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A logic level jump detection and width-adjustable narrow pulse generation circuit

A logic level, jump detection technology, applied in the direction of transforming a continuous pulse chain into a pulse chain device with a desired mode, etc., can solve problems such as interference and wrongly encoded signals, achieve high frequency frequency stability, and improve anti-interference. Sex, the effect of shortening the time of change

Pending Publication Date: 2019-05-10
CHINA NORTH VEHICLE RES INST
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Problems solved by technology

[0006] From the above principle, it can be seen that the torque signal of the existing wireless transmission is a digital logic coding signal obtained through modulation, that is, a sequence signal composed of a series of high and low levels. interfered with, resulting in an erroneous coded signal

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  • A logic level jump detection and width-adjustable narrow pulse generation circuit
  • A logic level jump detection and width-adjustable narrow pulse generation circuit

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Embodiment Construction

[0021] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] The invention provides a logic level jump detection and adjustable width narrow pulse generation circuit, which changes the original logic level signal with different width into a narrow pulse signal with a certain period of pulse width determined according to the logic level jump. The purpose of narrow pulse modulation is to shorten the change time as much as possible, so that the high-frequency frequency of the carrier is as stable as possible, better realize wireless power supply, and greatly reduce the probability of signal interference caused by mixing spikes and glitches, and improve the anti-interference of the signal .

[0023] The present invention provides a logic level jump detection and adjustable wi...

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Abstract

The invention relates to a logic level jump detection and width-adjustable narrow pulse generation circuit, and belongs to the technical field of circuit design. By means of the logic level jump detection and width-adjustable narrow pulse generation circuit, the original logic level signals with different widths can be changed into narrow pulse signals with a certain pulse width period determinedaccording to logic level jump; the logic level change time is shortened, so that the high-frequency frequency of a carrier wave is as stable as possible, wireless power supply is better realized, theprobability of signal interference caused by mixing of a spike burr signal is greatly reduced, and the anti-interference performance of a wireless transmission signal is improved.

Description

technical field [0001] The invention belongs to the technical field of circuit design, in particular to a logic level jump detection and adjustable width narrow pulse generation circuit. Background technique [0002] In the past, due to the lack of data support in the R&D and design of special vehicle transmission systems, most of them used empirical design to carry out research on the power loss of transmission links in special vehicle transmission systems. Dynamic design provides data support, so as to realize the transformation from empirical design to predictive design of special vehicle transmission system. [0003] The key to obtaining the power loss parameter information of the transmission link of the special vehicle transmission system is to obtain real-time and accurate transmission shaft torque parameters, which is also the difficulty in obtaining power loss information. Due to the harsh working environment, narrow space, severe impact vibration and complex elect...

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Application Information

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IPC IPC(8): H03K5/156
Inventor 韩博毛明李振平王敏张鑫李建东段三星薛阳宏乔丽徐宜张洪彦杨忠国
Owner CHINA NORTH VEHICLE RES INST
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