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IEEE Open Journal of Circuits and Systems
Scopus
ISSN 2644-1225 · IEEE · 285 artikel di indeks
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Artikel Jurnal
Equalization and Coding Techniques for Edge Modulation Signaling
This paper describes equalization, coding, and crosstalk reduction techniques for edge modulation signaling. We analyze the inter-symbol interference of edge modulation using enumeration method and present expressions for the error rate from inter-edge interference. We present receiver-side digital…
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Artikel Jurnal
A Connectivity-Aware Via-Programmable DNN Processor Using a Single Photomask
This paper presents a via-programmable DNN processor architecture, the Via-Programmable Neuron Array (VPNA), designed for low-NRE and low-power AIoT applications. To enable shared base-chip layouts across diverse workloads, a connectivity-aware design ensures tile-to-tile routing under a…
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Artikel Jurnal
Spur Analysis and Linearity Enhancement in Fractional-N Phase Locked Loops Through Parallel Sigma–Delta Modulators With Time Offsets
This article presents a theoretical framework for deriving simple analytical expressions for spurs resulting from second and third order nonlinearities in fractional-N phase locked loops (PLL). Furthermore, a previously proposed linearization technique where several sigma-delta modulators (SDMs)…
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Artikel Jurnal
Analog Convolution Circuit System Implemented With Capacitor Array Superposition
This paper presents an architecture for analog convolution computing based on fundamental series-parallel capacitor configurations. The convolution results are digitized through a capacitance-difference-to-digital converter (CDDC), enabling efficient analog-to-digital conversion. Furthermore, an…
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Artikel Jurnal
A High Gain Operational Amplifier With Dual-Tail Source Architecture for Fast Slewing
This work introduces an enhanced operational amplifier architecture in which four flipped voltage follower (FVF) cells act as adaptive tail current sources to improve the performance of a conventional current mirror (CM)-based design. The FVF cells dynamically boost the differential pair current…
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Artikel Jurnal
Thermal-Aware NoC for AI Computing: Tools, Algorithms, and Applications
The explosive growth of AI workloads elevates on-chip communication and heat dissipation to first-order constraints. This survey paper consolidates thermal-aware Network-on-Chip (NoC) design for AI computing across tools, algorithms, and applications. Concretely, we first assemble a reproducible…
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Artikel Jurnal
A SAR-Assisted Continuous-Time M-0 MASH Delta-Sigma Modulator With Digital-Domain Noise Leakage Shaping
Delta–sigma ( $\Delta \Sigma $ ) modulators are widely used in high-resolution analog-to-digital converters (ADCs). With continued technology scaling, digital-intensive $\Delta \Sigma $ architectures are increasingly favored over traditional analog-centric designs. This work presents a successive…
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Artikel Jurnal
Non-Iterative Square-Wave Modeling of Multistage CMOS Dickson Rectifiers for RF Energy Harvesting
Performance evaluation of UHF RF energy harvesters is limited by the complexity of analyzing rectifiers under sinusoidal excitation. This work presents a non-iterative square-wave-based analytical method for modeling multistage CMOS Dickson rectifiers. Closed-form expressions for output voltage…
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Artikel Jurnal
A Miniaturized Ingestible Capsule With Integrated ASIC for Energy-Efficient Sensing in the Gastrointestinal Tract
Recent efforts have focused on wireless ingestible sensing capsules, but challenges remain in miniaturization, sensor integration, and energy efficiency. This paper presents GISMO-A, an ingestible capsule integrating a custom-designed application-specific integrated circuit (ASIC) for low-power…
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Artikel Jurnal
Design of a Hybrid Asymmetric LMBA With High Linearity Based on Improved Particle Swarm Optimization Method
This paper presents an improved particle swarm optimization (PSO) method and applies it to the design of a hybrid asymmetric load modulated balanced amplifier (H-ALMBA) with high linearity. A description is provided of the H-ALMBA topology as well as the improved PSO method with individually…
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Artikel Jurnal
A GHz-Range Single-Bit Bandpass Delta-Sigma Modulator With FIR-DACs Achieving 64-dB SNDR Over 20-MHz Bandwidth
This paper presents the first circuit-level implementation of a continuous-time bandpass delta-sigma ( $\Delta \Sigma $ ) modulator featuring a bandpass finite impulse response (BP-FIR) DAC in the feedback path. Targeting RF-sampling receiver architectures for reconfigurable multi-band front-ends…
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Artikel Jurnal
A 73-dB PSR Trimless CMOS-Only Subthreshold Current-Mode Voltage Reference for Harsh-Environment Operation Using CTAT Current Subtraction
A new CMOS-only voltage reference, operating in current mode and leveraging subthreshold MOSFETs, is presented in this paper. In contrast to conventional solutions that sum PTAT and CTAT currents to provide a constant voltage reference, the proposed design introduces a zero temperature coefficient…
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Artikel Jurnal
A Comprehensive Survey on Canonical Signed Digit (CSD)-Based Multiplier Architectures: From Foundations to Modern Low-Power Implementations (1970–2025)
The goal of this research is to trace the evolution and development of multiplier-less architectures, utilizing the Canonical Signed Digit representation from the 1970s to modern implementations through 2025. This paper examines key advances in hardware optimization that aim to reduce computational…
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Artikel Jurnal
Cost-Effective and Space-Saving AC/DC Solid-State Relay Without Potential Separation
By design, solid-state relays are not subject to mechanical wear, exhibit no contact bounce or arcing, and are immune to shock and vibration. These properties enable their replacement of electromechanical relays in many applications. However, to fully exploit their potential, semiconductor-based…
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Artikel Jurnal
A Ping-Pong Integrating FFE for Wireline SerDes Applications
This paper presents a ping-pong current-integrating feed-forward equalizer (PPI-FFE) architecture for high-speed wireline receivers, enabling the realization of multi-tap analog FFE with reduced hardware complexity. By leveraging time-interleaved integration and ping-pong operation, the proposed…
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Artikel Jurnal
A Piecewise Linear Model of Loss Estimation for Switched-Inductor Power Management Integrated Circuits
This paper proposes a piecewise linear mathematical model for estimating power losses and power conversion efficiency in switched-inductor power management integrated circuits. By exploiting the parasitic resistance extracted from metal routing wires, vias, pads, and bonding wires as well as…
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Artikel Jurnal
An FPGA-Calibrated Modulo ADC for High-Dynamic-Range Signal Acquisition
Conventional analog-to-digital converters (ADCs) suffer from irreversible clipping when input amplitudes exceed their fixed full-scale range. Modulo ADCs address this by folding the input signal prior to quantization; however, stable hardware operation under deep-folding conditions and experimental…
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Artikel Jurnal
RRNS Arith Lib—Open-Source Redundant Residue Number System Arithmetics for Reliable Circuits
A Residue Number System (RNS) represents integers through a set of residues obtained by integer division using a predefined set of pairwise coprime moduli. RNS is well-known for enabling efficient carry-free arithmetic and representing large numbers with multiple shorter numerical values. By…
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Artikel Jurnal
An Adaptive-Resolution SAR ADC With Metastability-Sensing 1-bit TDC in 65-nm CMOS
We propose a metastability-sensing one-bit time-to-digital converter (TDC) for a successive-approximation (SAR) analog-to-digital converter (ADC) that detects a metastability-specific current in the comparator, gates its clock to stop the conversion cycle, and outputs partially resolved…
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Artikel Jurnal
The SpiNNaker2 Chip: A Many-Core Platform for Flexible and Scalable Brain-Inspired Computing
In deep learning, efficiency gets more and more important to compensate for the ongoing growth in model sizes and applications. Neuromorphic hardware has long been advocated as an upcoming alternative to deep networks, taking inspiration from the brain for achieving unprecedented energy efficiency…