Compact multi-element cascade cyclic energy transferring device
A technology of transducers and components, applied in the field of node-type stripline loop transducers, can solve the problems of increasing the cost of multi-node stripline loop transducers, adverse effects on the performance of stripline loop transducers, Non-uniform tolerances and other issues, to achieve more consistent return loss values, lower overall cost, and eliminate the effect of transformer locations
Inactive Publication Date: 2003-04-02
COBHAM DEFENSE ELECTRONICS SYST CORP
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Problems solved by technology
This will greatly increase the cost of handling and assembling multi-junction stripline loop transducers
Also, each node in a node-type stripline loop transducer has a corresponding component set, which may allow non-uniform tolerances to accumulate in the component set, which may have a negative impact on the performance of the stripline loop transducer. Negative Effects
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[0021] US Provisional Patent Application No. 60 / 311,709, filed August 10, 2001, is incorporated herein by reference.
[0022] The junction-type stripline loop energy transducer has enhanced electrical and mechanical properties and reduced manufacturing costs. In the node-type stripline circulating transducer, elliptical permanent magnets and oblong ferrite components are used at multiple nodes of the circulating transducer to eliminate uneven tolerance accumulation between nodes and non-uniform dielectric constant media, the accumulation of this non-uniform tolerance and non-uniform dielectric constant media can degrade the mechanical and electrical performance of the device. Furthermore, by providing elliptical permanent magnet and oblong ferrite components in a multi-node stripline loop transducer, the total parts count and overall assembly time of the device can be reduced, thereby reducing inventory and manufacturing costs .
[0023] figure 1 A plan view is shown of an ...
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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 circulator transducers, and more particularly to junction-type stripline circulator transducers capable of improving mechanical and electrical performance while reducing manufacturing costs. Background technique [0002] This application claims priority to US Provisional Patent Application No. 60 / 311,709, filed August 10, 2001, entitled COMPACT MULTI-ELEMENTCASCADE CIRCULATOR. [0003] Known radio frequency (RF) and microwave circulating transducers utilize a DC bias magnetic field generated in ferrite material surrounding the conductors to provide at least one irreversible transmission path between network signal ports. A common node-type stripline loop transducer includes at least one node that forms an interface between signal ports. Each node of the node-type stripline circulating energy transducer usually includes two (2) permanent magnets, two (2) g...
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IPC IPC(8): H01P1/38H01P1/387
CPCH01P1/387
Inventor 乔治·W·亨普尔雷蒙德·G·贾索姆
Owner COBHAM DEFENSE ELECTRONICS SYST CORP