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Compact multi-element cascade cyclic energy transferring device

A technology of circulators and components, applied in the field of node-type stripline circulators, can solve the problems of increasing the cost of multi-node stripline circulators, adverse effects on the performance of stripline circulators, uneven tolerances, etc., to achieve More consistent return loss values, lower overall cost, eliminates transformer location effects

Inactive Publication Date: 2008-10-15
COBHAM DEFENSE ELECTRONICS SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will significantly increase the cost of handling and assembling multi-junction stripline circulators
Also, each node in a junction-type stripline circulator has a corresponding component set, which may allow non-uniform tolerances to accumulate in the component set, which may adversely affect the performance of the stripline circulator

Method used

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  • Compact multi-element cascade cyclic energy transferring device
  • Compact multi-element cascade cyclic energy transferring device
  • Compact multi-element cascade cyclic energy transferring device

Examples

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Embodiment Construction

[0021] US Provisional Patent Application No. 60 / 311,709, filed August 10, 2001, is incorporated herein by reference.

[0022] The junction-type stripline circulator has enhanced electrical and mechanical properties, and reduces manufacturing costs. In the junction-type stripline circulator, oval-shaped permanent magnets and oblong ferrite components are used in multiple junctions of the circulator in order to eliminate uneven tolerance build-up and uneven Permittivity dielectrics, the accumulation of this non-uniform tolerance and non-uniform dielectric constant dielectrics can degrade the mechanical and electrical performance of the device. Furthermore, by providing elliptical permanent magnets and oblong ferrite components in a multi-junction stripline circulator, the overall part count and overall assembly time of the device can be reduced, thereby reducing inventory and manufacturing costs.

[0023] FIG. 1 shows a plan view of an illustrative embodiment of a compact multi...

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PUM

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Abstract

A compact multi-element cascade cyclic energy transferring device is provided in which electrical and mechanical performance is enhanced while handling and assembly costs are reduced. The circulator includes a plurality of junctions connected in cascade to provide a plurality of non-reciprocal transmission path between signal ports on a network, and a metal housing with a cover in which the junctions are disposed. The plurality of junctions includes an oval permanent magnet, a multi-ferrite component including two oblong ferrite elements, a dielectric constant medium disposed between the ferrite elements, and a plurality of conductor portions sandwiched between the ferrite elements. By configuring the multi-element cascade circulator to include the oval permanent magnet and the oblong ferrite component that are employed by more than one junction of the circulator, the multi-element cascade circulator achieves enhanced performance with reduced inventory and manufacturing costs.

Description

technical field [0001] The present invention relates generally to radio frequency and microwave circulators, and more particularly to junction-type stripline circulators (junction-type stripline circulators), which can improve mechanical and electrical performance while reducing manufacturing cost. Background technique [0002] This application claims priority from US Provisional Patent Application No. 60 / 311,709, filed August 10, 2001, and entitled COMPACT MULTI-ELEMENT CASCADE CIRCULATOR. [0003] Known radio frequency (RF) and microwave circulators utilize a DC bias magnetic field generated in ferrite material surrounding conductors to provide at least one non-reversible transmission path between network signal ports. A common node-type stripline circulator includes at least one node that forms an interface between signal ports. Each junction of a junction-type stripline circulator typically includes two (2) permanent magnets, two (2) ground plane sections disposed betw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/387H01P11/00H01P1/38
CPCH01P1/387
Inventor 乔治·W·亨普尔雷蒙德·G·贾索姆
Owner COBHAM DEFENSE ELECTRONICS SYST CORP
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