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Inductor capacitor tank for resonator

A technology of inductance capacitance and capacitance tank, which is applied in the direction of inductors, printed inductors, fixed inductors, etc., and can solve problems such as difficult control of the solution

Active Publication Date: 2016-11-23
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the behavior of frequency trimming is not a linear curve, some of these schemes suffer from component variations, others are difficult to control

Method used

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  • Inductor capacitor tank for resonator
  • Inductor capacitor tank for resonator
  • Inductor capacitor tank for resonator

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Embodiment Construction

[0017] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that a manufacturer may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The "comprising" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". Otherwise, the term "coupled" includes any direct and indirect means of electrical connection. Therefore, if it is described herein that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0018] figure 1 is a schematic diagram of an LC cell according to a ...

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Abstract

An inductor capacitor (LC) tank includes a first inductor and a first tunable capacitive array. The first inductor has a first terminal and a second terminal, and the first tunable capacitive array has a first terminal and a second terminal. The first tunable capacitive array is at a path branching from a first point between the first terminal and the second terminal of the first inductor, the first terminal of the first tunable capacitive array is coupled to the first point, and the second terminal of the first tunable capacitive array and the second terminal of the first inductor are coupled to a reference voltage. The tank can have better device change resistance ability.

Description

technical field [0001] The present invention relates to a circuit design, and more particularly, to an inductor capacitor (LC) tank for a resonator. Background technique [0002] For resonator set, in the design of coil-based LC tanks, such as LC voltage-controlled oscillator (VCO) or LC digital-controlled oscillator (VCO), semiconductor manufacturing process Variations in are always a concern. Over the years, some designs have been used to improve yields. Because the behavior of frequency trimming is not a linear curve, some of these schemes suffer from component variations and others are difficult to control. [0003] An important issue in this field is how to design LC cells that are resistant to process variations, which can also be accurately tuned and efficiently calibrated. Contents of the invention [0004] In order to solve the above problems, the present invention provides an inductance-capacitance tank, which can have better resistance to equipment changes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03B5/18
CPCH03B5/18H03H5/12H01F2017/0073H01F17/0006H03H7/0115
Inventor 王崑印邱威豪林昂生
Owner MEDIATEK INC