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Coaxial ceramic ¼ wave resonators made with modern high performance ceramic dielectric materials are very useful as compact frequency standards, filter elements and distributed inductive or capacitive circuit elements. The high Q obtained in the UHF and microwave frequency range makes these resonators ideal for many applications. When cost, size and stability are important, these resonators are the best choice.
Integrated Microwave Corp. (IMC) manufactures all resonators at its facility in San Diego, CA. IMC makes ceramic resonators in nine sizes: 2, 3, 4, 5, 6, 8, 10, 12 and 18 mm. There are five different dielectric constants available to choose from: 8, 13, 20, 36 and 98. Frequencies from 200 MHz to 10 GHz are available with tolerances from 1 to 0.25 percent. These resonators can be supplied as quarter wave resonators with one end fully metallized and the other end open or as half-wave resonators with both ends open. IMC carries a resonator inventory of over one million parts for quick delivery requirements.
For surface mounting, these resonators can be supplied with metal tab contacts soldered to the ID of the resonator or with the company’s unique tabless design where no metal tab or solder is used. With the metal tab contacts a standoff tab can be supplied to allow a capacitance element to be soldered in series between the circuit board and the tab. IMC can also supply these series capacitance elements already soldered to the resonator tab.
All IMC resonators and resonator assemblies are RoHS compliant and can be supplied in bulk or tape and reel packaging.
Integrated Microwave Corp.,
San Diego, CA
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