Results 11 to 20 of about 546,731 (283)

Multiple-Input Universal Filter and Quadrature Oscillator Using Multiple-Input Operational Transconductance Amplifiers

open access: yesIEEE Access, 2021
This paper presents a new multiple-input single −output voltage-mode universal biquad filter based on multiple−input operational transconductance amplifiers (MI-OTA). This work demonstrates that the multiple-input OTA−based universal
Montree Kumngern   +3 more
doaj   +3 more sources

Low-Voltage High-Linearity Wideband Current Differencing Transconductance Amplifier and Its Application on Current-Mode Active Filter [PDF]

open access: yesRadioengineering, 2014
A low-voltage high-linearity wideband current differencing transconductance amplifier (CDTA) is presented in this paper. The CDTA consists of a current differencing circuit and a cross-coupling transconductance circuit.
J. Xu, C. Wang, J. Jin, Z. Xia
doaj   +2 more sources

ECCCII-Based Current-Mode Universal Filter with Orthogonal Control of w_o and Q [PDF]

open access: yesRadioengineering, 2014
This paper presents a new current-mode current-controlled four-input five-output universal filter employing one current-controlled current conveyor (CCCII), one electronically tunable CCCII and two grounded capacitors. The proposed configuration provides
M. Kumngern   +4 more
doaj   +2 more sources

High-Order Current-Mode and Transimpedance-Mode Universal Filters with Multiple-Inputs and Two-Outputs Using MOCCIIs [PDF]

open access: yesRadioengineering, 2009
A high-order current-mode and transimpedance-mode universal filter with multiple-inputs and two-outputs based on multiple output second-generation current conveyors (MOCCIIs) is introduced.
J. Horng
doaj   +2 more sources

0.5 V Universal Filter and Quadrature Oscillator Based on Multiple-Input DDTA

open access: yesIEEE Access, 2023
This paper presents a universal voltage-mode filter and quadrature oscillator based on low-voltage multiple-input differential difference transconductance amplifier (MI-DDTA).
Montree Kumngern   +2 more
doaj   +1 more source

CFA BASED UNIVERSAL BIQUAD FILTER

open access: yesSYNCHROINFO JOURNAL, 2021
This paper is a review of the organizational structure and challenges that a technological enterprise faces during scaling, from the perspective of the engineering management. After expanding operations internationally, the distributed engineering teams developing hardware and software for internet of things applications, face issues regarding culture,
openaire   +2 more sources

0.5-V 281-nW Versatile Mixed-Mode Filter Using Multiple-Input/Output Differential Difference Transconductance Amplifiers

open access: yesSensors, 2023
This paper presents a new low-voltage versatile mixed-mode filter which uses a multiple-input/output differential difference transconductance amplifier (MIMO-DDTA).
Fabian Khateb   +2 more
doaj   +1 more source

Universal Filtering Via Hidden Markov Modeling [PDF]

open access: yesIEEE Transactions on Information Theory, 2008
The problem of discrete universal filtering, in which the components of a discrete signal emitted by an unknown source and corrupted by a known DMC are to be causally estimated, is considered. A family of filters are derived, and are shown to be universally asymptotically optimal in the sense of achieving the optimum filtering performance when the ...
Moon, Taesup, Weissman, Tsachy
openaire   +2 more sources

A novel voltage-mode universal second-order filter using five single ended OTAs and its quadrature sinusoidal oscillator application

open access: yesMeasurement + Control, 2022
This study proposes a single-ended operational trans-conductance amplifier (SEOTA)-based triple inputs and single output high-input impedance voltage-mode (VM) universal second-order filter.
San-Fu Wang   +3 more
doaj   +1 more source

Design and Verification of a New Universal Active Filter Based on the Current Feedback Operational Amplifier and Commercial AD844 Integrated Circuit

open access: yesSensors, 2023
This paper presents a triple-input and four-output type voltage-mode universal active filter based on three current-feedback operational amplifiers (CFOAs). The filter employs three CFOAs, two grounded capacitors, and six resistors.
Hua-Pin Chen   +4 more
doaj   +1 more source

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