an integrator circuit

A technology of integrator and circuit, which is applied in the direction of instruments, electric variable adjustment, control/regulation system, etc., can solve the problem that the circuit cannot take into account noise and chip area, and achieve the effect of free and flexible value selection and alleviating compromise

Active Publication Date: 2022-03-22
NO 24 RES INST OF CETC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above existing problems in the prior art, the present invention proposes an integrator circuit, which mainly solves the problem that the existing circuit cannot balance noise and chip area

Method used

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Embodiment Construction

[0022] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0023] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The present invention proposes an integrator circuit, including: a voltage-current conversion unit, used to convert an input voltage into an input current; a current scaling unit, used to scale the input current proportionally to obtain an output current; a current-voltage conversion unit , for converting the output current into an output voltage; the present invention can effectively alleviate the trade-off problem between resistance noise and chip area.

Description

technical field [0001] The invention relates to the field of circuit design, in particular to an integrator circuit. Background technique [0002] Integrator circuits are widely used in analog integrated circuits, one of which is a high-speed sigma delta analog-to-digital converter, which is mainly used to receive input signals and feedback signals, and convert residual current to output voltage. [0003] However, the existing integrator circuit is usually composed of a resistor and a capacitor, and the output is related to the product of the resistor and the capacitor value, if one of the two is determined, the other is also determined accordingly. That is, if the introduced noise is reduced by reducing the resistance value, the capacitance value needs to be increased, which leads to a substantial increase in the chip area, and finally leads to a compromise between noise and chip area in circuit design. Contents of the invention [0004] In view of the problems existing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/56
CPCG05F1/56
Inventor 郝报田陈凯让王友华王潇夏世琴赵霜叶李航标姚明刘智卿赵晓冬
Owner NO 24 RES INST OF CETC
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