New Universal Biquad Using UCCX Devices

Cajka, J.; Vrba, Kamil; Misurec, Jiri

doi:10.1515/freq.2006.60.7-8.138

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“…3 was prepared to be measured. DO-CA active element was implemented by part of the UCC-N1B circuit [39] (forming DO-CF part from Fig. 1(b)) and two current-mode multipliers EL2082 (forming two CA from Fig.…”

Section: Simulation and Measurement Resultsmentioning

confidence: 99%

Reconnection-less Electronically Reconfigurable Filter with Adjustable Gain Using Voltage Differencing Current Conveyor

Jeřábek¹,

Šotner²,

Polák³

et al. 2016

ElAEE

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This paper presents a novel reconnection-less and electronically reconfigurable analogue filter. It employs two active elements, Voltage-Differencing Current Conveyor (VDCC) and Dual-Output Current Amplifier (DO-CA) with two independently tunable gains. Filter has the single input and single output topology (SISO). The current-mode transfer function of the filter can be tuned electronically from the lowpass (LP) response to the high-pass (HP) response, via the band-stop (BS) response, without reconnection of the input or output terminal. It is designed in order to provide tuning of both the stop-band gain and also pass-band gain of all the transfer functions, because also transfer functions with additional and intended zero in transfer function are available. The theoretical presumptions are confirmed by both simulations and lab measurements with available devices.

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Section: Simulation and Measurement Resultsmentioning

confidence: 99%