Dielectric filter having coupling amount adjusting patterns

Details Dielectric filter having coupling amount adjusting patterns Dielectric filter having coupling amount adjusting patterns

H - Electricity

01

P

333/63

H01P 1/20 (2006.01) H01P 1/205 (2006.01)

Patent

CA 2036305

ABSTRACT OF THE DISCLOSURE A dielectric filter having a dielectric block made of a uniform. single dielectric material. dielectric resonators each of which includes a central conductor formed in the dielectric block in an approximately parallel fashion, and one or more coupling amount adjusting patterns each of which is formed between the two adjacent dielectric resonators and is grounded so that the dielectric resonators are coupled through inductive impedance. The coupling adjusting patterns are formed on the top surface of the dielectric block in thin patterns. This makes the filter smaller in size and the trimming of the pattern more easily than those of the conventional filters in the manufacturing process. Control of the characteristics of the filter can be carried out easily.

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