wherein the frequency determining network comprises at least two elongated conductors, one of the conductors being enclosed by and electrically shielded by the other conductor, the conductors being so arranged that their longitudinal axes are parallel or coincident (i.e., coaxial line).
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97+, for coaxial or shielded line resonators wherein the active element of the oscillator is enclosed by resonator structure.