Two Quantum bit Gate

A study about two Qubit (iSWAP) logic gate including the truth table, physical implementation, capacitance matrix, coupling strength and so on.

Synthesis of ladder-type DMS acoustic wave filters

The Double-Mode Surface Acoustic Wave (DMS) filter is an advanced RF filter used in mobile communications to manage signal transmission. It operates by using surface acoustic waves to filter specific frequencies, with a design that allows for multiple resonance modes. This leads to a broad passband and high selectivity, essential for reducing interference in applications like LTE and 5G networks. The seminar will focus on the design and synthesis of DMS filters, exploring techniques such as interdigital transducers (IDTs) and pitch modulation to enhance filtering efficiency and signal quality.

Clock generation circuit survey

Literature review of different types of the clock signal generation circuit, comparison could be made but not limited to: Analog vs Digital, Frequency, Power, Accuracy, and so on. The document should be written  with circuit architecture, principle analysis and performance comparison.

Energy-Efficient Direct RF-modulation transmitter in V-band

Conventional Gilbert-Cell based mixers are not suitable for ultra low-power battery-operated radio devices due to its high power consumption and hence it is desirable to perform modulation (OOK/ ASK) directly at the power amplifier end for such devices which eliminates the mixer usage. In this seminar you will perform a survey of such CMOS-based transmitter architectures operating in the V-band (40-75 GHz) and compare their performance.

Investigate the Time-Interleaved  ADC calibration techniques

Interleaving provides advantages in terms of power and speed. Unfortunately, due to process-voltage-temperature (PVT), the TI-ADC channel responses experience mismatches. The tasks of the seminar at a glance:

1.    Basic of TI-ADC operation

2.    Error sources in TI-ADC

3.    Introduce and compare the different calibration techniques

Investigate the radiation-induced errors in neural network

Thanks to the low power consumption, and low cost, artificial neural networks (ANNs) and convolutional neural networks (CNNs) are attractive for space applications, such as space exploration, and autonomous driving.  Unfortunately, the neural network based on the CMOS technology has been shown to have high radiation sensitivity. Therefore, those aspects are interesting to be investigated:

1.    Which radiation effects can influence the neural network’s accuracy

2.    How can we evaluate the radiation-included errors in different types of neural networks

3.    Are there any hardening strategy

Survey on CMOS Technologies for RF Switches

RF Switches are necessary components in modern RFFE systems. Solid-state RF switches
show advantages in reliability and cost. Compared to the semiconductor technologies for
general RF/analog application, different metrics of device should be taken into
consideration to optimize the performance of RF switch. This seminar should introduce
the key parameters for the RF switch devices and the evolution of the previous
technologies.

Survey on CMOS Capacitive

Capacitive sensors can be utilized for various applications such as proximity sensing,
humidity sensing or pressure sensing. A corresponding sensor interface circuit which
can read out the capacitance value and convert it to an analog or digital signal is
needed to integrate the sensor into a larger system. This seminar should investigate
the different topologies of the CMOS-based capacitive sensor interface circuits.
Comparison between different sensor interface circuits should be conducted with a
summary based on performances like resolution and power consumption.ensor Interface

Large Language Models for Time Series Data

Are pre-trained LLMs useful for Time series specific problems and why?

Investigation of Ring Oscillator(RO) performance at Cryogenic temperature (4K)

Oscillator is an important block of Phase Locked Loop (PLL). For quantum computing applications, a PLL based frequency synthesizer is used as a sub block of a big RF pulse generator ASIC. This ASIC is used to drive the qubits and it has to work at low temperatures (till 4 kelvin).  Aspects that would be interesting to  investigate in this seminar is:

(1) Study the low temperature performance of ring oscillators (RO) down to 4K (especially the delay per stage, static and dynamic current).

(2) Phase noise analysis down to 4K.

Jitter optimization techniques for medium frequency PLL’s (up to 10 GHz)

The direction of literature survey should be focused for LC VCO based PLLs. A comparison with jitter optimization and its influence to power should be made.

Methods for Signal Synchronization with regard to sEMG

With sEMG (surface electromyography), the electrical activity of the muscles is measured non-invasively by attaching electrodes to the skin. The EMG signal should be synchronized with other recordings in order to be able to understand which movements were performed by the test subject at which time of the EMG signal. This can be, for example, a video recording of the test subject or data from an IMU motion capture system. Various methods of synchronization are to be presented and compared in a literature review.

AI-based RFIC Transformer Design

Microwave RF transformers are critical components in wireless communication systems, responsible for impedance matching, signal coupling. By harnessing AI algorithms, the goal is to enhance the efficiency, performance, and reliability of RFIC transformer design while reducing development time and resource costs.

Hardware-induced noise model at 5G terminals

A 5G terminal hardware introduces noise and non-linearities to the signal during signal processing.  An accurate noise model is needed to mitigate their effects at the design stage. The antenna is one of the most important hardware components during signal processing at a 5G terminal. The task of this seminar work is to review the most widely used 5G terminal antenna noise and non-linearity models.

Multi-Level Pulse-Shaping for Ultrasonic Transducers

Capacitive micromachined ultrasonic transducers (CMUTs) offer many benefits in comparison to their piezoelectric counterparts. In the scope of this seminar, one should explore different architectures for multi-level pulse-shaping used for ultrasound transmission with fully integrated CMUT-ICs.