Voltage

A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI

A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI 150 150

Abstract:

This article presents a 6.3–18.4GHz in-phase and quadrature (I/Q) direct down-conversion receiver featuring reconfigurability in both the radio frequency (RF) and local oscillator (LO) paths. The receiver comprises a multi-band reconfigurable RF front-end, double-balanced passive I/Q mixers, an I/Q LO generation network with a tunable I/Q …

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A 6.9-ppm/°C, 0.66-mV/V Line Regulation, 50-mA Multi-Loop Low-Dropout Regulator With Integrated Single-BJT Voltage and Current References

A 6.9-ppm/°C, 0.66-mV/V Line Regulation, 50-mA Multi-Loop Low-Dropout Regulator With Integrated Single-BJT Voltage and Current References 150 150

Abstract:

This article presents a fully integrated output-capacitor-less (OCL) multi-feedback-loop low-dropout regulator (LDO) with an in-built single bipolar junction transistor (BJT)-based voltage and current reference (VCR) for energy-harvesting Internet of Things (IoT) devices. The proposed architecture comprises four loops, which significantly enhance the DC regulation and transient performance of the …

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GUARD: A Clock and Voltage Glitch Detector With On-Demand Protection

GUARD: A Clock and Voltage Glitch Detector With On-Demand Protection 150 150

Abstract:

This article presents GUARD, a fully digital, variation-tolerant detector for clock and voltage glitch attacks, featuring an integrated on-demand protection mechanism. Fabricated in 28-nm CMOS, GUARD provides robust security for digital systems by monitoring the system clock for maliciously injected faults. It employs a pair of optimized time-to-digital converters (TDCs) …

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A Zero-Static-Power ADC With Integrated Dynamic Reference and Driver-Free Operation Achieving 58.6 dB SNDR From –40 °C to 85 °C

A Zero-Static-Power ADC With Integrated Dynamic Reference and Driver-Free Operation Achieving 58.6 dB SNDR From –40 °C to 85 °C 150 150

Abstract:

This letter presents a 10-bit ENOB charge-sharing SAR ADC with a fully integrated dynamic bandgap reference (BGR), enabling first-order noise shaping and ultralow-power (ULP) operation. The charge-sharing ADC and dynamic BGR form an ideal pair: both operate without static current, allowing compact integration and high precision. The SAR uses only …

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An 18.4-Gb/s/pin Simultaneous Bidirectional Transceiver for Post HBM4 Using Four-Phase Hybrid Timing Alignment and Dual Equalization

An 18.4-Gb/s/pin Simultaneous Bidirectional Transceiver for Post HBM4 Using Four-Phase Hybrid Timing Alignment and Dual Equalization 150 150

Abstract:

This letter presents a simultaneous bidirectional (SBD) transceiver for post HBM4. It is difficult to increase the data rate due to poor channel characteristics of the silicon interposer and the limited physical area of the IO in high-bandwidth memory (HBM) interface. SBD signaling is attractive because it doubles the per-pin …

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A 28-nm FD-SOI CMOS Analog-IMC Core Based on PCM Featuring 8 512 × 512-Weight Layers and 28M Weights×TOPs/W/mm2

A 28-nm FD-SOI CMOS Analog-IMC Core Based on PCM Featuring 8 512 × 512-Weight Layers and 28M Weights×TOPs/W/mm2 150 150

Abstract:

In-memory computing (IMC) hardware accelerators for deep neural networks (DNNs) require storing a massive number of coefficients within a single computing macro to avoid performance degradation in multicore clusters. This aspect, often overlooked by common figures of merit (FoMs), can be effectively addressed by phase-change memory (PCM) technology, thanks to …

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A Third-Harmonic-Enhanced Triple-Push DCO Utilizing Source-Combining Technique

A Third-Harmonic-Enhanced Triple-Push DCO Utilizing Source-Combining Technique 150 150

Abstract:

This article presents a detailed investigation into optimizing the amplitude and phase of the transistor’s terminal voltages to generate a high 3rd-harmonic current in the millimeter-wave (mm-Wave) frequency. Based on the analysis, the digitally controlled source-combining triple-push (SCTP) oscillator is derived to significantly enhance the 3rd-harmonic current by introducing …

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A High-Linearity Shunt-Based In-Line Current Sensor With Self-Heating Compensation and 14.4 V 2 MHz PWM Rejection

A High-Linearity Shunt-Based In-Line Current Sensor With Self-Heating Compensation and 14.4 V 2 MHz PWM Rejection 150 150

Abstract:

This article presents a cost-effective, fully integrated shunt-resistor-based in-line current sensor that delivers high linearity and strong PWM rejection, enabling precise current measurement and control in dynamic driving systems like robotics, imaging, and audio. To mitigate the self-heating of the on-chip shunt resistor, which degrades linearity, a location-based thermal compensation …

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A 28-nm PVT Inner-Tracking Time-Domain Compute-In-Memory Macro for Edge-AI Devices

A 28-nm PVT Inner-Tracking Time-Domain Compute-In-Memory Macro for Edge-AI Devices 150 150

Abstract:

This article presents an energy-efficient and process-, voltage-, and temperature (PVT)-robust time-domain (TD) compute-in-memory (CIM) macro for edge artificial intelligence (AI) devices. It features: 1) a PVT inner-tracking (PIT) technique that aligns the PVT responses of TD computation and TD quantization, delivering inherent robustness without incurring extra power or circuit …

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