Load transformer and differential amplifier
By adopting a stacking structure of asymmetrically arranged metal layers and substrate dielectric layers of different thicknesses in the load transformer, the problems of high cost and large area of existing load transformers are solved, and the transformer area is reduced while high Q and high K values are achieved, and the substrate utilization is improved.
CN119742144AActive Publication Date: 2025-04-01LANSUS TECH INC
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Patent Information
- Application Number
- CN202510186388.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2045-02-20
AI Technical Summary
Technical Problem
The existing load transformers have high costs, and while achieving high Q and high K values, the transformer area is larger and occupies a large substrate area.
Method used
By spaced apart the first metal layer, the second metal layer, the third metal layer and the fourth metal layer asymmetrically, a substrate dielectric layer of different thicknesses is used to form a stacked load transformer, thereby obtaining high Q and high K values while reducing the transformer area.
Benefits of technology
It effectively saves the area occupied by the transformer, improves the substrate utilization rate, and reduces costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of wireless communication, and provides a load transformer and a differential amplifier, the load transformer comprises a first metal layer, a second metal layer, a third metal layer and a fourth metal layer which are sequentially stacked, and the first metal layer, the second metal layer, the third metal layer and the fourth metal layer are mutually spaced and asymmetrically arranged; the first metal layer is an annular first coil layer, the second metal layer is an annular second coil layer, the third metal layer is an annular third coil layer, and the fourth metal layer is a grounding layer; the load transformer further comprises a first substrate dielectric layer, a second substrate dielectric layer and a third substrate dielectric layer. The first substrate dielectric layer is arranged between the first metal layer and the second metal layer; the second substrate dielectric layer is arranged between the second metal layer and the third metal layer; the third substrate dielectric layer is arranged between the third metal layer and the fourth metal layer. The load transformer is small in area, low in cost and convenient to improve the utilization rate of the substrate.
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