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Ultra-wideband transmitter

A transmitter, ultra-wideband technology, applied in electrical components, transmission systems, etc., can solve problems such as complex structures

Active Publication Date: 2013-01-30
SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional ultra-wideband short pulse transmitters usually have a complex structure in order to meet the protocol standards. We need to propose a new type of ultra-wideband short pulse transmitter, which requires a simple structure and an output power that meets the requirements of the ultra-wideband protocol.

Method used

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Embodiment Construction

[0017] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be further described below in conjunction with the accompanying drawings. Of course, the present invention is not limited to this specific embodiment, and general replacements known to those skilled in the art are also covered within the protection scope of the present invention.

[0018] Please refer to figure 1 , which shows a schematic structural diagram of an ultra-wideband transmitter according to an embodiment of the present invention. The UWB transmitter includes a digital excitation module 10 , a charge pump shaping module 20 and a power amplifier driving module 30 connected in sequence. The front end of the transmitter chip is the input of the digital baseband data signal, and the back end is the output of the radio frequency signal to the off-chip antenna. The digital excitation module 10 receives the data signal of the digital ba...

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Abstract

The invention discloses an ultra-wideband transmitter, which comprises a digital excitation module, a charge pump reshaping module and a power amplifier module, wherein the digital excitation module receives a data signal of a digital baseband and converting the rising edge of the data signal into a plurality of pulse signals; the charge pump reshaping module is connected with the digital excitation module and is used for reshaping the plurality of pulse signals into continuous voltage signals with same period, wherein the voltage signals comprise a rising voltage signal and a drop-out voltage signal; and the power amplifier module is connected with the charge pump reshaping module and is used for amplifying the voltage signals and outputting the voltage signals to a transmitting antenna. The ultra-wideband transformer disclosed by the invention is simple in structure, and the output power can flexibly meet the ultra-wideband protocol requirement.

Description

technical field [0001] The invention relates to the field of integrated circuits, in particular to an ultra-wideband transmitter. Background technique [0002] The wireless sensor network can cooperate with each other through various integrated micro-sensors and monitor, perceive and collect information of various environments and monitoring objects in real time, and process the collected information and send it to end users through wireless communication. Realize the interaction and integration of the physical environment, the information world, and human society. Therefore, wireless sensor networks have very broad application prospects and great commercial value, and have attracted international attention in recent years. Wireless sensor networks can work in a long-term unattended state, and have a wide range of applications. A typical wireless sensor network can be divided into two parts: data acquisition network and data transmission network. The data acquisition netw...

Claims

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Application Information

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IPC IPC(8): H04B1/02H04B1/717
Inventor 李琛方泽娇陈嘉胤
Owner SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT