Results 131 to 140 of about 1,526,878 (350)
Voltage variable oscillator has high phase stability [PDF]
, 1965 Two or more series RLC circuits are used with a negative feedback amplifier to make a voltage variable oscillator.
Hearn, C. P.
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Advanced Healthcare Materials, EarlyView.This review explores the evolving role of microneedle systems in psoriasis management, highlighting their potential for enhanced drug delivery, diagnosis, and disease monitoring. It also discusses unmet clinical needs for psoriasis management and technical challenges, while outlining strategic directions to advance microneedle integration into routine ...
Fatma Moawad +3 more
wiley +1 more source
A Novel Active Feedback Frequency Compensation Scheme for Two-Stage OTA
Iranian Journal of Electrical and Electronic Engineering, 2019 A novel active feedback frequency compensation scheme is presented in this work. Based on the proposed technique, an amplifier with two main poles in its frequency bandwidth can be easily compensated by introducing a pole-zero pair in a local feedback ...
H. Faraji Baghtash, Kh. Monfaredi
doaj
Low speed, long term tracking electric drive system has zero backlash [PDF]
, 1967 Electric drive system provides low speed, long term tracking of targets that move at a sidereal rate. It utilizes eddy-current energized actuators that are free from radio frequency interference generation and a solid state feedback amplifier with ...
Richter, H. L., Stoller, F. W.
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Advanced Healthcare Materials, EarlyView.This review examines how emerging enabling technologies enhance the physiological relevance, scalability, and reproducibility of kidney organoids, while advanced analytical approaches support model validation and deepen mechanistic insight into nephrotoxicity.
Helen Kearney +3 more
wiley +1 more source
A DC-coupled RF Amplifier in CMOS with DC-feedback [PDF]
, 2002 A CMOS multistage RF amplifier with DC coupling is presented. A complete optimisation of the various stages is done to maximize the RF gain for a given power budget.
Annema, A.J. +3 more
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Advanced Healthcare Materials, EarlyView.Osteogenic‐angiogenic cross‐talk is a vital prerequisite for vascularized bone regeneration. In this study, we investigated the effects of siRNA‐mediated silencing of two inhibitory proteins, Chordin and WWP‐1, via CaP‐NP‐loaded gelatin microparticles in osteogenically differentiated microtissues.
Franziska Mitrach +7 more
wiley +1 more source
Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture
Advanced Healthcare Materials, EarlyView.This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus +9 more
wiley +1 more source
Novel active function blocks and their applications in frequency filters and quadrature oscillators [PDF]
, 2010 Kmitočtové filtry a sinusoidní oscilátory jsou lineární elektronické obvody, které jsou používány v široké oblasti elektroniky a jsou základními stavebními bloky v analogovém zpracování signálu.
Herencsár, Norbert
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