Results 41 to 50 of about 32,761 (322)

7-decade tuning range CMOS OTA-C sinusoidal VCO [PDF]

open access: yes, 1998
A new operational transconductance amplifier-capacitor (OTA-C) based sinusoidal voltage-controlled oscillator (VCO) has been designed and fabricated, the oscillation frequency of which can be tuned from 74 mHz to 1 MHz.
Linares Barranco, Bernabé   +1 more
core   +1 more source

OTA a wide common mode low power

open access: yesIngeniería Investigación y Desarrollo, 2016
This paper presents the design of an operational transconductance amplifier OTA operating in sub-threshold region for low power consumption. Simulations were performed in SYNOPSYS tools program for a 180nm technology.
Héctor Iván Gómez-Ortiz   +2 more
doaj   +1 more source

Programmable Second-Generation Current-Conveyor With Variable Current Gain

open access: yesActive and Passive Electronic Components, 1995
A new programmable second-generation current-conveyor is proposed. The proposed circuit uses a commercially available second-generation current-conveyor and one operational transconductance amplifier.
Muhammad Taher Abuelma'atti   +2 more
doaj   +1 more source

A 0.3-V 98-dB Rail-to-Rail OTA in $0.18~\mu$ m CMOS

open access: yesIEEE Access, 2020
A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where the input stage is based on a ...
Tomasz Kulej, Fabian Khateb
doaj   +1 more source

Multifunctional Electronically Reconfigurable and Tunable Fractional-Order Filter

open access: yesElektronika ir Elektrotechnika, 2019
In this paper the authors present a multifunctional reconfigurable fractional-order filter performing a low-pass, high-pass, band-pass and band-reject transfer function.
Jan Dvorak   +4 more
doaj   +1 more source

A Low-power CMOS 2-PPM Demodulator for Energy Detection IR-UWB Receivers [PDF]

open access: yes, 2007
This paper presents an integrated 2-PPM CMOS demodulator for non-coherent energy detection receivers which inherently provides analog-to-digital conversion.
Casu, Mario Roberto   +3 more
core   +1 more source

Novel Schmitt Trigger and Square-Wave Generator Using Single Current Amplifier

open access: yesIEEE Access, 2019
This paper presents an important missing building block for mixed-mode signal processing: a Schmitt trigger circuit based on the current amplifier. Schmitt trigger is used extensively in both the analogue and digital areas.
Hussain A. Alzaher
doaj   +1 more source

A 4-mode reconfigurable low noise amplifier for implantable neural recording channels [PDF]

open access: yes, 2016
In this paper a reconfigurable implantable low noise amplifier for the recording of neural signals is presented. It is comprised by low-power and noise efficient current reuse OTAs in its direct path.
Delgado Restituto, Manuel   +2 more
core   +1 more source

Novel active function blocks and their applications in frequency filters and quadrature oscillators [PDF]

open access: yes, 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
core  

Ferrocene Derivatives Enable Ultrasensitive Perovskite Photodetectors with Enhanced Reverse Bias Stability

open access: yesAdvanced Functional Materials, EarlyView.
Novel ferrocene derivatives (e.g., FcPhc2) are used as an ultrathin layer hole‐blocking layer, reducing hole injection from the Ag contact. This results in an ultralow noise spectral density of 1.2 × 10−14 A Hz−1/2, and a high specific detectivity of 8.1 × 1012 Jones at −0.5 V.
Eunyoung Hong   +16 more
wiley   +1 more source

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