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Integrated non-reciprocal component

A non-reciprocal, component-based technology, applied in the field of circulators, can solve problems such as reducing the commercial value of the design

Inactive Publication Date: 2007-08-22
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The required length of wire will reduce the commercial value of the design

Method used

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Examples

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Embodiment Construction

[0031] Hereinafter, various exemplary embodiments of the present invention are described. Although the present invention can be used in a wide variety of applications, it will be described with respect to a 3-port circulator used in the field of microwave technology. Another field of application of the invention may be as an isolator.

[0032]Fig. 1 shows a top view according to an embodiment of the present invention. A 3-port isolator is shown in particular FIG. 1 . The non-reciprocal component 10 includes a first dielectric part 11 , a ferrite substrate 12 and a second dielectric part 13 . The first dielectric part 11, the ferrite substrate 12 and the second dielectric part 13 are located on the same level. On this level, a metal wire arrangement 14 is placed. Under the first dielectric part 11, the ferrite substrate 12 and the second dielectric part 13, a ground layer 18 is provided. The metal line arrangement 14 includes first and second metal lines 15 , 16 arranged p...

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Abstract

The invention relates to a non-reciprocal component comprising a first dielectric part (11) and a ferrite substrate (12) located on the same level, a ground layer (18) is located below the ferrite substrate (12), a metal line arrangement (14) is located on the level having the first dielectric part (11) and the ferrite substrate (12), wherein the metal line arrangement (14) comprises a first and a second metal line (15, 16) arranged in parallel to each on the ferrite substrate (12), the first metal line (15) provides a first port (P l) and the second metal line (16) provides a second port (P2), wherein the first and second metal lines (15, 16) are connected in a portion between the first dielectric part (11) and the ferrite substrate (12) forming a single third metal line (17), which ends with third port (P3), wherein the ferrite substrate (11) is magnetized in parallel to the metal lines (15, 16) and at least one matching network (19, 20) is assigned to at least one of the ports (P1, P2). By coupling the matching networks (19, 20) to the first and second port (P1) and (P2) a substantially reduction of length of the metal line arrangement is achieved. This reduction allows an integration of the non-reciprocal component (10).

Description

technical field [0001] The invention relates to a non-reciprocal component comprising a first dielectric part, a ferrite substrate on the same level, metal lines arranged on the level with the first node part and the ferrite substrate . The invention also relates to an integrated circuit with non-reciprocal components and a circulator. Background technique [0002] Non-reciprocal components are used in particular in microwave technology which has become very important in recent years. Various frequency bands are used for commercial applications, eg, GSM (~1 GHz), UMTS (~2 GHz), Bluetooth (~2.5 GHz), WLAN (~5 GHz), etc. There is a definite trend towards higher frequencies in order to achieve greater bandwidth and thus higher data rates. In addition, new microwave applications have entered the market at higher frequencies similar to automotive radar (24GHz or 77GHz). In this segment, expect big developments in the coming years. [0003] Important examples of non-reciproca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/387
CPCH01P1/387
Inventor 雷内·皮耶蒂格曹萌
Owner NXP BV
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