Abstract: A structure of a high frequency non-reciprocal passive device, such as circulator/isolator and method of installation. The structure includes a substantially rigid lip with cutouts for hot leads to go through. The walls of the cutout are situated in close proximity and symmetrically to the leads. The structure also having mounting holes. The installation process includes a step of putting the structure into a pocket in a carrier wherein a defined amount of a low heat transfer/electrical resistance substance, for example a grease, is located. The size of the lip is larger than the size of the pocket. Therefore the structure is supported on the rim of the pocket, while its portion which is under the lip and having smaller size is located in the pocket. Mounting screws can provide a predetermined pressure to the carrier by the device housing.

Abstract: A structure of a high frequency non-reciprocal passive device, such as circulator/isolator and method of installation. The structure includes a substantially rigid lip with cutouts for hot leads to go through. The walls of the cutout are situated in close proximity and symmetrically to the leads. The structure also having mounting holes. The installation process includes a step of putting the structure into a pocket in a carrier wherein a defined amount of a low heat transfer/electrical resistance substance, for example a grease, is located. The size of the lip is larger than the size of the pocket. Therefore the structure is supported on the rim of the pocket, while its portion which is under the lip and having smaller size is located in the pocket. Mounting screws can provide a predetermined pressure to the carrier by the device housing.

Abstract: A compact multi-junction ferrite circulator/isolator in which ferrites, junctions with center conductors and permanent magnet are situated in a stacked manner with common center line within non-magnetic housing. A magnetic circuit also has C-shaped members each having shield, return and ground plane portions. The permanent magnet is located in between the ground plane portions of two C-shaped members. In this tandem circuit one permanent magnet and two ferrites having cross section area of those in a single circuit and less expensive round ferrite shape might be used. It gives a uniform magnetic flux which, in turn, provides better tandem circuit properties. The stacked situation of all principal tandem circuit members also gives the best horizontal integration. Vertical portion of a dielectric film within the tandem circuit might be used for a communication line application, for example, for an amplifier giving the highest level of integration.

Abstract: A lumped circulator/isolator element including option with widebanding circuit, in which an inductor is used, at the same time, as one plate of a capacitor creating a capacitance to a ground plane. Three-strip spiral inductors 3 each located in between three strip conductors I on a surface of a ferrite substrate 5 at 60 degree angle to each other with a common junction point in a center of the ferrite substrate 5. A capacitance of the inductors 3 is created to the ground plane 6.