A 69 µm<sup>2</sup> Sub-nW/kHz Capacitor-less Ring Oscillator for Ultra-Miniaturized Implants

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There are numerous ways to tackle the design optimization problem of inductive devices, being it a transformer or an inductor. The problem is generally nonlinear, nonconvex, and comprises a mix of continuous and discrete variables which makes it rather a d ...

In this work we propose and experimentally validate a relaxation spiking oscillator architecture with ultra-high tuning range (higher than 400%, from 5KHz to more than 25kHz when the control voltage is varied from 2.5 to 5V) that exploits the reversible me ...

Oscillator networks are known for their interesting collective behavior such as frequency locking, phase locking, and synchronization. Compared to other artificial neural network implementations, timing rather than amplitude information is used for computa ...

This paper presents the critical parasitic elements of coupled inductors and their influence when designing a low input (12V) and ultra-high output voltage (>4000V) DC-DC Flyback Converter. The aim is to design a compact converter capable to supply the ult ...

We present a complete pixel based on a single-photon avalanche diode (SPAD) fabricated in a backside-illuminated (BSI) 3D IC technology. The chip stack comprises an image sensing tier produced in a 65-nm image sensor technology and a data processing tier i ...

This work reports a technique to fabricate ReRAM crossbar arrays co-integrated with fully finished 180 nm CMOS technology chips. The proposed integration method enables low- cost ReRAM-CMOS integration and allows the rapid prototyping of complete memory sy ...

Analytical ultracentrifugation (AUC) is a first principles based method to determine absolute sedimentation coefficients and buoyant molar masses of macromolecules and their complexes, reporting on their size and shape in free solution. The purpose of this ...

Nanoscale CMOS devices display very high peak transit frequency Ft of several hundreds of GHz. This feature can be exploited for reducing power consumption by shifting the operating point towards moderate or eventually weak inversion where the Ft still rea ...

This paper introduces an area- and power-efficient approach for compressive recording of cortical signals used in an implantable system prior to transmission. Recent research on compressive sensing has shown promising results for sub-Nyquist sampling of sp ...

This paper presents a remote powering realization for smart orthopedic implants with a full-wave rectifier and a voltage doubler. The measured power efficiency of the rectifier at 13.56 MHz is 80% for an output power of 20 mW with 2.2 V output. The rectifi ...

This article presents a fully on-chip low-power LDO voltage regulator dedicated to remotely powered wireless cortical implants. This regulator is stable over the full range of alternating load current and provides fast load regulation achieved by applying ...

A 69 µm<sup>2</sup> Sub-nW/kHz Capacitor-less Ring Oscillator for Ultra-Miniaturized Implants

Chattez avec Graph Search

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Remote Powering Realization for Smart Orthopedic Implants

A fully on-chip LDO voltage regulator with 37 dB PSRR at 1 MHz for remotely powered biomedical implants