Lerkvaranyu, Somkiat

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Preferred name
Lerkvaranyu, Somkiat
Alternative Name
Lerkvaranyu, S.
Main Affiliation
Email
somkiat.le@kmitl.ac.th

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    Item type:Publication,
    A Wien-type oscillator using ECCII
    (2017-01-18)
    Suksaibul, Pichai
    ;
    Lerkvaranyu, Somkiat
    ;
    Kumngern, Montree
    This paper presents a new Wien-type oscillator using electronically tunable current conveyors (ECCII). Unlike previous Wien-type oscillators, the condition of oscillation of the proposed circuit can be controlled electronically using the current gain of ECCII. The structure is realized using grounded resistor which is easy for developing as a voltage-controlled oscillator. The condition and frequency of oscillations can be controlled orthogonally. PSPICE simulation results are given to confirm the presented theory.
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    Item type:Publication,
    A square-wave generator using ECCII
    (2017-07-02)
    Kumngern, Montree
    ;
    Suksaibul, Pichai
    ;
    Lerkvaranyu, Somkiat
    This paper presents a new square-wave generator using electronically tunable second-generation current conveyors (ECCII). The proposed circuit employs one ECCII, two resistors and one resistor. Unlike previous works, oscillating condition can be given by current gain of ECCII and the output frequency can be controlled by changing resistor. Both voltage and current signals can be obtained into a single topology. The proposed circuit is simulated using PSPICE simulators to confirm the workability of the circuit.