Detail publikace

Voltage Differencing Buffered/Inverted Amplifiers and Their Applications for Signal Generation

ŠOTNER, R. JEŘÁBEK, J. HERENCSÁR, N.

Originální název

Voltage Differencing Buffered/Inverted Amplifiers and Their Applications for Signal Generation

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper presents some interesting new applications in the field of analog signal processing focused on signal generation. A novel modifications of recently developed and studied family of active elements, called voltage differencing buffered amplifier (VDBA) and voltage differencing inverted buffered amplifier (VDIBA) are discussed. Our attention is focused on simple application of active elements like dual output VDBAs (DO-VDBAs) and fully balanced VDBAs (FB-VDBAs), where one or two z terminals and always voltage outputs of both polarities are present. The last modification of VDBA allows additional electronic control of voltage gain in frame of active element except standard transconductance control. Discussed active elements were used to build very simple multiphase oscillators with minimal complexity as a simple non-tunable alternative to classical conceptions utilizing lossy integrators in phase-shifted loop. Linearly tunable quadrature differential mode (balanced) oscillator or balanced simple triangle and square wave generator were chosen as other useful examples. Features of proposed circuits are discussed and selected examples verified and evaluated by computer simulations with appropriate low-voltage TSMC 0.18 um CMOS technology models.

Klíčová slova

Analog signal processing, low-voltage circuit, voltage differencing inverted buffered amplifier, VDIBA, voltage differencing buffered amplifier, VDBA, multiphase oscillators, quadrature oscillator, triangle and square wave generator, differential output responses, electronic control.

Autoři

ŠOTNER, R.; JEŘÁBEK, J.; HERENCSÁR, N.

Rok RIV

2013

Vydáno

11. 6. 2013

ISSN

1210-2512

Periodikum

Radioengineering

Ročník

22

Číslo

2

Stát

Česká republika

Strany od

490

Strany do

504

Strany počet

15

BibTex

@article{BUT100073,
  author="Roman {Šotner} and Jan {Jeřábek} and Norbert {Herencsár}",
  title="Voltage Differencing Buffered/Inverted Amplifiers and Their Applications for Signal Generation",
  journal="Radioengineering",
  year="2013",
  volume="22",
  number="2",
  pages="490--504",
  issn="1210-2512"
}