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SAGBAS, M. AYTEN, U. HERENCSÁR, N. MINAEI, S.
Original Title
Current and Voltage Mode Multiphase Sinusoidal Oscillators Using CBTAs
Type
journal article in Web of Science
Language
English
Original Abstract
Current-mode (CM) and voltage-mode (VM) multiphase sinusoidal oscillator (MSO) structures using current backward transconductance amplifier (CBTA) are proposed. The proposed oscillators can generate n current or voltage signals (n being even or odd) equally spaced in phase. n+1 CBTAs, n grounded capacitors and a grounded resistor are used for nth-state oscillator. The oscillation frequency can be independently controlled through transconductance (gm) of the CBTAs which are adjustable via their bias currents. The effects caused by the non-ideality of the CBTA on the oscillation frequency and condition have been analyzed. The performance of the proposed circuits is demonstrated on third-stage and fifth-stage MSOs by using PSPICE simulations based on the 0.25 um TSMC level-7 CMOS technology parameters.
Keywords
Multiphase sinusoidal oscillator, current backward transconductance amplifier (CBTA), current-mode circuits, voltage-mode circuits, active networks.
Authors
SAGBAS, M.; AYTEN, U.; HERENCSÁR, N.; MINAEI, S.
RIV year
2013
Released
1. 4. 2013
ISBN
1210-2512
Periodical
Radioengineering
Year of study
22
Number
1
State
Czech Republic
Pages from
24
Pages to
33
Pages count
10
BibTex
@article{BUT101234, author="Mehmet {Sagbas} and Umut E. {Ayten} and Norbert {Herencsár} and Shahram {Minaei}", title="Current and Voltage Mode Multiphase Sinusoidal Oscillators Using CBTAs", journal="Radioengineering", year="2013", volume="22", number="1", pages="24--33", issn="1210-2512" }