A Method for Noise Reduction in Active-$RC$ Circuits

Gharibdoust, K.; Bakhtiar, Mehrdad Sharif

doi:10.1109/tcsii.2011.2172521

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…The filtering technique used the dual cross-coupling, which reduces the noise and increases the noise performance of the circuit. Gharibdoust and Bakhtiar [19] proposed a method that reduces noise in an active RC circuit. The method involves using components that are active or passive in the RC circuit, which the noise was reduced.…”

Section: Introductionmentioning

confidence: 99%

All-optical Noise-free Circuit using Silicon Nonlinear Kerr Effect Space-Time Distortion Control

Ray

Singh²,

Pham

et al. 2022

SNRU. j. ind.tech.inn.

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A silicon microring resonator system designed for the optical noise-free circuit consists of a silicon microring with two nanorings at its sides and has the form of a Panda-ring resonator. From which the nonlinear Kerr effect is introduced for space-time distortion control. Firstly, the input light (bright soliton) of 1.50 m center wavelength fed into the system with suitable parameters. The space signal with three types of noise (white, blue- and pink) fed into the system for manipulation. Secondly, the controlled space-time signals multiplexed into the circuit via the add port, the successive filtering employed for noisy space-time signal filtering. The optimum space-time distortion formed by the space-time uncertainty saturation, where the squeezing of light was produced and the whispering gallery mode obtained. The novelty of this work is the use of the Pandaring circuit successive filtering with the space-time distortion control based on the circuit's nonlinear Kerr effect, which can achieve the optical noise-free circuit requirement. By using the Optiwave and MATLAB programs, the simulation results obtained. Results were plotted in time, frequency, and wavelength domains, respectively. The selected modulation time signal is femtosecond (fs), in which the noisy signals extracted from the resonant successive filtering signals.

show abstract

Section: Introductionmentioning

confidence: 99%

All-optical Noise-free Circuit using Silicon Nonlinear Kerr Effect Space-Time Distortion Control

Ray

Singh²,

Pham

et al. 2022

SNRU. j. ind.tech.inn.

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show abstract

“…To reduce the distortion caused by this output voltage variation, the cross‐coupled pair is normally connected to circuit nodes that are expected to have small voltage swings [2]. Signal feed‐forward techniques are also generally demonstrated to reduce the input referred noise of the circuit [3].…”

Section: Introductionmentioning

confidence: 99%

Improving signal to noise of current mode circuits by a cross‐coupled current mirror topology

2014

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A cross-coupled current mirror topology is presented. This topology increases the gain of a circuit that amplifies a pair of differential currents without increasing its power dissipation. An example circuit employing this current mirroring technique is presented. Gain and noise analyses are provided to show the effectiveness of the proposed topology in decreasing the input-referred noise. The analysis also shows that this configuration increases the input resistance and settling time of the circuit.

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Highly Power-Efficient Active-RC Filters With Wide Bandwidth-Range Using Low-Gain Push-Pull Opamps

Shi

Liao

et al. 2013

IEEE Trans. Circuits Syst. I

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A Method for Noise Reduction in Active-$RC$ Circuits

Cited by 5 publications

References 11 publications

All-optical Noise-free Circuit using Silicon Nonlinear Kerr Effect Space-Time Distortion Control

All-optical Noise-free Circuit using Silicon Nonlinear Kerr Effect Space-Time Distortion Control

Improving signal to noise of current mode circuits by a cross‐coupled current mirror topology

Highly Power-Efficient Active-RC Filters With Wide Bandwidth-Range Using Low-Gain Push-Pull Opamps

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