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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMichael Hoft, Johannes Muller
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The present invention relates to a method for determine values for a set of construction parameters of a cavity resonator (1) comprising a housing (2) having a base (3), a sidewall (4) extending upwardly from the base (3) and an upper cover plate (5), and an inner conductor (6) having a width dimension D and extending upwardly from the base (3) along a length L, the housing (2) comprising a first material and the inner conductor (6) comprising a second material different from the first material. These values yield a minimum temperature induced change of resonant frequency f0 in a given temperature range ΔT with respect to the set of construction parameters. To determine the values, the resonant frequency f0 is calculated as a function of temperature and the set of construction parameters. The values of the set of construction parameters are varied, and the calculating step is repeated to derive optimum values for the set of construction parameters from the result of the calculation yielding a minimum temperature induced change of resonant frequency f0 in a given temperature range ΔT with respect to the set of construction parameters. The set of construction parameters includes the width dimension D of the inner conductor (6).
A method of determining values for a set of construction parameters of a cavity resonator comprising a housing having a base, a sidewall extending upwardly from the base and an upper cover plate, and an inner conductor having a width dimension D and extending upwardly from the base along a length L, the housing comprising a first material and the inner conductor comprising a second material different from the first material, the method comprising the steps of:
Dependencies are inferred from the claim text.