Patent ID: 6313711
Filing Date: 2001-11-06
Classification: H03B

Abstract:
A YIG oscillator having a YIG enclosure including a top housing and a bottom housing, the YIG oscillator comprising:a permanent magnet attached to the top housing of the YIG enclosure;a sphere holder having a mounting surface, the mounting surface configured to attach the sphere holder directly to the bottom housing of the YIG enclosure;a YIG sphere attached to an end portion of the sphere holder configured to magnetically couple to the permanent magnet, the YIG sphere having a zero temperature compensation (ZTC) axis;a substrate connected to the bottom housing of the YIG enclosure adjacent the YIG sphere; anda coupling loop connected to the substrate configured to loop over the YIG sphere and pass through a magnetic field between the YIG sphere and the permanent magnet, wherein the ZTC axis is at a predetermined angle to the mounting surface.