نتایج جستجو برای: biquad

تعداد نتایج: 190  

2004
Ping-Hsing Lu Chung-Yu Wu Ming-Kai Tsai

In this paper, CMOS inverter-based wideband transresistance R, amplifiers are proposed and analyzed. Using the R, amplifiers, tunable VHFKJHF R,-C bandpass biquadratic filters can be designed. In these filters, the center frequency f , can be post-tuned by adjusting the control voltages of the R, amplifiers. The pseudodifferential configuration uses the extra inversely connected and self-shorte...

2011
Y. Sun S. G. Lee

A full frequency band active RF tracking filter design for a digital TV tuner is implemented for the first time. By combined control of the Gm and C values in the biquad of the Gm-C filter, the proposed tracking bandpass filter satisfies full frequency band tuning while maintaining narrow bandwidth. The Gm cell of the tracking filter is based on a dynamic source degenerated differential pair wi...

2009
Chunhua WANG Yan ZHAO Qiujing ZHANG Sichun DU

This study presents a new current-mode singleinput and multi-output (SIMO) type universal biquad circuit using second generation multi-output current conveyors (MOCCII) as the active components. The proposed circuit employs three MOCCIIs, two grounded capacitors and four grounded resistors, therefore offers electroning tuning possibilities. It can simultaneously realize second order low-pass, b...

Journal: :Circuits and Systems 2011
Sajai Vir Singh Sudhanshu Maheshwari Durg Singh Chauhan

This paper presents an electronically tunable current/trans-impedance-mode biquad universal filter employing only single multi-output current controlled current conveyor trans-conductance amplifier (MO-CCCCTA) and two grounded capacitors. The proposed filter realizes all the standard filter functions i.e. low pass (LP), band pass (BP) and high pass (HP), notch and all pass (AP) filters in the c...

Journal: :IEEE Access 2023

To solve the analog fault diagnosis problem with fewer samples, a transformer based auxiliary classifier generative adversarial network (ACGAN) is investigated for circuit by constructing both generator and discriminator in ACGAN pure components. The has high model generality due to its weak inductive bias, but it also increases risk of overfitting on small datasets. Therefore, we use generate ...

2016
Manish Gupta

This paper presents a new current mode (CM) single-input and multi-output (SIMO)-type biquad using two multiple output OTAs and one current follower as an active device and having two grounded capacitors. This SIMO type circuit realizes all the five filter functions as low pass, band pass, high pass, band reject and all pass filter transfer functions simultaneously. This circuit has the unity g...

2013
Supawat Lawanwisut Montree Siripruchyanun Winai Jaikla

This article presents an active-only current-mode universal biquad filter performing three standard functions: low-pass, high-pass and band-pass function, which can be readily modified to achieve the rest functions (band-stop and all-pass). The circuit principle is based on active-only circuit designed by using differentiators which are constructed from current controlled current conveyor trans...

2014
Jie JIN ChunHua WANG

A current differencing transconductance amplifier (CDTA)-based multiple-input single-output (MISO) currentmode universal filter and a quadrature oscillator (QO) are presented in this paper. The same circuit is used in the filter and oscillator, which only consists of 2 CDTAs and 2 capacitors. The universal filter can realize low-pass, high-pass, band-pass, band-stop, and all-pass biquad filter ...

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