category » Circuits & Systems
A variety of compact MOSFET models are used for circuit simulation in both industry and academia, ranging from standard industrial…
Historically, digital logic devices are benchmarked by the on-state current (Ion) at specified off-state current (Ioff) and supply voltage (Vdd)…
Over the last decade, quantum information experiments with trapped ions have demonstrated essential steps towards quantum computing and quantum simulation…
The high-frequency variability characterization of MOSFETs is becoming more necessary due to new process developments such as high-K metal gates,…
Technology scaling has enabled low-power operations in digital integrated circuits. Therefore, the trend to move analog-to-digital operations upstream to allow…
Electromechanical resonators such as quartz crystals, surface acoustic wave (SAW) resonators, and ceramic resonators have become essential components in electronic…
As continued scaling becomes increasingly difficult, 3D integration has emerged as a viable solution to achieve higher bandwidth and power…
An ultrasound image is formed from a collection of ultrasonic beams transmitted and received by an array of transducer elements. …
Malaria prevails mainly in the countries that lack proper medical facilities, and it kills about a million people worldwide a…
Microsensor networks have applications ranging from environmental and industrial monitoring to wearable and implantable medical devices. Despite the breadth of…
Low-power portable electronics such as implantable medical devices require low-access-energy non-volatile memory to deliver longer battery lifetime and richer functionality….
On-chip memories are responsible for a large portion (40% by many estimates) of the total energy consumption and area of…
The use of video is becoming an important part of today’s world, and consumers are constantly demanding high-definition performance. In…
Circuits for wearable vital sign monitors have very stringent requirements on power dissipation due to limited energy storage capacity. Extending…
During recent years, researchers of the Electronic Design Automation community have made a great effort to develop new techniques for…
Standard boundary element methods (BEMs) involve both an embarrassingly parallelizable system setup step and a linear system solving step of…
Thin Film Bulk Acoustic Resonators (FBARs) are widely used in the design of modern radio frequency components including duplexers, filters,…
Parameterized model order reduction (PMOR) techniques can generate compact models reflecting the impact induced by design or process variations [1]…
With modern digital communications applications moving towards increasingly high data rates, efficient spectral use requires modulation with dense constellations. The…
This project aims to develop a device to monitor tremor for treatment of neurological disorders such as Parkinson’s disease (PD)….
The proposed research program has two primary goals. The first goal is to improve the evaluation and treatment of patients…
With the continued communication systems trend towards high data rates come increasingly high signal bandwidths. If the carrier frequency is…
As process technology scales, the importance of material and architectural innovation for interconnect performance will continue to increase. Graphene has…
In zero-crossing based circuits (ZCBC), op-amps in pipelined ADCs are replaced with zero-crossing detectors (ZCDs). The closed-loop feedback provided by…
There is an ever-increasing demand for high resolution and high accuracy in A/D converters in communication systems. In order to…
Most current ultrasound imaging systems use piezoelectric materials for the ultrasound transducer. The recent development of micro-electromechanical systems (MEMS) allowed…
Technology scaling poses challenges in designing analog circuits because of the decrease in intrinsic gain and reduced swing. An alternative…
Energy efficiency and power savings are of paramount importance in the ever-increasing use of implantable and portable medical devices. Front-end…
Wireless communication technology is rapidly advancing, and new wireless applications are continuously developed. Figure 1 shows each application and the…
Under the pressure of increasing population, crowded traffic, the energy crisis, and environmental concerns, current transportation systems have run into…
Designing on-chip networks optimized for a cache coherence protocol is critical for many-core processors to achieve peak efficiency in energy,…
Recent technological advances in three-dimensional (3D) semiconductor fabrication have provided an implementation platform for powerful multicore, multiprocessor, and network-on-chip (NoC)…
We are investigating the performance of low-noise, high-power optoelectronic oscillators (OEO) using all slab-coupled optical waveguide (SCOW) components. The optoelectronic…
We have designed an ultra-low-power 32-channel neural recording system in a 0.18-µm CMOS technology. The system consists of eight neural…
To achieve comfortable form factors for wireless medical devices, battery size, and thus power consumption, must be curtailed. Often the…
The Capacitive Micromachined Ultrasound Transducer (CMUT) is an alternative to traditional piezoelectric transducers. The CMUT technology provides an opportunity for…
Epilepsy is a common chronic neurological disorder that affects about 1% of the world population [1] . It is characterized…
Vital signs such as heart rate, blood pressure, blood oxygenation, cardiac output, and respiratory rate are necessary in determining the…
Intracranial pressure (ICP) is a key factor in monitoring a patient’s cerebrovascular state. However, current ICP measurement modalities are highly…
With the escalating costs of hospital visits, clinicians are opting to use at-home monitoring devices to diagnose patients. Current ECG…
Implantable medical sensors are an emerging application area that exemplifies the stringent energy constraints imposed on wireless sensor circuits. In…
Power gating has become ubiquitous in ICs to reduce the power consumed by inactive CMOS logic circuits. However, the finite…
In today’s large systems-on-a-chip, communication infrastructure such as high-speed I/Os consumes a significant portion of power, limiting the amount left…
Organic semiconductor-based devices can easily be scaled to large areas and fabricated on flexible, elastic, and non-planar surfaces at low…
Optically transparent, wide band gap metal oxide semiconductors are a promising candidate for large area flexible electronics. Because most commercially…