Researches On The Application Of The Neuron-MOS Circuits In The Communication Systems

This paper analyzes the status and trends of the neuron-MOS circuits development.The possibility and advantages of the neuron-MOS transistor circuits in the communication system are discussed,which meet the requirements of the integrated circuit developing.The characteristics of the neuron-MOS transistor structure and the improved structure are analyzed.A new SPICE simulation model is proposed,which is more suitable to the different applications,and makes the simulation more convenient.Base on the construction of the WCDMA PSC,the characteristics of the PSC are analyzed,and the process of the cell searching in WCDMA is presented.Several traditional ways and ways that base on the floating-gate MOS to implement the S/H circuit are presented,and then a new method,which base on the clock-controlled neuron-MOS transistor,is proposed.The S/H circuit based on this new method has the advantages of simplification,high accuracy and low power consumption.A simulation on HSPICE is made,and a compare between the new method and the traditional ways is given.The advantages and disadvantages of the traditional matched filter are analyzed, and a WCDMA PSC matched filter base on the neuron-MOS circuits is proposed. This matched filter processes the analog signals,so it can save a lot of circuit cells.A simulation of the matched filter structure using MATLAB has been given.This paper uses a simplified code that has the similar characteristics of the PSC to design a matched filter,and makes a simulation of the cell circuits of the matched filter using HSPICE.The results of the simulation are analyzed,to verify the correctness of the matched filter,and to illustrate the advantages of the implement using neuron-MOS circuits.The researches of this paper show the potential of the neuron-MOS circuits in the communication system.The circuits base on the clock-controlled neuron-MOS transistor have the characteristics of simple structure,low power consumption and so on,so they are very suitable to the low power and simplified structure applications, especially to the handle equipments.