Impedance-matching network专利检索-匹配变压器变压器电机电气元件和设备专利检索查询-专利查询网

Impedance-matching network

阅读：424发布：2023-08-22

专利汇可以提供Impedance-matching network专利检索，专利查询，专利分析的服务。并且This application describes an impedance-matching network comprising two transformers having turns ratios, 1:N and 1:M, where N and M are rational numbers. The first of these transformers senses the signal current flowing in the signal wavepath and induces a secondary current that is proportional thereto. The secondary current, thus induced, energizes the second transformer which injects into said wavepath a component of current that is proportional to the signal current by a factor equal to the product of the turns ratios of the two transformers. When at least one of the two transformers is a two-winding transformer, the effective turns ratio of this network is given by 1:1 + OR - 1/(NM), where the sign ( + OR - ) is determined by the manner in which the transformers are connected. When two, single-winding transformers, such as autotransformers, are used, the effective turns ratio is given by 1: ((N-1)/N + OR - 1/MN).，下面是Impedance-matching network专利的具体信息内容。

权利要求

1. In an electromagnetic wavepath, an impedance-matching network for coupling between two unequal impedances comprising: a first transformer having a turns ratio 1:N and a second transformer having a turns ratio 1:M; characterized in that: said first transformer senses the current in said wavepath and, in response thereto, couples a first current into a winding of said second transformer, inducing a second current; and in that said second current is injected into said wavepath, producing a net effective turns ratio 1:T for said network given by 1:T 1(A + OR - 1/(NM), where A is a parameter which depends upon the type of transformers used, and the sign ( + OR - ) is determined by the manner in which said transformers are connected.

2. The network according to claim 1 wherein both transformers are two-winding transformers; and wherein A 1.

3. The network according to claim 2 wherein one winding of one transformer is connected in series with said wavepath; one winding of the other of said transformers is in shunt with said wavepath; and wherein the other windings of said transformers are connected in series with each other.

4. The combination according to claim 1 wherein one of said transformers is a two-winding transformer; the other of said transformers is a single-winding transformer; and wherein A 1.

5. The network according to claim 1 wherein both transformers are single-winding transformers; and wherein A (N-1) /N.

6. In an electromagnetic wavepath, an impedance-matching network for coupling between two, unequal impedances comprising: a plurality of n pairs of transformers having turns ratios 1:Nj and 1:Mj, respectively, where Nj and Mj are rational numbers; characterized in that: each of said pairs of transformers is connected in accordance with claim 1 and cascaded along said wavepath to produce a net effective turns ratio 1:T given by

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