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Apparatus and method for compensating for process variation in electronic equipment

A technology of electronic equipment and process, applied in the field of characteristic difference compensation, which can solve the problem of not making any determination

Inactive Publication Date: 2019-01-18
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

No determination has been made, and no assertion is made, as to whether any of the foregoing would be applicable as prior art with respect to the present disclosure

Method used

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  • Apparatus and method for compensating for process variation in electronic equipment
  • Apparatus and method for compensating for process variation in electronic equipment
  • Apparatus and method for compensating for process variation in electronic equipment

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Embodiment Construction

[0028] The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It includes various specific details to aid in that understanding, but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

[0029] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the present disclosure. Accordingly, it should be apparent to those skilled in the art that the following de...

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Abstract

Electronics are provided to compensate for process variations. The electronic device includes a first circuit configured to consume current supplied to the first circuit and a second circuit configured to control current supplied to the first circuit. The second circuit is configured to generate a signal for controlling current supplied to the circuit based on a frequency of a pulse signal generated using a second element of the same kind as that of the first element of the first circuit.

Description

technical field [0001] The present disclosure relates to compensation of characteristic differences of circuit components according to process variations in electronic devices. Background technique [0002] Electronic devices include many circuits. In particular, communication electronics may include circuitry for controlling radio frequency (RF), and the circuitry essentially includes a frequency synthesizer for generating signals. In a frequency synthesizer, a part for generating a signal having a desired frequency is called a voltage controlled oscillator (VCO), and the VCO is one of circuits that consume a relatively large amount of current. [0003] When semiconductor circuits are manufactured, process variations may occur due to location on the wafer. In a complementary metal-oxide-semiconductor (CMOS) process, transistors are relatively susceptible to large process variations. For example, based on process variations, transistors operate slowly in the Slow-Slow (SS...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03L7/099
CPCH03B5/04H03B5/1212H03B5/1228H03B5/1234H03B5/124H03L7/099H03K3/012H03K17/145H03K17/6877
Inventor 李准熙崔钟元韩相昱李诚俊李永宅夫荣健
Owner SAMSUNG ELECTRONICS CO LTD