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0.18μm CMOS TD-SCDMA receiver RF front-end design

Author: PengFengXiong
Tutor: ChenDiPing
School: Hunan University
Course: Microelectronics and Solid State Electronics
Keywords: TD-SCDMA Reference current source Low-noise amplifier Quadrature mixer Quadrature signal generator
CLC: TN929.533
Type: Master's thesis
Year: 2009
Downloads: 287
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Abstract


The first generation analog cellular mobile communication systems since the birth of a few decades , the mobile communication technology has been rapid development , mankind has realized the dream of anytime, anywhere communications . With the global economic integration and the deepening of the process of information , mobile communication services with mobile users is growing, making the mobile communications quickly by the second generation (2G) standard transition to the third generation (3G) standards. In the three major 3G standard , TD-SCDMA standard is first proposed by the Chinese , and because it uses a smart antenna , multi-user detection and other advanced technology makes it relative to other standards, has many advantages . Thus, for the TD-SCDMA standard for RF receiver circuit research and design has important practical significance. In this paper, suitable for the TD-SCDMA standard zero-IF receiver architecture , first of all, according to the 3GPP standard required to meet the receiver 's system indicators were derived with the division ; Then, depending on the receiver bias requirements of each module , the design of a models simple reference current source circuit ; Finally, the key for the RF receiver module : low-noise amplifiers, mixers, and quadrature signal generator , made ??a more detailed article on its theoretical analysis , on this basis , the design an additional capacitance of the inductor with a low noise amplifier negative feedback structure and folding Gilbert (Gilbert) quadrature mixer structure . The LNA has a gain adjustable function , and can achieve power and noise while matching ; mixer thanks to folding structure, which can be achieved at low supply voltage high linearity and low noise performance. For the quadrature mixer oscillator signal requirements and to reduce the frequency pulling effect , a kind of injection locked frequency technology using quadrature signal generator , the structure in low power conditions can provide low phase noise and high matching quadrature local oscillator signals . In this paper, TSMC 0.18μm MM / RF 1P6M CMOS process complete reference current source , a low -noise amplifier , quadrature mixer and quadrature signal generator circuit design , simulation and layout design . The simulation results show that the receiver RF front-end circuit design meets the design criteria of TD-SCDMA .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets ) > Code Division Multiple Access (CDMA) mobile communication
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