References in periodicals archive ?
Tangsrirat, "Novel current-mode and voltage-mode universal biquad filters using single CFTA," Indian Journal of Engineering and Materials Sciences, vol.
Lattenberg, "Novel SIMO type current-mode universal filter using CFTAs and CMIs", in Proc.
Venclovsky, "History, progress and new results in synthetic passive element design employing CFTAs", International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, vol.
The paper is organized as follows: Section II describes the recently introduced ABB so-called current follower transconductance amplifier (CFTA), which is in this paper used for filter design.
Hence, in order to prevent this potential drawback of future applications, the CFTA was introduced as novel ABB for analog signal processing in 2008 -.
By using the SFG representation, any nth-order all-pass current transfer function can be realized by employing n+ 1 CFTAs and n grounded capacitors, and nth-order all-pole lowpass current transfer function can also be realized employing n CFTAs and n grounded capacitors.
Misurec, "A novel current-mode SIMO type universal filter using CFTAs," Contemporary Engineering Sciences, vol.
In 2008, the conception of the current follower transconductance amplifier (CFTA) has been introduced .
In order to alleviate the mentioned problems, the modified version of the CDTA so-called current follower transconductance amplifier (CFTA) was recently introduced [13, 14].
In this paper, we present a generalized approach based on only transconductance ([G.sub.m]) elements for designing a CFTA with linearly and electronically current controllable.
As compared with the conventional CFTA, the designed CG-CFTA element has an advantage of providing a linear electronic controllability of the current transfer ratios [i.sub.z]/[i.sub.p], [i.sub.zc]/[i.sub.p], [i.sub.x+]/[i.sub.z] and [i.sub.x-]/[i.sub.z] via the following parameters: [alpha](= [I.sub.BB/[I.sub.BA]) and [G.sub.mT] (= [I.sub.BC] [K.sub.T]), respectively.
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