Bulk linearized CMOS differential pair transconductor for continuous-time OTA-C filter design

Pankiewicz, Bogdan; Szczepański, S.; Wójcikowski, Marek

doi:10.2478/bpasts-2014-0009

Cited by 4 publications

(3 citation statements)

References 18 publications

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“…(b)Those circuits have no linear tunablility of transconductances, so do not convenient to form multiplier or amplitude modulation circuits, and the tuning range is narrow. The application circuits based on CDTA are also reported [41][42][43], such as filters and oscillators which are better high frequency characteristic than similar OTA-based and CCII-based the filters [36,37] and oscillators [38][39][40] because of CDTA higher frequency characteristic compared with OTA and CCII.…”

Section: Introductionmentioning

confidence: 95%

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A wideband linear tunable CDTA and its application in field programmable analogue array

Wang

Sun

et al. 2016

Analog Integr Circ Sig Process

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This document is the Accepted Manuscript version of the following article: Hu, Z., Wang, C., Sun, J. et al. ???A wideband linear tunable CDTA and its application in field programmable analogue array???, Analog Integrated Circuits and Signal Processing, Vol. 88 (3): 465-483, September 2016. Under embargo. Embargo end date: 6 June 2017. The final publication is available at Springer via https://link.springer.com/article/10.1007%2Fs10470-016-0772-7 ?? Springer Science+Business Media New York 2016In this paper, a NMOS-based wideband low power and linear tunable transconductance current differencing transconductance amplifier (CDTA) is presented. Based on the NMOS CDTA, a novel simple and easily reconfigurable configurable analogue block (CAB) is designed. Moreover, using the novel CAB, a simple and versatile butterfly-shaped FPAA structure is introduced. The FPAA consists of six identical CABs, and it could realize six order current-mode low pass filter, second order current-mode universal filter, current-mode quadrature oscillator, current-mode multi-phase oscillator and current-mode multiplier for analog signal processing. The Cadence IC Design Tools 5.1.41 post-layout simulation and measurement results are included to confirm the theory

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Section: Introductionmentioning

confidence: 95%

“…The proposed CDTA has NMOS AC equivalent signal path, which could avoid the limitations of the high frequency application by the PMOS transistors (in the standard n-well CMOS process, the unity gain frequency of NMOS is about twice of PMOS [36]). Moreover, the transconductance of the proposed circuit is linear tunable.…”

Section: Introductionmentioning

confidence: 99%

A wideband linear tunable CDTA and its application in field programmable analogue array

Wang

Sun

et al. 2016

Analog Integr Circ Sig Process

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“…Moreover, the test can be used to evaluate chaotic signals obtained by applying the OTA-C circuit design approach. The OTA-C approach is suitable for contionus time chaotic circuits discussed in [20,21].…”

Section: On the 0/1 Test For Chaos In Continuous Systemsmentioning

confidence: 99%

On the 0/1 test for chaos in continuous systems

Melosik¹,

Marszałek²

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. In this paper we discuss in detail the resonance and oversampling features of the 0/1 test for chaos in continuous systems and propose methods to avoid those undesired features. Our method is based on certain frequency properties of the 0/1 test. When reconstructing the phase space, our approach is compared with the first minimum of the mutual information method. Several numerical results for typical chaotic systems (including memristive circuits) are included.Key words: test 0/1 for chaos, oversampling, phase space reconstruction, mutual information, FFT. Abstract. In this paper we discuss in detail the resonance and oversampling features of the 0/1 test for chaos in continuous systems and propose methods to avoid those undesired features. Our method is based on certain frequency properties of the 0/1 test. When reconstructing the phase space, our approach is compared with the first minimum of the mutual information method. Several numerical results for typical chaotic systems (including memristive circuits) are included. On the 0/1 test for chaos in continuous systems

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Design of a linearized operational transconductance amplifier using quasi-floating bulk resistor

Kharbanda

Bakshi

Sharma

2022

2022 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON)

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Bulk linearized CMOS differential pair transconductor for continuous-time OTA-C filter design

Cited by 4 publications

References 18 publications

A wideband linear tunable CDTA and its application in field programmable analogue array

A wideband linear tunable CDTA and its application in field programmable analogue array

On the 0/1 test for chaos in continuous systems

Design of a linearized operational transconductance amplifier using quasi-floating bulk resistor

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