Results 151 to 160 of about 14,891 (262)

Hybrid six-input operational transconductance amplifier

open access: yes, 2011
The paper presents idea and practical realizations of multiple input transconductance operational amplifier (MIOTA) of hybrid integrated circuit (HIC).
Sztymelski, Krzysztof, Holajn, Piotr
core  

A Co‐Designed Implicit‐Reset Path PFD and Current Mismatch Compensated CP Enabling Sub‐0.5% Mismatch and Dead Zone‐Free for Low‐Spur PLLs

open access: yesInternational Journal of Circuit Theory and Applications, Volume 54, Issue 11, Page 5185-5201, November 2026.
A co‐designed implicit‐reset phase‐frequency detector (PFD) and nonlinear amplifier‐assisted charge pump (CP) achieve dead zone‐free operation from 10 MHz to 4.7 GHz with < 0.5% current mismatch without calibration, enabling −80 dBc of reference spur and 0.50 ps of RMS jitter in a 180 nm of CMOS PLL.
A. Ghaemnia   +3 more
wiley   +1 more source

Correlated Noise Reduction in a CMOS ECG Amplifier: Opportunities and Limitations. [PDF]

open access: yesSensors (Basel)
Olivieri R   +6 more
europepmc   +1 more source

Scalable Room‐Temperature Terahertz Graphene Cameras

open access: yesSmall Methods, Volume 10, Issue 21, 9 November 2026.
ABSTRACT Terahertz (THz) imaging has emerged as a powerful tool for non‐destructive, label‐free analysis across several scientific disciplines, ranging from materials science to biomedical research. By capturing the spatial‐dependent information in a broad range of frequencies, this technique enables the identification of chemical composition ...
Lili Shi   +2 more
wiley   +1 more source

Low‐Frequency Noise and Stability in Electrolyte‐Gated Nanoscale Silicon Field‐Effect Transistor Sensors

open access: yesSmall Methods, Volume 10, Issue 21, 9 November 2026.
Electrolyte‐gated nanoscale silicon field‐effect transistor sensors provide exceptional charge sensitivity and direct electrical readout. However, their sensing accuracy is fundamentally limited by low‐frequency noise and baseline drift. This review examines the origins of noise and drift in these sensors, summarizes the key mitigation strategies, and ...
Yingtao Yu   +5 more
wiley   +1 more source

Configurable Ultracompact Electrode Kernel for Electromyography Recordings Using Screen Printed Logic Circuits Based on Organic Electrochemical Transistors

open access: yesSmall Structures, Volume 7, Issue 11, November 2026.
Screen printed logic circuit for configurable high‐density EMG electrodes. The multilayer electrode kernel combines eight OECT‐based transmission channels with an integrated OECT‐based 3–8 decoder circuit to activate a single channel while blocking the rest.
Luis Pelaez Murciego   +6 more
wiley   +1 more source

Graphene Field-Effect Transistor Process and Analysis Optimization in 200 mm Pilot-Line Environment. [PDF]

open access: yesACS Nano
Murros A   +7 more
europepmc   +1 more source

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