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Date control circuits

A data control and circuit technology, applied in the direction of electrical components, electronic switches, pulse technology, etc., can solve the problem that the data of the previous stage circuit cannot be processed correctly, and achieve the effect of reducing noise interference

Inactive Publication Date: 2019-01-04
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the noise generated by the switching circuit itself, the front-end circuit coupled to the switch circuit will cause the front-end circuit to be disturbed, so that the data of the front-end circuit cannot be processed correctly.

Method used

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Embodiment Construction

[0046] figure 1 A schematic block diagram of a data control circuit according to an embodiment of the present invention is shown. Please refer to figure 1 , the data control circuit 100 includes an output stage circuit 60 and a switch circuit 80 . The output terminal of the output stage circuit 60 is coupled to the input terminal of the switch circuit 80 to output data signals. The output terminal of the switch circuit 80 is coupled to the subsequent circuit 10 . Wherein, in different embodiments, the output stage circuit 60 may include an inverter circuit, a latch, a buffer or other signal output circuits. The switch circuit 80 determines whether to transmit the data signal of the output stage circuit 60 to the subsequent stage circuit 10 according to the control of the control signal.

[0047] In this embodiment, the data control circuit 100 further includes an impedance module (not shown in figure 1 , to be described in detail later). The impedance module is arranged ...

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Abstract

The invention provides a date control circuit. The date control circuit includes an output stage circuit, a switch circuit and an impedance module. The output stage circuit outputs data signals. The input end of the switch circuit is coupled to the output end of the output stage circuit, and the output end of the switch circuit is coupled to a post stage circuit; and the switch circuit determineswhether to transmit the data signals of the output stage circuit to the post stage circuit according to the controlling of control signals. The impedance module is configured in the output stage circuit, or is configured between the output stage circuit and the switch circuit, or is configured in the switch circuit, wherein the impedance module lowers noises flowing from the switch circuit to theoutput stage circuit.

Description

[0001] The present invention is a divisional application, the filing date of the original application is: January 8, 2013; the original application number is: 201310005802.7; the original invention creation name is: data control circuit. technical field [0002] The invention relates to an electronic circuit, in particular to a data control circuit capable of reducing switching noise. Background technique [0003] In many data transmission applications, in order to control the transmission of data information in the circuit, switching elements or switching circuits are added between the transmission paths. However, the front-stage circuit coupled to the switch circuit will be disturbed by the noise generated by the switch circuit itself, so that the data of the front-stage circuit cannot be processed correctly. Therefore, how to effectively eliminate or suppress the noise on the switch in the data control circuit so that the noise will not affect the correct transmission of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/16
Inventor 吴泽宏涂超凯苏嘉伟
Owner NOVATEK MICROELECTRONICS CORP