This Is AuburnElectronic Theses and Dissertations

Browsing Auburn Theses and Dissertations by Author "Dai, Fa"

Now showing items 1-20 of 37

28nm High-K Metal Gate RF CMOS TCAD Calibration 

Zhang, Jiabi (2015-12-10)
States of art of 28nm MOSFET structure is studied using the calibrated simulation deck, RF noise is simulated and compared with measurements. DC characteristics is firstly calibrated by adjusting doping profiles and other ...

An 8-bit 80-MS/s SAR ADC with Proposed S/H and Control Logic 

Liu, Xiao (2017-04-15)
In recent years, state-of-the-art Successive Approximation Register (SAR) ADCs have been operated at hundreds of MHz bandwidth or even GHz bandwidth by time interleaved for communication applications. This thesis proposes ...

Advancements and Implementation of Polynomial-Based Learning Machines for Data Processing and System Modeling 

Pukish, Michael, III (2014-04-23)
At the present time, the need in all disciplines for efficient and powerful algorithms for the handling of large and complex datasets is certainly at its highest. Extremely large multi-dimensional datasets are commonplace ...

Analytical Modeling of SiGe HBT Intermodulation Linearity 

Li, Yiao (2016-05-05)
Linearity is a key concern in RF systems, particularly an amplifier. Volterra series allow us to easily identify the contribution of various individual nonlinearities, as well as to identify the interaction between individual ...

Architecture Analysis and Block Design in Modern Communication Radio Transceivers 

Jin, Yuehai (2011-11-30)
With the rapid growth of consumer electronics market and the increasing demand for low power, wide bandwidth communication devices, the RF transceiver on chip implemented utilizing modern CMOS or SiGe BiCMOS technology ...

Broadband Radio Frequency Transmitter for Magnetic Resonance Imaging 

Lu, Hai (2015-07-14)
In Magnetic Resonance Imaging (MRI) application, radio frequency (RF) coils play an important role to excite the nuclei inside the imaging subject and receive MR generated signals. To achieve optimal transmit efficiency/receive ...

Circuit Simulator Based Mextram Parameter Extraction of SiGe HBTs 

Wang, Yili (2016-05-02)
This work implements Mextram 504 parameter extraction using ICCAP and ADS simulator. A 50 GHz SiGe HBT is used. Results show a whole procedure of parameter extraction with temperature scaling.

A CMOS Implementation of a Biological Neuron with Memristor as Synapse 

Li, Zhao (2017-04-26)
A CMOS neuron with 130-nm SiGe technology is presented in this paper to simulate the biological activities of synapses and neurons in human brains. Biological neuron behaviors are introduced in the beginning then comes ...

Design and Implementation of High Performance Pipelined SAR ADC for Wireless Communications 

Jin, Xin (2021-04-16)
As the process keeps scaling down, successive approximation register (SAR) architecture becomes an attractive candidate in low-power, moderate-speed A/D converter (ADC) due its mostly digital operation. For high speed ...

Design and Implementation of RF Receiver Front-end and Tunable Filter 

Ma, Desheng (2010-04-29)
In this work, several novel topologies for RF receivers, like reconfigurable wideband low noise amplifier (LNA), mixers with gain reuse, high resolution digitally controlled oscillator and the low power wideband receiver ...

Design of High Performance Radio-Frequency Phase-Locked Loops 

Liao, Dongyi (2018-07-26)
Phase-locked loop, or PLL, is widely used in different areas of electronic system such as wireless transceivers which use PLL to generate carrier signals. Nowadays, the requirement for ever increasing data rate puts more ...

Design of Low-Voltage Broadband Folded Blixer for SDR Application 

Su, Zhan (2013-11-11)
Recent years, a large number of researches have been made on the software-defined radio (SDR) architectures. SDR is radio communication systems where typical functions have been implemented in hardware (e.g. mixers, filters, ...

Design of Reconfigurable Baseband Filter 

Jin, Xin (2010-11-19)
With the rapid development of worldwide wireless communication networks, mobile terminal devices compatible for multi-standard and various applications are needed. Software defined radio is a suitable answer to those demand. ...

Design of Wide Band Transformer-Based Oscillator and Capacitive Coupled Multi-Phase VCO 

Jiang, Rong (2013-11-11)
Since globe wireless demand is increasing rapidly, more delicate and functional radio frequency (RF) devices are required. Software defined radio (SDR) has been introduced to address the challenges in this complicated ...

Drain Current Noise Spectrum Measurement in 0.18 µm MOSFET Using Integrated SiGe HBT Low-Noise Transimpedance Amplifier 

Jingshan, Wang (2013-05-31)
We measured drain current noise power spectral density (PSD) in 0.18 µm metal oxide semiconductor field effect transistor (MOSFET) using integrated Silicon-Germanium (SiGe) Heterojunction Bipolar Transistor (HBT) low-noise ...

High Speed Low Power Pipelined SAR ADC with Time Domain Based Fine Quantizer 

Zhao, Haoyi (2022-12-05)  ETD File Embargoed
Due to the demanding requirements of speed, bandwidth, and power consumption of the latest-generation communication systems, designing analog integrated circuits serving the communication systems has become increasingly ...

High Speed ROM-Less Direct Digital Frequency Synthesizer 

Yu, Xuefeng (2009-08-04)
This dissertation presents a complete flow for design and evaluation of high speed direct digital frequency synthesizer (DDS). Though some ultra high speed DDSs have already been reported in the literature, to satisfy the ...

High-Performance SAR-Assisted Hybrid ADC with Time Domain Signal Processing 

Su, Zhan (2020-02-19)  ETD File Embargoed
This dissertation presents types of basic and advanced ADC architectures and raises a high-performance hybrid ADC solution which achieves comparable performance compared with many state-of-the-art ADC architectures. The ...

Implementation of High Speed SAR ADC with Proposed Efficient DAC Architecture 

Zhao, Haoyi (2017-07-27)
A novel, high performance SAR ADC architecture is designed and fabricated in 130nm SiGe technology and 45nm soi technology. In the beginning fundamentals of ADC (Analog-to-Digital Convertor) are introduced and several ...

Integrated Circuit Design for Ultrahigh Speed Frequency Synthesis: Direct Digital Synthesizer and Variable Frequency Oscillator 

Geng, Xueyang (2010-05-05)
This dissertation presents design and implementation of the high speed direct digital frequency synthesizer (DDS) and variable-frequency oscillator (VFO). DDS is a digital technique for frequency synthesis, waveform ...