Papers 2008–2026

The terahertz band (0.3 to 3.0THz) has been found to be spectroscopically rich with many substances possessing strong and unique absorption signatures useful for chemical and biomedical sensing applications [1-4]. Photon

sub-millimeter-wave frequency ranges are used in fast-scan rotational spectroscopy to detect gas molecules and measure their concentrations [1]. This technique can be used for indoor air quality monitoring, detection of

IHP, Frankfurt, Germany 1 2 Silicon technologies have already been employed in state-of-the-art THz imagers. However, their optical resolution was restricted to millimeters by the diffraction limit [1,2], and THz super-r

Dennis Sylvester2, David Blaauw2, David Fick1, Michael B. Henry1 Isocline, Austin, TX, 2University of Michigan, Ann Arbor, MI 1 Many signal processing applications involve manipulating a large amount of data to generate

Matrix multiplication, enabled by multiply-and-accumulate hardware, is ubiquitous in signal processing, computer graphics, machine learning, and optimization. Many important applications with inherent robustness to reduc

devices, such as stereo and time-of-flight (ToF) cameras, measure distances to the observed points and generate a depth image where each pixel represents a distance to the corresponding location. The depth image can be c

Reaching a power efficiency of 1mW/Gb/s has proven difficult for wireline transceivers operating at tens of gigabits per second. At 40Gb/s, recent receivers consume from 150mW [1] to 1W [2]. This paper describes a receiv

I/O receivers routinely equalize ISI over 10 or more post-cursor UI. IIR DFEs are a low-power technique for canceling long post-cursor ISI tails, and have been demonstrated compensating over 20dB loss at fbit/2 up to 10G

Marcel Kossel, Thomas Morf, Lukas Kull, Alessandro Cevrero, Hazar Yueksel, Ilter Oezkaya, Danny Luu, Thomas Toifl IBM Zurich Research Laboratory, Rüshlikon, Switzerland The demand for energy-efficient I/O link transceive

Schwarz, Munich, Germany, 4 Finisar, Berlin, Germany, 5TU Berlin, Berlin, Germany 1 2 Long-haul optical links are experiencing a transition to coherent techniques because they enable the use of modulation techniques with

STMicroelectronics, Pavia, Italy, 2University of Pavia, Pavia, Italy 1 The ever-increasing data center IP traffic, up to 8.6 zettabytes per year by 2018 with nearly 3× growth since 2013 [1], requires power-efficient high

Sabarish Sankaranarayanan, Chaofeng Huang, Minghui Han, Gaurav Malhotra, Jalil Kamali, Amir Amirkhany, Wei Xiong Samsung Semiconductor, San Jose, CA The continuous increase in the resolution, color depth and refresh rate

Proximity communication offers the convenience of a connector-less high-speed interface using energy-efficient mixed-signal transceivers [1-4]. Such interfaces are attractive for ultra-thin handheld/mobile devices with z

Seong-Joong Kim, Mrunmay Talegaonkar, Romesh Nandwana, Ahmed Elkholy, Da Wei, Timir Nandi, Pavan Kumar Hanumolu University of Illinois, Urbana-Champaign, IL Dynamic voltage and frequency scaling (DVFS) [1] and burst-mode

Vijay Viswam, Jelena Dragas, Amir Shadmani, Yihui Chen, Alexander Stettler, Jan Müller, Andreas Hierlemann ETH Zurich, Basel, Switzerland Various CMOS-based micro-electrode arrays (MEAs) have been developed in recent yea

Bogdan Raducanu1,2, Marco Ballini1, Alexandru Andrei1, Simone Severi1, Marleen Welkenhuysen1, Chris Van Hoof1,2, Silke Musa1, Refet Firat Yazicioglu1 imec, Leuven, Belgium, 2KU Leuven, Heverlee, Belgium 1 In vivo recordi

Cluster of Excellence, Freiburg, Germany 1 2 Functional electrical stimulation (FES) is a technique that stimulates nerves by electrical charge, but carries the risk of charge accumulation, voltage pile-up, electrode cor

Event-driven DSPs have the advantage of activity-dependent power consumption

Long Yan1, Alper Bozkurt3, Chris Van Hoof1,2, Nick Van Helleputte1, Refet Firat Yazicioglu1, Marian Verhelst2 imec, Leuven, Belgium, 2KU Leuven, Leuven, Belgium, North Carolina State University, Raleigh, NC 1 3 Heart rat

applications for broader light emission and low fabrication cost. In addition, Organic Photo Detector (OPD) and OLED can be fabricated on the same substrate with the same process and the OLED film itself can be used for

Brian Kim, Kuanfu Chen, Parag Gad, V. Reggie Edgerton, Wentai Liu University of California, Los Angeles, CA Epidural spinal stimulation has shown effectiveness in recovering the motor function of spinal cord transected r

devices to cut the last wire. Resonant wireless power transfer (R-WPT) using magnetic resonance emerges as a promising approach, as it provides spatial freedom and can charge multiple devices simultaneously. ISM-band fre

Ubiquitous Internet-of-Everything (IoE) applications require low-cost, miniature sensors with long lifetimes. Wirelessly-powered ICs that harvest energy from an RF beacon or from existing wireless signals can address cha

to miniature implantable sensor systems such as [1]. To recharge batteries of such systems, wireless power transfer is a popular option since it is non-invasive. However, there are two main challenges: 1) strict safety r

extend system lifetime for internet of everything (IoE) nodes. Ambient light is a common energy source that can be harvested by photovoltaic (PV) cells. However, light intensity varies widely depending on location, rangi

Analog Devices, Wilmington, MA, 3 Analog Devices, San Jose, CA 1 2 Energy harvesting has been considered to be a good solution to power many IoE applications [1-3]. Some applications require regulated supply voltage, whi

Improvement Daniel A. Sanchez1, Joachim Leicht1, Eduardas Jodka1, Elham Fazel1, Yiannos Manoli1,2 University of Freiburg - IMTEK, Freiburg, Germany, Hahn-Schickard, Villingen-Schwenningen, Germany 1 2 A piezoelectric ene

The switched-capacitor power converter, also called a charge pump (CP), features no off-chip components and is suitable for the monolithic smart nodes in the internet of everything (IoE) [1]. To reduce the inevitable cha

Nowadays, current passive mixers represent the state of the art for signal downconversion in wireless receivers. In such kind of structures, noise, distortions and losses are strictly correlated to the performance of the

seeks to address several key challenges of 4G and 5G mobile systems [1]. The basic principle is shown in Fig. 20.8.1. Duplexer isolation is achieved when the signals in paths 1 and 2 cancel and prevent the TX signal from

constant supply voltage, has raised interest in enhancing the overall SM-PA efficiency. In the average-powertracking (APT) method, a buck converter simply generates stair-case voltages for a PA according to its required

driving fifthgeneration (5G) wireless standardization towards the deployment of gigabit-per-second mm-Wave technology by 2020. Paving the road to 5G, 200m coverage in non-line-of-sight (NLOS) urban cells was demonstrated

CMOS technology innovations over the last decades opened doors to the possibility of designing fully integrated systems in CMOS at THz frequencies. Small antenna sizes at THz frequencies make CMOS and silicon attractive

Southeast University, Nanjing, China to the TA high gain, the detection inaccuracy of Δt due to the circuit mismatch in PD and CP2 becomes negligibly small. VCCP is designed as a voltage-controlled current source as show

A frequency-agile mm-Wave power amplifier capable of reconfiguring itself to operate near-optimally over a wide range of tunable frequencies, yet producing output power >22dBm with PAE>20%, is useful for a wide range of

To allow a maximum theoretical data-rate of 25Gb/s over a 1km distance using 64QAM, an E-Band system should feature a 20dBm-output-power TX and an RX with 10dB maximum noise figure (NF) over two bands of 5GHz from 71 to

Shinsuke Hara2, Akifumi Kasamatsu2, Koichi Mizuno3, Kazuaki Takahashi3, Takeshi Yoshida1, Minoru Fujishima1 Hiroshima University, Hiroshima, Japan, National Institute of Information and Communications Technology, Koganei

Universität München, Munich, Germany 1 4 Digital-to-time converters (DTC) generate a clock with a time delay (or phase shift) based on a digital input code. They can be used in clock-and-data-recovery (CDR) circuits [1,2

Virginia Tech, Blacksburg, VA Injection-locked oscillators (ILOs) are widely used to realize low-noise carrier sources, particularly at mm-Waves by leveraging harmonic injection, but only within a narrow locking range (Δ

Instituto Superior Tecnico, Lisbon, Portugal 1 3 Ring-VCOs (RVCOs) [1] have been avoided for over a decade for highperformance RF systems due to their much lower FOM (<165dB [2]) than that of their LC counterparts from l

Wideband mm-Wave and terahertz (THz) applications, including high data-rate communications, high-resolution radar and spectroscopy, require wideband signal sources. Nevertheless, low quality factor of varactors and lossy

An LC oscillator can achieve near optimal performance if the common-mode of the circuit is designed to resonate at twice the oscillation frequency [1-3]. Common-mode resonance can be accomplished with an explicit tail in

STMicroelectronics, Catania, Italy The flourishing of ubiquitous wireless communication networks has pushed the development and deployment of complex RF telecom systems. Concurrently, the IC industry has been making an e

tuning range compared with LC-VCO-based PLLs. However, they typically have higher jitter and larger frequency drift due to high sensitivity to PVT variations. Several PLL architectures were proposed to reject the phase n

Demonstrations of mm-Wave arrays with >50 elements in silicon has led to an interest in large-scale mm-Wave MIMO arrays for 5G networks, which promise substantial improvements in network capacity [1,2]. Practical conside

Richard Al Hadi1, Yanghyo Kim1,2, Adrian Tang1,2, Theodore Reck2, Huan-Neng Chen3, Chewnpu Jou3, Fu-Lung Hsueh3, Mau-Chung Frank Chang1,4 University of California, Los Angeles, CA, Jet Propulsion Laboratory, Pasadena, CA

generators in analog, digital, RF, and embedded systems to generate a high frequency output clock from a low frequency reference clock. Modern systems-on-chip (SoCs) require many such PLLs that cater to multi-core proces

an all-digital PLL (ADPLL). In such studies, a key topic relates to the resolution and linearity of the TDC. Power-hungry techniques, such as a Vernier delay line (VDL) and a time amplifier (TA) [1,2], have been proposed

Clock power remains a substantial contributor to power dissipation, from ultralow-power to high-performance systems [1, 2, 3]. Recently, resonant clocking has been shown to achieve power reduction in clock distribution n

Phase-locked loops (PLLs) are widely used in various applications such as processors, consumer electronics, and wireline communication systems. When digital circuits and a PLL with a ring oscillator are integrated togeth