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A two-bus data transmission circuit

A transmission circuit and two-bus technology, applied in the field of two-bus data transmission circuits, can solve the problems of imperfect bus protection measures, poor driving ability and high cost, and achieve the effects of high reliability, simple circuit structure and low cost

Active Publication Date: 2017-09-08
沈阳网云科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the structure of the traditional two-bus data transmission circuit is relatively complicated, the driving ability is poor, the bus protection measures are not perfect, and the cost is high.

Method used

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  • A two-bus data transmission circuit

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, and the scope of protection of the present invention is not limited to the following descriptions.

[0016] Such as figure 1 : Including microprocessor interface C, signal shaping circuit, high-power MOS tube, MOS switch drive circuit and high-power inductor L1; wherein said microprocessor interface C outputs high and low level signals to 2 pins of signal shaping circuit U1A The signal shaping circuit includes: NAND gates U1A, U1B, resistors R1, R2, capacitors C1, C2; wherein pin 1 of the NAND gate U1A is connected to one end of resistor R1, and the other end of resistor R1 is connected to a 5V power supply and capacitor C1 , the other end of capacitor C1 is grounded; pin 3 of NAND gate U1A is connected to one end of capacitor C2, and the other end of capacitor C2 is connected to resistor R2 and pins 4 and 5 of NAND gate U1B, where the other end ...

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Abstract

The invention relates to a two-bus data transmitting circuit. The two-bus data transmitting circuit is composed of a signal shaping circuit, a high power MOS tube, a MOS tube switch drive circuit and a high power inductor on a bus. The two-bus data transmitting circuit is characterized in that high and low level signals generated by a microprocessor is subjected to band-limit shaping the signal shaping circuit, further pass through the MOS tube switch drive circuit, drive the high power MOS tube and control two-bus voltage; and under the isolation function of the high power inductor on the bus, data and power can be transmitted simultaneously.

Description

technical field [0001] The invention relates to the technical field of two-bus communication, in particular to a two-bus data sending circuit. Background technique [0002] At present, the structure of the traditional two-bus data transmission circuit is relatively complicated, the driving ability is poor, the bus protection measures are not perfect, and the cost is high. Contents of the invention [0003] Purpose of the invention: [0004] In order to avoid the deficiencies in the background technology, a two-bus data transmission circuit with simple circuit structure, strong driving capability and strong bus protection function is designed. [0005] Technical solutions: [0006] The present invention is achieved through the following technical solutions: [0007] A two-bus data transmission circuit includes: a signal shaping circuit, a high-power MOS tube, a MOS switch drive circuit, and a high-power inductor on the bus. [0008] In the signal shaping circuit, when s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/04
CPCH04B1/04
Inventor 踪念品踪家帅徐伦
Owner 沈阳网云科技有限公司