Signal converter

Details Signal converter Signal converter

H - Electricity

04

B

325/111

H04B 1/26 (2006.01) H01P 1/215 (2006.01) H03J 3/16 (2006.01)

Patent

CA 1271812

ABSTRACT OF THE DISCLOSURE A signal converter is disclosed which comprises a filter formed of a first ferromagnetic resonator supplied with an input signal to be converted and deriving a filtered signal having a first frequency, a local oscillator formed of an active element and a second ferromagnetic resonator connected to the active element, deriving an oscillating signal having a second frequency, a mixer mixing the filtered signal and said oscillating signal and deriving a converted signal, the first ferromagnetic resonator being formed of a first ferrimagnetic crystal, a microstrip line magnetically coupled to the ferrimagnetic crystal and first D.C. bias magnetic field means applying a first D.C. bias magnetic field to the first ferrimagnetic crystal, the second ferromagnetic resonator being formed of a second ferrimagnetic crystal, a microstrip line magnetically coupled to the second ferrimagnetic crystal, and second D.C. bias magnetic field means applying a second D.C. bias magnetic field to the second ferrimagnetic crystal. The first and second ferrimagnetic crystal is composed of ferrimagnetic thin films such as YIG film formed by a thin film forming technique, such as, liquid phase epitaxial growth.

483025

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