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Continuous pulse generator

A pulse generator and inverter technology, applied in the direction of pulse generation, pulse technology, electric pulse generation, etc., to achieve the effect of wide application, flexible modulation mode and simple structure

Active Publication Date: 2013-04-24
SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The limitation of this method lies in the realization of high-speed logic, the control of precise phase delay and the control and improvement of pulse amplitude. At the same time, it will take some time for the price of this high-speed chip to reach the application level.

Method used

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Embodiment Construction

[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents 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. In addition, unless otherwise specified, the "connection" involved in this specific embodiment refers to an electrical connection relationship.

[0031] image 3 Structural block diagram of the continuous pulse generator provided by the present invention.

[0032] Such as image 3 As show...

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Abstract

The invention relates to the technical field of semiconductors, in particular to a continuous pulse generator. The continuous pulse generator comprises a drive-changeable inverter and an inverter chain which is formed by an even number of inverter units which are in series connection. The drive-changeable inverter comprises inverter units, a P-channel metal oxide semiconductor (PMOS) array and an N-channel metal oxide semiconductor (NMOS) array. An overturning and discriminating electrical level of the continuous pulse generator can be adjusted through adjusting the number of metal oxide semiconductor (MOS) transistors in the PMOS array and the NMOS array, the MOS transistors are joined up with an input end of each inverter unit in the drive-changeable inverter, and therefore the purpose of controlling and adjusting a duty ratio of output pulse signals is achieved. The continuous pulse generator is simple in circuit structure, compatible with the existing complementary metal-oxide-semiconductor transistor (CMOS) semiconductor technology, and flexible and convenient to adjust pulse width to achieve optimal transmission signal bandwidths. The continuous pulse generator can provide impulse sequences with controllable frequencies and different pulse widths and adjust transmission signal bandwidths to obtain high-quality signals, thereby enabling a modulation system to be more flexible. The continuous pulse generator can be widely used in the field of wireless communication.

Description

technical field [0001] The invention relates to the field of semiconductor technology, in particular to pulse generator technology. Background technique [0002] Ultra Wideband (UWB) is a wireless communication technology that uses short pulses (0.1nm~1.5ns) for transmission and has a very high bandwidth ratio (ratio of radio frequency bandwidth to center frequency). The three major advantages of good performance and not occupying new spectrum resources have emerged at the end of the 20th century and have been widely used in military and civilian fields. Compared with traditional narrowband technologies such as Bluetooth and WLAN, UWB technology has the characteristics of high transmission rate (hundreds of Mbit / s), strong anti-interference performance, low power consumption, and good confidentiality performance. It is mainly used in indoor communication, high-speed wireless LAN , radar and other fields. According to the FCC regulations of the US Federal Communications Com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K3/017
Inventor 孙翔
Owner SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT
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