High Performance Digital-input Class-D Amplifier

Class-D amplifiers have gained popularity for their high-power efficiency, exceeding 90%. Among them, digital-input Class-D amplifiers stand out due to their superior integration and increased immunity to electromagnetic interference (EMI). This project introduces a high-performance digital-input Class-D amplifier, aiming for a dynamic range...

A design of ultra-low phase noise CMOS oscillator based on series-resonance

The current trend in the state-of-the-art oscillators achieves low phase noise performance. Such stringent performance is demanded in modern Communication Systems. This thesis proposes the design of a CMOS oscillator achieving the ultra-low phase noise. This design is based on TSMC 40 nm technology, the supply voltage is 1.1 V, and the...

6G Beamforming Antenna-in-Package: Improving Efficiency using Direct Impedance Matching

As the world is getting used to 5G technology, 6G is already on the horizon. With the ultimate goal of very low latency communication and Tbps data rates, 6G supports new wireless technologies such as virtual and augmented reality and autonomous driving. In this new generation of wireless communication, high frequencies up to 100 GHz are used...

A 10-bit Digital to Time Converter with a Phase Noise Filter

The growing demand for asynchronous data communication leads to a growing demand for CDR systems to recover the sampling clock of the received data. The DTC in the CDR system is the main jitter source of the recovered data. A low-jitter DTC is required to generate data of low-jitter performance, calling for the application of a phase noise...

Improved CFAR Detector for Doppler-spread targets with Performance Evaluation Using Experimental Radar Dataset

Autonomous driving can bring revolutionary advancements in transportation, by making vehicles navigate and operate independently without human intervention. To achieve this, autonomous vehicles are equipped with sensors, including cameras, Light Detection and Ranging (LiDAR), and radar, which provide them with a comprehensive view of their...

CMOS Drivers for RF-DACs

This work describes a fully digital transmitter (DTX) for 5G mMIMO base stations that combines the strengths of high-speed digital CMOS with the high-power capabilities of a Monolithic Microwave Integrated Circuit (MMIC) high-voltage technology. This technology platform offers high integration and scalability for implementing Radio Frequency...

A High Speed DAC Architecture for Continuous Time Pipeline ADC

This thesis provides an investigation of the architecture and the design of the coarse DACs in continuous time pipeline (CTP) ADC to achieve high SFDR performance within a large bandwidth at sampling frequency of 4.8 GHz in TSMC 28nm technology.<br style="box-sizing: border-box"/> Mismatch errors of the coarse DACs in CTP ADC are very...

A Highly-Linear Low-Power Down-Conversion Receiver for Digital Transmitter’s Error Detection

Wireless data traffic is projected to steadily increase in the near future, necessitating the demand for transceivers with higher linearity and efficiency. Digital power amplifiers have the potential to achieve these higher efficiency demands while digital pre-distortion can be used to improve their linearity. Digital pre-distortion requires a...

Compact and Scalable Capacitorless Linear Voltage Regulator for Power Management Integrated Circuits

The current generation of power management integrated circuits require fully integrated, low cost and low power solutions for voltage regulation. As final blocks in the internal power supply chain, excellent performance linear voltage regulators are required, especially in terms of dynamic response and stability. Since many voltage regulators...

Design of Current-Mode RF/mm-wave Front-Ends

This thesis investigates the performance limits and design challenges of two current-mode front-end concepts that target WiFi and mm-wave 5G applications, respectively. The first concept is a power amplifier (PA), which operates at 2.4GHz and is driven by a direct-digital RF modulator (DDRM). A design for the PA, which also includes a parallel...

170-GHz Power Amplifier in 0.13-μm SiGe BiCMOS

In recent years, the demand for the wireless connectivity is increasing and leads to the research into the above 100GHz design. Developments have been made with the circuit and technologies to make the circuit operate at 100GHz. The current availability of silicon-based technologies providing devices with ft/fmax frequencies exceeding 300-GHz...

A 3-by-3 400-MHz LC microsensor array for wireless capacitive biosensing

Biosensing has been developed rapidly for a number of biomedical applications, including neural monitoring, protein detection, bacteria detection and blood glucose monitoring. Among the branches of bio-sensing, capacitive sensing is a promising technique and utilized widely, since it is rapid, simple, label free and inexpensive. Compared with...

An Ultra-Low Power Temperature to Digital Converter: for Medical Applications in 180 nm CMOS

This thesis describes the design of an ultra-low power temperature to digital converter. It is intended to monitor the excess heat produced during the wireless charging of implantable medical devices such as pacemakers. The TDC is designed to achieve an accuracy of ±0.1 °C (3 sigma) from 27 °C to 47 °C, and ±0.3 °C (3 sigma) from -40 °C to 85 °C...

An Error Feedback Noise Shaping SAR ADC

Analog-to-digital converters are important blocks in any electronic system which act as a bridge between analog signals and digital processors. The conventional SAR ADC employs a binary search algorithm and has emerged as the most suitable solution for low-power applications, due to its excellent power efficiency. The proposed ADC architecture...