Detail publikace

Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor

JEŘÁBEK, J. ŠOTNER, R. POLÁK, J. LANGHAMMER, L. HERENCSÁR, N. PROKOP, R. VRBA, K.

Originální název

Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Presented work deals with applications of the single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor (ZC-CG-VDCC) in single purpose and multifunctional biquadratic voltage- and current-mode active resistor-less filters. Electronically adjustable features of the active device (intrinsic current input resistance Rx, current gain B and transconductance gm) are controlled by DC bias current. These mentioned adjustable features allow interesting possibilities of control of the pole frequency and quality factor. Four voltage-mode solutions realizing low-pass, band-pass, high-pass and band-reject filtering solutions were designed together with two current-mode filters. The current-mode solutions have curious multifunctional capability based on full utilization of electronically controllable parameters of the ZC-CG-VDCC. Two adjustable parameters of the ZC-CG-VDCC (intrinsic current input resistance and transconductance) are used for electronic setting of features of the filter (pole frequency, quality factor, tuning). Control of the third adjustable parameter (current gain) causes reconnection-less change of the transfer function between iAP (inverting all-pass response) and iBR (inverting band-reject responses). Simulation results in PSPICE and Cadence CDS 6 are used to show characteristics of the proposed circuits.

Klíčová slova

Biquads; current gain; electronic control; intrinsic resistance; reconnection-less multifunctional filter; transconductance; z-copy; ZC-CG-VDCC.

Autoři

JEŘÁBEK, J.; ŠOTNER, R.; POLÁK, J.; LANGHAMMER, L.; HERENCSÁR, N.; PROKOP, R.; VRBA, K.

Vydáno

31. 3. 2017

ISSN

1793-6454

Periodikum

JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS

Ročník

26

Číslo

3

Stát

Singapurská republika

Strany od

1

Strany do

21

Strany počet

21

URL

http://www.worldscientific.com/doi/abs/10.1142/S0218126617500505

Plný text v Digitální knihovně

http://hdl.handle.net/11012/70918

BibTex

@article{BUT128768,
  author="Jan {Jeřábek} and Roman {Šotner} and Josef {Polák} and Lukáš {Langhammer} and Norbert {Herencsár} and Roman {Prokop} and Kamil {Vrba}",
  title="Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor",
  journal="JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS",
  year="2017",
  volume="26",
  number="3",
  pages="1--21",
  doi="10.1142/S0218126617500505",
  issn="1793-6454",
  url="http://www.worldscientific.com/doi/abs/10.1142/S0218126617500505"
}