Browsing by Author "Dai, Fa"

Now showing items 21-37 of 37

Integrated Circuit for Time Domain Mixed Signal Processing

Wang, Hechen (2018-04-17)

This work explores time to digital conversion techniques, designs and applications for time domain signal processing. Though the time-to-digital conversion devices and integrated circuits (IC) have been invented for decades, ...

Low Noise, Low Power Capacitive-Coupling Quadrature Voltage-Controlled Oscillator for Phase-Locked Loops

Zhao, Feng (2012-11-06)

This dissertation presents the analytical results and design details of two quadrature voltage-controlled oscillators (QVCO). It uses capacitive quadrature-coupling technique to couple two voltage-controlled oscillator ...

Low Phase Noise Voltage-Controlled Oscillators for Wide-Band Frequency Synthesis

Wang, Hechen (2013-11-11)

Noise-bandwidth trade-off is a challenge issue in modern voltage-controlled oscillator (VCO) designs. Wide-tuning VCOs usually suffer degraded phase noise. A mixer based tuning range enhancement technology is proposed in ...

Low-Power, High-Performance Frequency Dividers for a Phase-Locked Loop

Daniels, Kyle (2020-03-16)

The world embraces the dawn of 5G implementation, and there is much work to be done. Companies, researchers, engineers, and many more posterities of people are pressing into high-frequency ranges, which presents a plethora ...

Multi-phase Clock Generation Techniques Based on Coupled Oscillators

Jiang, Rong (2017-11-20)

This dissertation presents high-performance coupled-oscillator systems based on the LC oscillator, and covers both the theoretical analysis and the implementation. To that end, it starts with the introduction of both the ...

Power control, Neighbor Discovery, and Backup Scheme for Emerging Wireless Networks

Wang, Yu (2020-08-04)

With the booming wireless applications and services there has been a drastic increase in mobile data in recent years, as observed in several industrial white papers (e.g., Cisco Visual Network Index Report and Qualcomm’s ...

Radio Frequency Integrated Circuits for Wireless and Wireline Communications

Kakani, Vasanth (2007-12-15)

This dissertation presents my studies in design of high frequency circuits for wireless and wireline communication systems. As a part of this effort a seven tap transversal filter has been designed using broadband amplifiers. ...

Reducing ATE Test Time by Voltage and Frequency Scaling

Venkataramani, Praveen (2014-03-20)

During wafer sort, the fabricated chips are subjected to tests that verify if they meet the design specification. Test application time plays a critical role while verifying large volume of dice in a given period of time. ...

RF Characterization and Modeling of 14nm RF FinFETs

Zhang, Jiabi (2019-12-04) ETD File Embargoed

This work focuses on the characterization and compact modeling of RF characteristics of both n- and p-channel transistors fabricated using 14-nm FinFET technologies. DC I-V, as well as its higher order derivatives, C-V, ...

RF Reconfigurable Filter

Tong, Yucheng (2017-04-15)

In this paper, a fully differential noise-cancelling LNA (Low Noise Amplifier) with out-of-band rejection notch filter combined with a programmable gain-boost N-path bandpass filter is proposed. The wide-band noise-cancelling ...

RFIC Design for Software-Defined Radio Receiver Frontend

Liao, Dongyi (2013-11-11)

This thesis presents an RF receiver frontend with a 4-path passive mixer for software defined radio (SDR) applications. By utilizing frequency translation property of the passive mixer, the out of band interference experiences ...

SiGe HBT Parameter Extraction Using Mextram 505.00

Zhang, Anni (2018-04-24)

Applications of SiGe HBT need a robust model which can accurately describe the performance of SiGe HBT at various temperatures. Circuit simulation requires accurate transistor model and reliable parameters. This work ...

Small Signal Equivalent Circuit Extraction and RF Noise Analysis in 28nm High-k/ Metal Gate RF CMOS

Zhang, Huaiyuan (2015-12-10)

This work extracts RF noise in a 28nm high-k/metal gate RF CMOS technology using a small signal equivalent circuit. All extrinsic and intrinsic small-signal parameters are extracted from measured data as well as scaling ...

Stretch Processing Radar RFIC System Analysis and Front-end Design

Hubbard, Zachary (2012-04-16)

Current 0.13 u m SiGe BiCMOS technology allows for most of the components for an X- band radar to be fabricated on a single IC. This paper discusses system design and analysis of a stretch processing radar. The design ...

Testing and Diagnosis of CMOS Open Defects in the Presence of Common Hazards

Han, Chao (2015-07-29)

CMOS open defects are breaks in wires or defective transistors within some library cell causing pull up or pull down failure of the defective gates. Traditionally, TSOF (transistor stuck-open fault) is used to model such ...

Vernier Ring Time-to-Digital Converter Based Digital Phase Locked Loop

Yu, Jianjun (2011-11-22)

Digital phase-locked loops (DPLLs) recently are widely explored for wireless communication applications. Time-to-digital converter(TDC)-based DPLLs feature a high degree of integration, easy calibration and high programmability, ...

Wide Temperature Range SiGe HBT Noise Parameters Modeling and LNA Design

Ma, Rongchen (2015-06-24)

This work investigates SiGe HBT noise parameters and impedance matched Low-Noise Ampli ers(LNAs) intended for operation across a wide temperature range from 93 to 393 K. For the IBM 5AM technology used, noise performance ...