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Author: search.filters.author.Julsereewong, PrasitSubject: search.filters.subject.CMOS-based circuit

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    A CMOS-based square-rooting circuit
    (2007-12-01)
    Rungkhum, Tipparat
    ;
    Julsereewong, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    This paper presents a square-rooting circuit supporting both the voltage and current input signals. The realization method is based on the use of a characteristic of MOS-translinear principle. The proposed circuit is simple, small in size, and suitable for fabrication using CMOS technology. PSPICE simulation results verifying the performances of the proposed circuit are in close agreement with the calculated values. © ICROS.
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    A CMOS-based multiple-input max/min circuit
    (2005-12-01)
    Keawconthai, Supatpong
    ;
    Wangwiwattana, Chaleompun
    ;
    Chaikla, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    This paper presents a CMOS circuit technique for realization of the current-mode multiple-input Max/Min circuit. The maximum and minimum functions are incorporated into the same scheme with parallel processing. The design strategy is based on the use of MOS transistor operating at the edge of conduction. The proposed circuit performs a low-distortion in the transfer characteristic and is useful building block for the real-time systems. The performances of the proposed circuit were studied using the PSFICE analog simulation program. The simulation results verified the circuit performances are agreed with the expected values. © 2005 IEEE.
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    A low-voltage algorithmic ADC based on gray coding
    (2004-12-27)
    Arayawat, Somjai
    ;
    Chaikla, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    ;
    Trisuwannawat, Thanit
    This paper presents an algorithmic analog-to-digital converter (ADC), which is based on gray coding. The realization method makes use of the De Morgan's law-based two-input minimum circuit, which performs a low-distortion in the transfer characteristic. The proposed ADC with the low supply voltage is simple, small in size and suitable for implementing a high-resolution ADC. The performances of the proposed circuit were studied using the PSPICE analog simulation program. The simulation results verified the circuit performances are agreed with the expected values.
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    An analog current-mode multiple-input max/min circuit
    (2004-12-27)
    Keawconthai, Supatpong
    ;
    Masuchun, Ruedee
    ;
    Chaikla, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    This paper presents an analog modular multiple-input Max/Min circuit, which operates in the current-mode. The maximum and minimum functions are incorporated into the same scheme with parallel processing. The realization method is suitable for fabrication using CMOS technology. The proposed circuit has a very sharp transfer characteristic and is useful building block for the real-time systems. The performances of the proposed Max/Min circuit were studied using the PSPICE analog simulation program. The simulation results verified the circuit performances are agreed with the expected values.
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    An analog current-mode multiple-input Max/min circuit
    (2004-11-17)
    Keawconthai, Supatpong
    ;
    Masuchun, Ruedee
    ;
    Chaikla, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    This paper presents an analog modular multiple-input Max/Min circuit, which operates in the current-mode. The maximum and minimum functions are incorporated into the same scheme with parallel processing. The realization method is suitable for fabrication using CMOS technology. The proposed circuit has a very sharp transfer characteristic and is useful building block for the real-time systems, The performances of the proposed Max/Min, circuit were studied using the PSPICE analog simulation program. The simulation results verified the circuit performances are agreed with the expected values.
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    A low-voltage algorithmic ADC based on gray coding
    (2004-11-17)
    Arayawat, Somjai
    ;
    Chaikla, Amphawan
    ;
    Riewruja, Vanchai
    ;
    Julsereewong, Prasit
    ;
    Trisuwannawat, Thanit
    This paper presents an algorithmic analog-to-digital converter (ADC), which is based on gray coding. The realization method makes use of the De Morgan's law-based two-input minimum circuit, which performs a low-distortion in the transfer characteristic. The proposed ADC with the low supply voltage is simple, small in size and suitable for implementing a high-resolution ADC. The performances of the proposed circuit were studied using the PSPICE analog simulation program. The simulation results verified the circuit performances are agreed with the expected values.