H - Electricity – 01 – P
Patent
H - Electricity
01
P
H01P 7/10 (2006.01) H03B 5/18 (2006.01)
Patent
CA 2276918
A low phase-noise device, like e.g. a microstrip-mounted voltage-controlled oscillator (VCO) is described, and also a method of reducing such a noise in such devices or other devices comprising a microstrip-mounted coaxial ceramic resonator. In practice, a recess is made in the metallic support, opening towards the substrate, extending beneath the terminal area of the ceramic resonator or, possibly, even beyond it. Said recess is filled with air and the layer of electrically conducting material between the substrate and the metallic support at said recess is removed.
Gris Marco
Tosini Roberto
Vigano' Graziano
Villa Alberto
Alcatel
Robic
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