Publication detail

Current-Mode CCII+ Based Oscillator Circuits Using a Conventional and Modified Wien-Bridge With All Capacitors Grounded

BAJER, J. LAHIRI, A. BIOLEK, D.

Original Title

Current-Mode CCII+ Based Oscillator Circuits Using a Conventional and Modified Wien-Bridge With All Capacitors Grounded

English Title

Current-Mode CCII+ Based Oscillator Circuits Using a Conventional and Modified Wien-Bridge With All Capacitors Grounded

Type

conference paper

Language

en

Original Abstract

The paper deals with a couple of circuits of current-mode sine-wave oscillators. Both circuits presented are implemented using positive second generation current conveyors (CCII+). The principle of the first one is based on a conventional Wien-bridge network. However, this implementation suffers from the use of a floating capacitor, which can be unacceptable in the case of integration on the chip. The above mentioned drawback is solved in the second variant by the slight modification of the Wien-bridge network, which consequently allows the use of all capacitors grounded. The modified circuit version was manufactured by mean of the so-called diamond transistors, which stand for CCII+ active building blocks. The circuit behavior has been experimentally verified and results measured are included in the paper.

English abstract

The paper deals with a couple of circuits of current-mode sine-wave oscillators. Both circuits presented are implemented using positive second generation current conveyors (CCII+). The principle of the first one is based on a conventional Wien-bridge network. However, this implementation suffers from the use of a floating capacitor, which can be unacceptable in the case of integration on the chip. The above mentioned drawback is solved in the second variant by the slight modification of the Wien-bridge network, which consequently allows the use of all capacitors grounded. The modified circuit version was manufactured by mean of the so-called diamond transistors, which stand for CCII+ active building blocks. The circuit behavior has been experimentally verified and results measured are included in the paper.

Keywords

Diamond transistor, Wien-bridge oscillator, current-mode, current conveyor

RIV year

2010

Released

25.09.2010

Publisher

VUT Brno

Location

Brno

ISBN

978-80-214-4138-5

Book

Proc. EDS'10 IMAPS CS Int. Conf.

Pages from

5

Pages to

10

Pages count

6

BibTex


@inproceedings{BUT34973,
  author="Josef {Bajer} and Abhirup {Lahiri} and Dalibor {Biolek}",
  title="Current-Mode CCII+ Based Oscillator Circuits Using a Conventional and Modified Wien-Bridge With All Capacitors Grounded",
  annote="The paper deals with a couple of circuits of current-mode sine-wave oscillators. Both circuits presented are implemented using positive second generation current conveyors (CCII+). The principle of the first one is based on a conventional Wien-bridge network. However, this implementation suffers from the use of a floating capacitor, which can be unacceptable in the case of integration on the chip. The above mentioned drawback is solved in the second variant by the slight modification of the Wien-bridge network, which consequently allows the use of all capacitors grounded. The modified circuit version was manufactured by mean of the so-called diamond transistors, which stand for CCII+ active building blocks. The circuit behavior has been experimentally verified and results measured are included in the paper.",
  address="VUT Brno",
  booktitle="Proc. EDS'10 IMAPS CS Int. Conf.",
  chapter="34973",
  howpublished="electronic, physical medium",
  institution="VUT Brno",
  year="2010",
  month="september",
  pages="5--10",
  publisher="VUT Brno",
  type="conference paper"
}