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Tuning circuit and method thereof

A technology for tuning circuits and circuits, which is applied in the field of tuning circuits, and can solve problems such as increasing circuit area, increasing production costs, and multi-tuning circuit components

Active Publication Date: 2010-01-06
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, to achieve higher resolution, more tuned circuit components are required
This will lead to an increase in circuit area and increase the relative production cost

Method used

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  • Tuning circuit and method thereof
  • Tuning circuit and method thereof
  • Tuning circuit and method thereof

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Embodiment Construction

[0027] In the present invention, several specific and detailed examples are disclosed, such as electronic circuits, components, and methods, so that readers can fully understand the embodiments of the present invention. However, those skilled in the art should understand that the present invention is not limited to these embodiments, as long as they do not depart from the gist of the present invention, the industry can make various deformations or changes, and the technologies of these deformations or changes all should fall into the present invention scope of the patent application. In addition, well-known related technologies are not described in detail to avoid obscuring the focus of the present invention.

[0028] The present invention discloses a plurality of tuning circuit embodiments. The advantage of the embodiments is that they can be fabricated in a monolithic integrated circuit (Monolithic IC) during the manufacturing process of the tuning circuits. The monolithic ...

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Abstract

The present invention discloses a tuning circuit and a method thereof. The tuning circuit comprises a plurality of turning cells arranged in an array mode to form a matrix structure. Each tuning cell contains a tuning element and a storage unit. The tuning element controls the output of the tuning cell according to logic values stored in the storage unit.

Description

technical field [0001] The present invention relates to an electronic circuit, in particular to a circuit for tuning. Background technique [0002] Digitally tuned circuit (Digitally tuned circuit) is a technology widely used in data and voice communication. Due to its portability, reliability, cost, and other factors, digitally tuned circuits are best suited to be fabricated as part of a monolithic IC. In order to provide higher tuning resolution and wider tuning range, tuning circuit elements need a large number of circuit elements (such as multiple capacitors, multiple inductors, etc.) to adjust the frequency. [0003] In the case of voltage and temperature fluctuations, there will be drifts in the characteristics of the tuning circuit components. In other words, more tuning circuit components are required to achieve the same tuning range under voltage and temperature variations. At the same time, to achieve higher resolution, more tuning circuit components are needed....

Claims

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Application Information

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IPC IPC(8): H03J5/24G11C11/21
CPCH03J1/0008H03J3/20H03J2200/10
Inventor 谢鸿元
Owner REALTEK SEMICON CORP