基于有源器件的全集成連續(xù)時間濾波器的研究
發(fā)布時間：2018-08-03 21:55
【摘要】：隨著第四代通信技術(shù)(4G)的普遍推廣和第五代通信技術(shù)(5G)的研究發(fā)展,人們對移動通信系統(tǒng)的性能要求不斷變高。濾波器作為移動通信系統(tǒng)中對信號波形剔除各種信號噪聲干擾、提取有效頻段的重要模塊,濾波器的性能要求也不斷提升。同時,隨著信息時代的不斷推進(jìn)和超大規(guī)模集成電路(VLSI)的發(fā)展,晶體管均集成到一塊小芯片上來滿足系統(tǒng)集成度的要求,用MOS電路來實(shí)現(xiàn)的各種器件和基本模塊以及用MOS電路來實(shí)現(xiàn)濾波器電路得到了廣泛的關(guān)注。因此,濾波器向著帶寬更高、集成度更高、處理速度更快、靈敏度更小、電路損耗更低以及電路結(jié)構(gòu)更為簡單的方向發(fā)展。而利用通用有源器件的高集成度、高頻帶、高速度、低電壓擺幅、低阻抗的性能可以很好的滿足濾波器的高性能要求,使得濾波器可以更好的應(yīng)用于現(xiàn)代通信系統(tǒng)當(dāng)中。全集成連續(xù)時間濾波器可以直接對模擬信號進(jìn)行處理,省略了A/D、D/A轉(zhuǎn)換、保持、采樣以及抗混疊濾波器,避免時鐘饋入的影響,同時跨導(dǎo)運(yùn)算放大器和電流傳送器是最重要的通用有源器件之一。因此,應(yīng)用跨導(dǎo)運(yùn)算放大器和電流傳送器實(shí)現(xiàn)的全集成連續(xù)時間濾波器很多,到目前為止,應(yīng)用跨導(dǎo)運(yùn)算放大器和電流傳送器的連續(xù)時間濾波器可以分為四類:以模擬劃分,分為電壓模式、電流模式和混合模式;以階數(shù)劃分,分為低階和高階;以實(shí)現(xiàn)方式劃分,分為直接設(shè)計(jì)方法和間接設(shè)計(jì)方法;以輸入輸出的個數(shù)劃分,分為單輸入單輸出、單輸入多輸出、多輸入單輸出、多輸入多輸出。本文系統(tǒng)地研究了跨導(dǎo)運(yùn)算放大器和電流傳送器的電路原理、CMOS電路結(jié)構(gòu)與特性及其全集成連續(xù)時間濾波器和模擬乘法器的設(shè)計(jì)方法。首先,根據(jù)多輸出差動差分電流傳送器的特性,提出了基于多輸出差動差分電流傳送器(MDDCC)的四象限模擬乘法器,該電路由四個多輸出的差動差分電流傳送器和八個NMOS晶體管以及一個接地電阻構(gòu)成。采用臺灣積體電路制造公司(TSMC)的0.18μm的CMOS工藝對電路進(jìn)行仿真分析得出模擬乘法器電路可以實(shí)現(xiàn)乘法計(jì)算、信號調(diào)制、信號倍頻等功能,同時,模擬乘法器電路具有良好的線性特性和較高的截止頻率以及很小的電壓輸出噪聲。其次,研究了基于跨導(dǎo)運(yùn)算放大器的二階混合模式通用濾波器,改變電源的類型以及電源輸入的位置,電路可以實(shí)現(xiàn)電壓模式和電流模式,兩種模式的濾波器均可以實(shí)現(xiàn)低通、高通和帶通的濾波功能。此外,采用Berkeley short-channel IGFET model(BSIM)90nm CMOS工藝對電路進(jìn)行仿真,對電路進(jìn)行性能分析得出電路具有較低的靈敏度,濾波器電路的性能較穩(wěn)定。最后,介紹了兩種方法(級聯(lián)法和有源模擬法)設(shè)計(jì)基于跨導(dǎo)運(yùn)算放大器的高階濾波器。詳細(xì)研究了兩種方法的具體設(shè)計(jì)理論和仿真過程,且進(jìn)行了設(shè)計(jì)舉例,對設(shè)計(jì)實(shí)例中的電路進(jìn)行了PSPICE仿真,并對仿真電路進(jìn)行了分析�；诳鐚�(dǎo)運(yùn)算放大器和電流傳送器的各種模擬濾波器電路在信號處理中具有重要作用,在微電子學(xué)、自動控制、儀器儀表以及電子測量等領(lǐng)域有廣泛的應(yīng)用價值。
[Abstract]:With the widespread popularization of the fourth generation communication technology (4G) and the research and development of the fifth generation communication technology (5G), the performance requirements of the mobile communication system are becoming higher and higher. The filter is an important module for removing the various signal noise interference and extracting effective frequency segments in the mobile communication system, and the performance requirements of the filter are also continuously proposed. At the same time, with the continuous advancement of the information age and the development of the ultra large scale integrated circuit (VLSI), the transistors are integrated into a small chip to meet the requirements of the system integration. The various devices and basic modules implemented by the MOS circuit and the MOS circuit to realize the filter circuit have been widely concerned. Therefore, the filter is directed to the filter. With higher bandwidth, higher integration, faster processing speed, less sensitivity, lower circuit loss and simpler circuit structure, the high performance of high integration, high frequency, high speed, low voltage swing and low impedance of universal active devices can meet the high performance requirements of the filter, making the filter possible It is better used in modern communication systems. Fully integrated continuous time filters can process analog signals directly, omitting A/D, D/A conversion, holding, sampling and anti aliasing filters to avoid the effect of clock feed. At the same time, transconductance operational amplifiers and current transmitters are one of the most important common active devices. There are a lot of fully integrated continuous time filters used in transconductance operational amplifiers and current transmitters. Up to now, the continuous time filters used for transconductance operational amplifiers and current transmitters can be divided into four types: analog division, voltage mode, current mode and mixing mode; the order is divided into low order and high order by order number; The current mode division is divided into direct design method and indirect design method, which is divided into single input and single output, single input and multiple output, multiple input and single output, multi input and multiple output. This paper systematically studies the circuit principle of transconductance operational amplifier and current transmitter, CMOS circuit structure and characteristics and its complete integration. The design method of the continuous time filter and analog multiplier. First, based on the characteristics of the differential differential current transmitter, a Four Quadrant Analog Multiplier Based on a multi output differential differential current transmitter (MDDCC) is proposed, which consists of four multi output differential differential current transmitters, eight NMOS transistors, and one grounding electricity. The 0.18 micron CMOS process of the Taiwan integrated circuit manufacturing company (TSMC) is used to simulate the circuit. The analog multiplier circuit can realize multiplicative calculation, signal modulation, signal frequency doubling and so on. At the same time, the analog multiplier circuit has good linearity and high cut-off frequency and very small voltage output noise. Secondly, the two order hybrid mode universal filter based on the transconductance operational amplifier is studied. The type of power supply and the position of the power input are changed. The voltage mode and current mode can be realized by the circuit. The filters of the two modes can achieve the filtering function of low pass, high pass and bandpass. In addition, the Berkeley short-channel IGFET m is used. The odel (BSIM) 90nm CMOS process simulates the circuit. The performance analysis of the circuit shows that the circuit has low sensitivity and the performance of the filter circuit is stable. Finally, two methods (cascade method and active simulation method) are introduced to design the high order filter based on the transconductance operational amplifier. The specific design principle of the two methods is studied in detail. The theory and simulation process are given, and the design examples are carried out. The circuit of the design example is simulated by PSPICE, and the simulation circuit is analyzed. The analog filter circuits based on the transconductance operational amplifier and the current transmitter play an important role in the signal processing, in microelectronics, automatic control, instrument and electronic measurement. There are wide application values in other fields.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TN713
[Abstract]:With the widespread popularization of the fourth generation communication technology (4G) and the research and development of the fifth generation communication technology (5G), the performance requirements of the mobile communication system are becoming higher and higher. The filter is an important module for removing the various signal noise interference and extracting effective frequency segments in the mobile communication system, and the performance requirements of the filter are also continuously proposed. At the same time, with the continuous advancement of the information age and the development of the ultra large scale integrated circuit (VLSI), the transistors are integrated into a small chip to meet the requirements of the system integration. The various devices and basic modules implemented by the MOS circuit and the MOS circuit to realize the filter circuit have been widely concerned. Therefore, the filter is directed to the filter. With higher bandwidth, higher integration, faster processing speed, less sensitivity, lower circuit loss and simpler circuit structure, the high performance of high integration, high frequency, high speed, low voltage swing and low impedance of universal active devices can meet the high performance requirements of the filter, making the filter possible It is better used in modern communication systems. Fully integrated continuous time filters can process analog signals directly, omitting A/D, D/A conversion, holding, sampling and anti aliasing filters to avoid the effect of clock feed. At the same time, transconductance operational amplifiers and current transmitters are one of the most important common active devices. There are a lot of fully integrated continuous time filters used in transconductance operational amplifiers and current transmitters. Up to now, the continuous time filters used for transconductance operational amplifiers and current transmitters can be divided into four types: analog division, voltage mode, current mode and mixing mode; the order is divided into low order and high order by order number; The current mode division is divided into direct design method and indirect design method, which is divided into single input and single output, single input and multiple output, multiple input and single output, multi input and multiple output. This paper systematically studies the circuit principle of transconductance operational amplifier and current transmitter, CMOS circuit structure and characteristics and its complete integration. The design method of the continuous time filter and analog multiplier. First, based on the characteristics of the differential differential current transmitter, a Four Quadrant Analog Multiplier Based on a multi output differential differential current transmitter (MDDCC) is proposed, which consists of four multi output differential differential current transmitters, eight NMOS transistors, and one grounding electricity. The 0.18 micron CMOS process of the Taiwan integrated circuit manufacturing company (TSMC) is used to simulate the circuit. The analog multiplier circuit can realize multiplicative calculation, signal modulation, signal frequency doubling and so on. At the same time, the analog multiplier circuit has good linearity and high cut-off frequency and very small voltage output noise. Secondly, the two order hybrid mode universal filter based on the transconductance operational amplifier is studied. The type of power supply and the position of the power input are changed. The voltage mode and current mode can be realized by the circuit. The filters of the two modes can achieve the filtering function of low pass, high pass and bandpass. In addition, the Berkeley short-channel IGFET m is used. The odel (BSIM) 90nm CMOS process simulates the circuit. The performance analysis of the circuit shows that the circuit has low sensitivity and the performance of the filter circuit is stable. Finally, two methods (cascade method and active simulation method) are introduced to design the high order filter based on the transconductance operational amplifier. The specific design principle of the two methods is studied in detail. The theory and simulation process are given, and the design examples are carried out. The circuit of the design example is simulated by PSPICE, and the simulation circuit is analyzed. The analog filter circuits based on the transconductance operational amplifier and the current transmitter play an important role in the signal processing, in microelectronics, automatic control, instrument and electronic measurement. There are wide application values in other fields.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TN713
【相似文獻(xiàn)】
相關(guān)期刊論文 前10條
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