Search Results - "Surakampontorn, W."

Single-resistance-controlled quadrature oscillator using current differencing buffered amplifiers by Tangsrirat, W., Prasertsom, D., Piyatat, T., Surakampontorn, W.

“…A single-resistance-controlled quadrature oscillator circuit using current differencing buffered amplifiers (CDBAs) as active components is proposed. The…”
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Low-voltage NMOS-based current differencing buffered amplifier and its application to current-mode ladder filter design by Tangsrirat, W., Klahan, K., Dumawipata, T., Surakampontorn, W.

“…An integratable circuit technique to realize a low-voltage current differencing buffered amplifier (CDBA) is introduced. The realization scheme is through the…”
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Theoretical Analysis of Highly Linear Tunable Filters Using Switched-Resistor Techniques by Jiraseree-amornkun, A., Worapishet, A., Klumperink, E., Nauta, B., Surakampontorn, W.

“…In this paper, an in-depth analysis of switched-resistor (S-R) techniques for implementing low-voltage low-distortion tunable active- RC filters is presented…”
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Performance Analysis and Design of Triple-Resonance Interstage Peaking for Wide-Band Cascaded CMOS Amplifiers by Worapishet, A., Roopkom, I., Surakampontorn, W.

“…The analysis and design of the two promising candidates for interstage bandwidth enhancement of integrated wide-band cascaded amplifiers (CAs), namely…”
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Realization of multiple-output biquadratic filters using current differencing buffered amplifiers by Tangsrirat, W., Surakampontorn, W.

“…In this paper, multiple-output multifunctional biquadratic filters using current differencing buffered amplifiers (CDBAs) as active elements are presented. The…”
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Current-conveyor-based single-element-controlled and current-controlled sinusoidal oscillators by Fongsamut, C., Anuntahirunrat, K., Kumwachara, K., Surakampontorn, W.

“…A new single-element-controlled sinusoidal oscillator circuit that incorporates two second generation current conveyors (CCIIs), two grounded capacitors and…”
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Temperature-insensitive voltage-to-current converter and its applications by Surakampontorn, W., Riewruja, V., Kumwachara, K., Surawatpunya, C., Anuntahirunrat, K.

“…A novel voltage-to-current (V/I) converter circuit is proposed, which is based on an operational transconductance amplifier (OTA) integrated circuit. The V/I…”
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A new NMOS four-quadrant analog multiplier by Boonchu, B., Surakampontorn, W.

“…In this paper, an all NMOS voltage-mode four-quadrant analog multiplier, based on a basic NMOS differential amplifier that can produce the output signal in…”
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Accurate CMOS-based current conveyors by Surakampontorn, W., Riewruja, V., Kumwachara, K., Dejhan, K.

“…An integrable circuit technique for implementing both positive and negative second-generation current conveyors (CCII) is described. Since the proposed…”
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Stepped-Impedance Coupled Resonators for Implementation of Parallel Coupled Microstrip Filters With Spurious Band Suppression by Worapishet, A., Srisathit, K., Surakampontorn, W.

“…A parallel-coupled microstrip bandpass filter based on the stepped-impedance coupled resonator (SICR) for suppression of harmonic spurious response is…”
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A design of controllable gain class B push-pull current amplifier by Kaewdang, K., Surakampontorn, W., Fujii, N.

“…A controllable gain class-B push-pull current amplifier using CMOS OTAs is proposed. The current amplifier has features of linear current gain controllability,…”
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Miniaturized microwave bandpass filter based on modified hairpin topology by Srisathit, K, Tangjit, J, Surakampontorn, W

“…This paper presents a microstrip hairpin bandpass filter (BPF) with simultaneously compact size and harmonic suppression. With the use of a square groove…”
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Sinusoidal frequency doublers using operational amplifiers by Surakampontorn, W.

“…A simple sinusoidal frequency-doubling circuit is proposed which incorporates operational amplifiers (op amps) with resistors as the only external components…”
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An analog sinusoidal frequency-to-voltage converter by Surakampontorn, W., Chonbodeechalermroong, Y., Bunjongjit, S.

“…An analog sinusoidal frequency-to-voltage (F/V) converter, based on the use of nonlinear analog circuits, is introduced. The realization is composed of a…”
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Electronically tunable floating CMOS resistor using OTA by Kaewdang, K., Kumwachara, K., Surakampontorn, W.

“…A new CMOS OTA-based circuit is proposed to realize electronically tunable positive and negative floating resistors. The circuit employs two balanced OTAs and…”
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Two new RC oscillators using CCIIs by Fongsamut, C., Fujii, N., Surakampontorn, W.

“…Two new sinusoidal oscillator circuits using current conveyors are presented in this paper. The two oscillators are related to each other by the RC:CR…”
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Realization of lowpass and bandpass leapfrog filters using OAs and OTAs by Tangsrirat, W., Dumawipata, T., Unhavanich, S., Surakampontorn, W.

“…The systematic procedure for realizing lowpass and bandpass leapfrog ladder filters using only active elements is presented. The proposed architecture is…”
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An integrable temperature-insensitive gm -RC quadrature oscillator by Kumwachara, Kiattisak, Surakampontorn, Wanlop

“…A novel g m -RC quadrature oscillator using operational transconductance amplifiers (OTAs) and grounded passive elements is proposed. The circuit provides two…”
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Segmented Thai numeric display by Surakampontorn, W., Jutaviriya, S., Riewruja, V.

“…The layouts for eight- and nine-segment Thai numeric displays are presented. A BCD-to-nine segment decoder for deriving the nine-segment-layout was also…”
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CMOS voltage-mode analog multiplier by Boonchu, B., Surakampontorn, W.

“…This paper proposes a CMOS voltage-mode four-quadrant analog multiplier. It is based on a pair of diode-connected MOS transistor that is biased with a constant…”
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