技术领域

Wireless

293 篇相关论文 (2008–2026)

ISSCC 2026 Session 9 Wireless
A Multi-Coil Scalable Energy-Shared Wireless Power Receiver Network for Distributed Time-Division-Multiplexing Somatosensory Cortex Stimulation
Kai Cui, Yan Lu
Abstract This work presents a system-level scalable wireless power receiver (RX) network for miniaturized distributed somatosensory cortex stimulation. By interconnecting the power outputs of all RX cells in the network,
ISSCC 2026 Session 9 Wireless
An Output-Domain-Independent Single-Transmitter-Dual-Receiver Wireless Power Transfer System with Detuned-Tank and Time-Multiplexing Control for Adaptive Power Distribution
Yutang Chen, Yifan Lin, Dihu Chen, Jianping Guo
Abstract This paper presents an output-domain-independent single-transmitter-dual-receiver wireless power transfer system. The proposed detuned-tank and time-multiplexing control enable adaptive power distribution, preve
ISSCC 2026 Session 9 Wireless
A 91%-Efficiency Single-Stage Bipolar Quad-Output Regulating Rectifier with Event-Driven Output Power Enhancement via Coil-Reused DC-DC for Wireless Power Transfer
Tianqi Lu1, Bo Zhao2, Sijun Du1
Abstract A bipolar quad-output regulating rectifier for wireless power transfer (WPT) is presented. Using only five power switches, it provides four independently regulated bipolar outputs. A coil-reused DC-DC mode susta
ISSCC 2026 Session 9 Wireless
A Single-Power-Link 13.56MHz Wireless Power and Data Transfer System with Synchronized Phase-Shifted Time-Multiplexing Dual Uplinks for Implantable Voltammetry
Zhenhao Li1, Junyao Tang1, Nawab Singh2, Jianqiang Jiang1, Lei Zhao1, Wenshuo Zhu1, Xuan Sun1, Liang Dong2, Cheng Huang1
Abstract A 13.56MHz wireless power and data transfer (WPDT) system for implantable voltammetry sensor is presented. With the synchronized phase-shifted time-multiplexing technique, the system uses a single power link to
ISSCC 2026 Session 35 Wireless
Fully Integrated Backscattered WiFi 802.11b Transmitter with Active Harmonics and Image Rejection for 30dB IRR and 36dB HRR at 0.88µW
Ruiyuan Yang, Karim Ali, Massimo Alioto
Abstract A sub-μW fully integrated backscattered 802.11b WiFi transmitter is introduced with active image and harmonics rejection for common dense wireless environments. Rejection is achieved via time-domain complex filt
ISSCC 2026 Session 35 Wireless
A NearLink 2.0 Compliant Dual-Band RF Transceiver for Smart Wireless Personal Audio Applications
Rui Yu1, Supeng Liu1, Xuesong Chen1, Tantan Zhang1, Wei Khuen Chan1, Deyong Hu1, Haohong Yu1, Wang Yao1, Theng Tee Yeo1,
0-compliant dual-band RF transceiver. Compared with traditional BT/BLE counterparts, this design achieves receiver figures of merit (FOM) of 188.7dB in the 2.4GHz band and 185.2dB in the 5GHz band, exceeding the state-of
ISSCC 2026 Session 35 Wireless
A 0.052mm2 Blocker-Tolerant Non-Uniform Current Sub-Sampling Receiver with a Discrete-Time FIR/IIR Filter Enabling 56dB Rejection in 28nm CMOS
Mostafa Ayesh1,2, Mike Shuo-Wei Chen2
052mm2 blocker-tolerant 18-to-22GHz non-uniform current subsampling (NUCSS) receiver featuring NU DT FIR/IIR filtering and equalized Gm-cells, addressing aliasing, noise folding, and alias/non-alias band blockers. Fabric
ISSCC 2026 Session 35 Wireless
A 20mg Battery-Free Crystal-Less Miniaturized TX System for Flying Insects Localization with 1.45km Range
Yi Shen, Steve Young, Demba Komma, Ryan Strohman, Rahul Narasimha, Jeongtaek Chang, Andrea Bejarano-Carbo, Yunfan Wang,
crystal-less localization tag with a 28nm TX IC, custom antenna, PV cells, and storage cap achieves 0.9m accuracy over 1.45km. Designed for tracking wasps, this system also enables unobtrusive monitoring of other small i
ISSCC 2026 Session 35 Wireless
CANCEL: A Cancellation-Aided Ambient IoT Nanopowered Communication System for Energy-Limited Tags
Hany Abolmagd1,2, Shih-Kai Kuo3, Md Nazmul Hasan1, Sreevatsank Kadaveru3, Aboozar Ghorbani Nejad1, Manideep Dunna3, Ata
Abstract This paper presents a system that breaks the trade-off between range and power present in conventional wireless backscatter systems caused by phase noise leakage at low intermediate frequencies (IFs). By employi
ISSCC 2026 Session 3 Wireless
A Simultaneous Wireless Power and Full-Duplex Data Transfer System Over a Single Inductive Link Achieving 17/3.4Mb/s and 61.1% Efficiency for Miniature Biomedical Implants
Tianqi Lu, Sijun Du
Abstract A single-link wireless power and full-duplex data transfer system is presented. Operating at 40.68MHz, it delivers >50mW maximum output power with 61.1% peak end-to-end efficiency while supporting 17Mb/s uplink
ISSCC 2026 Session 3 Wireless
An Ultrasound-Powering TX with Standing-Wave Peak Tracking Employing Adiabatic Power Sensing Achieving 82% Power-Tracking Accuracy and <90ms Settling Time for Brain Implants
Marios Gourdouparis1,2, Chengyao Shi1, Jiang Liu1, Yuming He1, Stefano Stanzione1, Wouter Serdijn2, Yao-Hong Liu1
Abstract An ultrasound powering TX ASIC for brain implants with autonomous on-chip standingwave peak tracking for RX power (PDL) regulation is presented. With a proposed adiabatic power-sensing scheme, the TX consumes 43
ISSCC 2026 Session 3 Wireless
A Battery-Powered Hybrid Resonant Pulse-Train Generator with Adaptive Frequency Tracking and Residual Energy Recycling for Ultrasonic Implants
Xiayang Li*1, Wenyu Peng*1, Limitha Kumar1, Xiaoxi Zhao1, Cheng Huang2, Sijun Du1
*Equally Credited Authors (ECAs) 1 Abstract This work presents a battery-powered hybrid resonant pulse-train generator for ultrasonic wireless power transfer (US-WPT) in implantable medical devices. The ASIC integrates a
ISSCC 2026 Session 3 Wireless
A Near-Field RF Reflection Transceiver ASIC for Continuous Unobtrusive Blood Pressure Monitoring
Yiming Han, Neelotpala Kumar, Linran Zhao, Jide Yinka Adebiyi, Linrui Jiang, Hao Lu, Gina Perkins, Hirofumi Tanaka, Deji
Abstract This work presents continuous, unobtrusive, and clinically accurate BP monitoring in a fully wearable form factor using an near-field RF reflection TRx ASIC in 65nm CMOS. The NRR approach enables noncontact moni
ISSCC 2026 Session 3 Wireless
A Multimodal Biosensing System-on-Chip with Integrated Wireless Transceiver and Power Management for Stress Monitoring
Min-Hua Chang*1, Lin Chou*1, Yen-Jen Liu1, Chen-Hsing Hsu1, Ying-Yu Yang1, Bo-Cheng Juan1, Guan-Yu Lin1, Yi-Jie Lin1, Ya
Abstract A highly integrated SoC incorporates ECG, PPG, GSR, and ECH biosignal acquisition interface circuits with a 920MHz, 2kb/s, 1.1µW WuRx, a 2.4GHz, 1Mb/s Tx, and a PMU with <5μs recovery time under 600μA-to-50mA lo
ISSCC 2025 Session 26 Wireless
A 17.7-to-29.5GHz Transceiver Front-End with 3.3dB NF and 20.2dBm OP1dB in 65nm CMOS
Botao Yang1, Nayu Li2, Yiwei Liu1, Hang Lu1, Huiyan Gao1, Shaogang Wang1,
Shanghai, China 4 Georgia Institute of Technology, Atlanta, GA 1 2 To support various emerging applications, such as 5G millimeter-wave (mm-wave) communications, low-earth-orbit (LEO) satellite communication (SATCOM), an
ISSCC 2025 Session 26 Wireless
A 24-to-29GHz Compact Transmit/Receive Front-End Module Featuring an Asymmetric Doherty Power Amplifier and 0.22mm2 Area
Xiaohan Zhang*, Ruizhe Wang*, Qiang Zhou*, Hao Guo, Chuan Shi, Taiyun Chi
*Equally Credited Authors (ECAs) The performance of mm-wave beamformers is largely determined by the front-end module (FEM), which integrates a power amplifier (PA), a low-noise amplifier (LNA), and a transmit/receive (T
ISSCC 2025 Session 26 Wireless
A Crystal-less Frequency-Modulation Transmitter IC with Joint Neural-Network-Driven Modulation and Coding for Low-Power Connectivity
Yi Shen, Boxuan Chang, Chien-Wei Tseng, Yunfan Wang, Qirui Zhang,
wireless communication solutions remain critical for applications like smart-home automation and wearable health monitors. While IoT gateways can provide high-performance RF transceivers and powerful digital processors f
ISSCC 2025 Session 26 Wireless
A Wideband Replicas-Rejection Digital Transmitter Using Joint-Digital-Analog Interpolation and Filtering in 28nm CMOS
Chunxiao Hu*, Jiaxiang Li*, Jie Lin, Hongtao Xu, Yun Yin
*Equally Credited Authors (ECAs) There are multiple wireless communication standards in the crowded sub-6GHz band and the trend of data throughputs is continuously increasing. In the last few years, digital transmitters
ISSCC 2025 Session 26 Wireless
A 24GHz Direct Digital Transmitter Using Multiphase Subharmonic Switching PA Achieving 3.2Gb/s Data Rate and -30.8dB EVM in 65nm CMOS
Soumya Mahapatra1, Mostafa Ayesh1, Ce Yang1, Mayank Palaria1, Shiyu Su1,2,
employment of K/Ka-band for sensing and communication purposes, such as 5G systems and radar applications, has gained increasing interest. These systems commonly make use of an array of transmitters (TX) and antennas, ea
ISSCC 2025 Session 11 Wireless
A 200MHz-BW Blocker-Tolerant Receiver with Fifth-Order Filtering Achieving 19dBm Adjacent-Channel IIP3
Liangbo Lei, Yanxiang Chen, Yijie Li, Zhiliang Hong, Yumei Huang
The fifth-generation (5G) New-Radio (NR) standard has been developed for high data-rate communication, with the RF channel bandwidth (BW) extending to several hundred megahertz. In this context, the presence of blockers
ISSCC 2025 Session 11 Wireless
A Gm-C RF Quadrature-Current-Generation Technique with 40dB IRR in 0.65V 2mW Multi-Mode CMOS GNSS Receiver
Chao Chen1, Wenchen Xiang2, Yan Zhao1, Xiaodong Su2, Jiuchun Chen2, Jun Yang1
Nanjing Low Power IC Technology Institute, Nanjing, China 1 2 For wearable devices such as GNSS bracelets and BLE headsets, the pursuit of lowering power consumption is an everlasting research topic [1-5]. Innovated topo
ISSCC 2025 Session 11 Wireless
A Compact Full-Duplex Receiver with Wideband Multi-Domain Hilbert-Transform-Equalization Cancellation Based on Multi-Stage APFs Achieving 65dB SIC Across 120MHz BW
Xingyu Ma, Wei Li, Shijiao Dong, Ruiyu Lyu, Fan Chen, Yunyou Pu,
efficiency, selfinterference-cancellation (SIC) techniques have received great attention to break through the main bottleneck caused by SI signals. The main issue of SIC techniques is how to broaden product of delay and
ISSCC 2025 Session 11 Wireless
A Blocker-Tolerant Receiver with VCO-Based Non-Uniform Multi-Level Time-Approximation Filter with -36dB EVM in 28nm CMOS
Ce Yang1,2, Shiyu Su1,3, Mostafa Ayesh1, Soumya Mahapatra1, Maysara Hamada1,
of Waterloo, Waterloo, Canada 1 2 The growing demand for wirelessly connected devices and networks has resulted in increasingly crowded spectrum, and hence blocker-tolerant receivers have drawn more attention. The undesi
ISSCC 2025 Session 11 Wireless
A 256-Element Ka-Band CMOS Phased-Array Receiver Using Switch-Type Quadrature-Hybrid-First Architecture for Small Satellite Constellations element quadrature hybrid when the switches are turned off in quadrature-hybrid mode. On the other hand, in through mode, the midpoint of the two inductors can be connected to the grounds by turning the switches on. As a result, signals input to the IN H and IN V ports will flow to the OUT L/H and OUT R/V ports respectively after a 45-degree phase shift.
Sena Kato1, Jill Mayeda1, Keito Yuasa1, Michihiro Ide1, Takeshi Ota1, Shu Date1,
Yudai Yamazaki1, Xiaolin Wang1, Xi Fu1, Dongwon You1, Makoto Higaki2, Jumpei Sudo2, Hiroshi Takizawa2, Masashi Shirakura2, Takashi Tomura1, Hiroyuki Sakai1, Kazuaki Kunihiro1, Kenichi Okada1, Atsushi Shirane1 By placing
ISSCC 2024 Session 5 Wireless
A Stacking Mixer-First Receiver Achieving >20dBm Adjacent-Channel IIP3 Consuming less than 25mW
Stef van Zanten, Ronan van der Zee, Bram Nauta
The sub-6GHz spectrum is used by many standards including 5G New Radio. In this crowded spectrum, an RX requires good linearity and flexibility to address different bands without separate SAW filters, whilst maintaining lo
ISSCC 2024 Session 5 Wireless
A 22.4-to-30.7GHz Phased-Array Receiver with Beam-Pattern Null-Steering and Beam-Tracking Techniques Achieving >30.2dB OTA-Tested Spatial Rejection
Yiming Yu, Bohan Sun, Mengqian Geng, Chenxi Zhao, Huihua Liu, Yunqiu Wu,
environments often suffer from spatially diversified interference, which leads to saturation and non-linear distortion in the RXs. One commonly used approach to mitigate this issue is the application of sidelobe suppressi
ISSCC 2024 Session 5 Wireless
A 0.072mm2 18-to-21GHz Non-Uniform Sub-Sampling Receiver with a Non-Uniform Discrete-Time FIR Filter Achieving 42dB Blocker Rejection in 28nm CMOS
Mostafa Ayesh, Soumya Mahapatra, Ce Yang, Mike Shuo-Wei Chen
Conventional wireless receivers employing a heterodyne/homodyne architecture or Npath filter often result in a significantly higher area and power overhead owing to the requirement of LO generation and distribution at high
ISSCC 2024 Session 5 Wireless
-to-4GHz Harmonic-Resilient Receiver with Built-In HR at Antenna and BB Achieving +14/+16.5dBm 3rd/5th IB Harmonic B1dB
Soroush Araei, Shahabeddin Mohin, Negar Reiskarimian
Widely tunable and reconfigurable receivers are heavily in demand both for highperformance and low-power applications such as 5G New Radio and IoT. One of the crucial features required for a widely tunable RX is the abili
ISSCC 2024 Session 5 Wireless
A 5-to-16GHz Reconfigurable Quadrature Receiver with 50% Duty-Cycle LO and IQ-Leakage Suppression
Hao Xu1,2, Junyan Bi1, Tenghao Zou1, Weitao He1, Yaxin Zeng1, Junjie Gu1,
Agile multi-functional RF systems supporting multiple communication and radar protocols are of greater demand in modern wireless applications. The core of these systems is the transceiver IC that covers an ultra-wide fre
ISSCC 2024 Session 27 Wireless
A Wireless Power Transfer System with Up-to-27.9% Efficiency Improvement under Coupling Coefficient Ranging from 0.1 to 0.39 Based on Phase-Shift/Time-Constant Detection and Hybrid Transmission Power Control
Yutang Chen, Yuxuan Luo, Yifan Lin, Lei Shao, Dihu Chen, Jianping Guo
Wireless power transfer (WPT) is a convenient way to power the wearable/portable devices with water/dusty-proof requirement. The end-to-end (E2E) efficiency ηE2E is a key specification of WPT system. A compact and efficient
ISSCC 2024 Session 27 Wireless
A 13.56MHz Wireless Power Transfer System with Hybrid Voltage-/Current-Mode Receiver and Global Digital-PWM Regulation Achieving 150% Transfer Range Extension and 72.3% End-to-End Efficiency
Tianqi Lu, Sijun Du
Wireless power transfer (WPT) shows extensive applications in sub-100mW batteryless biomedical implantable devices, where the robustness against variations in coupling and load conditions is still an unsolved and crucial
ISSCC 2024 Session 27 Wireless
A 90.8%-Efficiency SIMO Resonant Regulating Rectifier Generating 3 Outputs in a Half Cycle with Distributed Multi-Phase Control for Wirelessly-Powered Implantable Devices
Hyun-Su Lee, Kyeongho Eom, Hyung-Min Lee
Wirelessly-powered implantable medical devices (IMDs) have recently embraced a 1stage resonant regulating rectifier (R3) to enhance power conversion efficiency (PCE), replacing the prior 2-stage structure comprising an ac-
ISSCC 2024 Session 27 Wireless
A 6.78-MHz 79.5%-Peak-Efficiency Wireless Power Transfer System using a Wireless Mode-Recognition Technique and a Fully-On/off Class-D Power Amplifier
Junfei Ge, Yu Lu, Ruoshu Yang, Dongfang Pan, Lin Cheng
Wireless power transfer (WPT) systems are increasingly favored for applications such as implantable devices and portable electronics. In these systems, local voltage regulation on the receiver (RX) side ensures a well-re
ISSCC 2024 Session 27 Wireless
A Differential Hybrid Class-ED Power Amplifier with 27W Maximum Power and 82% Peak E2E Efficiency for Wireless Fast Charging To-Go
Fangyu Mao, Rui Martins, Yan Lu
Portable power banks with wireless charging are popular on the market, targeting a wireless charging to-go experience. However, the low input voltage from the battery and the large equivalent series resistance (ESR) of t
ISSCC 2023 Session 18 Wireless
A 4×4 607GHz Harmonic Injection-Locked Receiver Array Achieving 4.4pW/√Hz NEP in 28nm CMOS is beneficial for THz applications as they typically have limited available illumination power.
Ariane De Vroede, Patrick Reynaert
As illustrated in Fig. 18.4.4, the angular resolution of the optical setup depends on two properties: the pixel-beam-separation (PBS) angle φPBS and the half-power beamwidth (HPBW) θHPWB. For the optical setup in Fig. 18
ISSCC 2023 Session 18 Wireless
71-to-89GHz 12Gb/s Double-Edge-Triggered Quadrature RFDAC with LO Leakage Suppression Achieving 20.5dBm Peak Output Power and 20.4% System Efficiency
Bingzheng Yang, Zhixian Deng, Huizhen Jenny Qian, Xun Luo
The growing demand of millimeter-wave (mm-wave) wireless transmission leads to the requirement of low-cost, high-efficiency, and multi-Gb/s data-rate wireless systems. Allocated by the Federal Communications Commission (
ISSCC 2023 Session 18 Wireless
A 128Gb/s 1.95pJ/b D-Band Receiver with Integrated PLL and ADC in 22nm FinFET
Abhishek Agrawal1, Amy Whitcombe2, Woorim Shin3, Ritesh Bhat1,
Somnath Kundu1, Peter Sagazio1, Hariprasad Chandrakumar1, Thomas Brown1, Brent Carlton1, Christopher Hull4, Steven Callender1, Stefano Pellerano1 Intel, Hillsboro, OR, 2Intel, Santa Clara, CA, 3now with Apple, Sunnyvale,
ISSCC 2023 Session 18 Wireless
A W-Band Transceiver Array with 2.4GHz LO Synchronization Enabling Full Scalability for FMCW Radar
Jingzhi Zhang, Ajay Singhvi, Sherif S. Ahmed, Amin Arbabian
Closing the angular resolution gap between CMOS radar and optical imaging systems can enable an entirely new cost-effective radar-centric perception solution, but requires extremely large transceiver (TRX) arrays to achi
ISSCC 2022 Session 14 Wireless
A 68.3% Efficiency Reconfigurable 400-/800-mW Capacitive Isolated DC-DC Converter with Common-Mode Transient Immunity and Fast Dynamic Response by Through-PowerLink Hysteretic Control
Junyao Tang, Lei Zhao, Cheng Huang
Galvanically isolated voltage regulators (GIVRs) are widely used in industrial automation, electric vehicles, and medical devices to deliver power to low-voltage circuits across isolated domains and ensure human safety a
ISSCC 2022 Session 14 Wireless
A 1.2W 51%-Peak-Efficiency Isolated DC-DC Converter with a Cross-Coupled Shoot-Through-Free Class-D Oscillator Meeting the CISPR-32 Class-B EMI Standard
Dongfang Pan1, Guolong Li1, Fangting Miao1, Wei Sun1, Xiaohan Gong2,
interference (EMI) is essential for isolated DC-DC converters that are used in the harsh industrial environments. To pass the CISPR 32 Class-B EMI standard, a 4-layer PCB with a stitching capacitor implemented by the int
ISSCC 2022 Session 14 Wireless
A 27W D2D Wireless Power Transfer System with Compact Single-Stage Regulated Class-E Architecture and Adaptive ZVS Control
Xiaofei Ma1,2, Yan Lu2, Wing-Hung Ki1
University of Macau, Macau, China 1 2 Compact and high-power bidirectional wireless power transfer (WPT) systems are desirable for mobile device-to-device (D2D) wireless fast charging. Prior WPT solutions [1-3] with inte
ISSCC 2022 Session 14 Wireless
2-Tx Digital Envelope-Tracking Supply Modulator Achieving 200MHz Channel Bandwidth and 93.6% Efficiency for 2G/3G/LTE/NR RF Power Amplifiers
Jun-Suk Bang*, Dongsu Kim*, Jeongkwang Lee, Sungyoub Jung,
Younghwan Choo, Seungchan Park, Young-Ho Jung, Jae-Young Ko, Takahiro Nomiyama, Jongbeom Baek, Jaeyeol Han, Sang-Han Lee, Ik-Hwan Kim, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho Samsung Electronics, Hwaseong, Korea *
ISSCC 2022 Session 14 Wireless
A 2.5−5MHz 87% Peak Efficiency 48V-to-1V Integrated Hybrid DC-DC Converter Adopting Ladder SC Network with CapacitorAssisted Dual-Inductor Filtering
Chen Chen, Jin Liu, Hoi Lee
With the rapid developments in big data analytics, non-isolated 48V-to-1V converters offer a competitive choice to support the increased power consumptions in CPUs and memories. For realizing a small output-to-input conv
ISSCC 2022 Session 14 Wireless
A Monolithic GaN Direct 48V/1V AHB Switching Power IC with
Auto-Lock Auto-Break Level Shifting, Self-Bootstrapped
Hybrid Gate Driving, and On-Die Temperature Sensing Dong Yan, D. Brian Ma University of Texas at Dallas, Richardson, TX With 10-to-100-fold lower switching figure of merit (QGate$RON), GaN transistors present tremendous
ISSCC 2022 Session 14 Wireless
A 110V/230V 0.3W Offline Chip-Scale Power Supply with Integrated Active Zero-Crossing Buffer and Voltage-IntervalBased Dual-Mode Control
Christoph Rindfleisch, Bernhard Wicht
This paper presents an efficient and compact offline chip-scale power supply in 0.18µm high-voltage (HV) silicon-on-insulator (SOI) technology, suitable to supply IoT nodes, sensors, RF transceivers, LED strings, etc. fr
ISSCC 2022 Session 14 Wireless
A Monolithic GaN-Based Driver and GaN Power HEMT with Diode-Emulated GaN Technique for 50MHz Operation and Sub-0.2ns Deadtime Control
Yu-Yung Kao1, Tz-Wun Wang1, Sheng-Hsi Hung1, Yong-Hwa Wen1,
Taiwan 1 2 Monolithic gallium-nitride (GaN) high-electron-mobility transistors (HEMTs) have become popular due to their low parasitic capacitance, low on-resistance (RON), and no reverse recovery charge loss for high-fre
ISSCC 2021 Session 33 Wireless
A Hybrid Switching Supply Modulator Achieving 130MHz Envelope-Tracking Bandwidth and 10W Output Power for 2G/3G/LTE/NR RF Power Amplifiers
Dongsu Kim, Jun-Suk Bang, Jongbeom Baek, Seungchan Park,
Young-Ho Jung, Jaeyeol Han, Ik-Hwan Kim, Sung-Youb Jung, Takahiro Nomiyama, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho Samsung Electronics, Hwasung, Korea Envelope tracking (ET) is a key technology improving efficien
ISSCC 2021 Session 33 Wireless
A Decentralized Daisy-Chain-Controlled Switched-Capacitor Driver for Microrobotic Actuators with 10× Power-Reduction Factor and Over 300V Drive Voltage
Yanqiao Li, Benjamin L. Dobbins, Jason T. Stauth
Electrostatic and piezoelectric actuators are used in a number of mm- and cm-scale robotic applications due to their relatively high energy-density at small size and weight [1-3]. Such transducers typically require high
ISSCC 2021 Session 33 Wireless
A Frequency-Splitting-Based Wireless Power and Data Transfer IC for Neural Prostheses with Simultaneous 115mW Power and 2.5Mb/s Forward Data Delivery
Yechan Park1, Seok-Tae Koh1, Jeongeun Lee2, Hongkyun Kim1, Jaesuk Choi1,
electrical cochlear implants (CIs) have given >500,000 patients worldwide a better life to date. However, the electrical neural stimulation has limited spatial resolution due to the spread of stimulation current, which r
ISSCC 2021 Session 33 Wireless
A Wireless Power Transfer System with Up-to-20% LightLoad Efficiency Enhancement and Instant Dynamic Response by Fully Integrated Wireless Hysteretic Control for Bioimplants
Junyao Tang, Lei Zhao, Cheng Huang
Wireless power transfer (WPT) systems are becoming increasingly popular for sub100mW biomedical applications [1-5]. Because the received power is sensitive to coupling and loading conditions, power/voltage regulations ar