Kumngern, Montree

Preferred name

Kumngern, Montree

Alternative Name

KUMNGERN, Montree

Kumngern, M.

Main Affiliation

School of Engineering

montree.ku@kmitl.ac.th

Now showing 1 - 10 of 28

Some of the metrics are blocked by your
consent settings
Current-tunable current-mode all-pass section using DDCC
(2011-11-03)
Torteanchai, Usa
;
Kumngern, Montree
This paper presents a new dual input current-mode first-order all-pass filter employing one differential difference current conveyor, one grounded capacitor and three grounded resistors. The use of grounded passive component makes the circuit suitable for integrated circuit implementation. The output terminals also have high impedance level which enables easy cascading in current-mode operation. The performances of the proposed circuit are simulated with PSPICE to confirm the present theory. © 2011 IEEE.
Some of the metrics are blocked by your
consent settings
Tunable current-mode quadrature sinusoidal oscillator using CCCFTAs and grounded capacitors
(2013-05-20)
Lamun, Panit
;
Kumngern, Montree
;
Torteanchai, Usa
;
Sarsitthithum, Kanok
This paper presents a new electronically tunable current-mode quadrature sinusoidal oscillator which employs only two current-controlled current follower transconductance amplifiers (CCCFTAs) and two grounded capacitors. The proposed oscillator offers the advantages of independent electronic control for setting the frequency of oscillation and the condition of oscillation, availability of two explicit quadrature current outputs, and low active and passive sensitivities. The outputs of the circuit possess high impedance level which is directly connected to the loads without buffer circuits. The use of grounded capacitors makes the proposed structure highly suitable for integrated circuit implementation. The workability of the proposed structure is verified by PSPICE simulations based on CMOS technology. © 2013 IEEE.
Some of the metrics are blocked by your
consent settings
Current-Mode Active Filter Using EX-CCCII
(2024-06-01)
Kumngern, Montree
;
Khateb, Fabian
;
Kulej, Tomasz
;
Tooprakai, Siraphop
This paper presents a novel multiple-input and multiple-output current-mode universal analog filter with electronic tuning capability. The proposed circuit uses a single second-generation current-controlled current conveyor with extra-X terminals (EX-CCCII) and two grounded capacitors. The filter can offer five standard filtering functions, namely low-pass, high-pass, band-pass, band-stop, all-pass responses, in the same circuit without changing the internal configuration of the filter by selecting appropriate input and output signals. To obtain the five standard filtering functions, inverted input signal and input matching conditions are absent. The natural frequency of all filter responses can be electronically controlled. The proposed circuit was simulated by SPICE using 0.18 μm CMOS process from Taiwan Semiconductor Manufacturing Company (TSMC). The results of experiments using the integrated circuit operational amplifier AD844 confirm the functionality of the new filter.
Some of the metrics are blocked by your
consent settings
CFTA-based electroniccally tunable quadrature sinusoidal oscillator
(2014-10-15)
Kumngern, Montree
;
Lamun, Panit
;
Junnapiya, Somyot
This paper presents a new electronically tunable current-mode quadrature sinusoidal oscillator. The proposed oscillator employs only two current follower transconductance amplifiers, one virtually grounded resistor and two grounded capacitors which is advantageous for integrated circuit implementation. The proposed circuit offers the advantages of orthogonal electronic setting for the frequency of oscillation and condition of oscillation, availability of two explicit quadrature current outputs and low sensitivity properties. The outputs of the circuit possess high impedance level which is directly connected to the loads without buffer circuits. PSPICE simulation and experimental results are used to verify the workability of the proposed circuit.
Some of the metrics are blocked by your
consent settings
A current-mode universal biquadratic filter using a single MZCG-CCCCTA
(2012-12-01)
Kumngern, Montree
This paper presents a new electronically tunable current-mode multifunction biquadratic filter using a new active building block called the multiple-Z with controlled current gain current-controlled current conveyor transconductance amplifier (MZCG-CCCCTA). The proposed filter employs only one MZCG-CCCCTA and two grounded capacitors which offers the following attractive features: realization of low-pass, band-pass, high-pass, band-stop and all-pass current responses from the same configuration; independent current control of the natural frequency (ω<inf>o</inf>) and the quality factor (Q); employment of only grounded capacitors which is suitable for integrated circuit implementation; employment of the minimum active and passive components; no requirement of component-matching conditions; low active and passive sensitivities. The characteristics of the proposed circuit are simulated using PSPICE to confirm the theory. © 2012 IEEE.
Some of the metrics are blocked by your
consent settings
0.75-V four-quadrant current multiplier using floating gate-MOS transistors
(2014-10-15)
Kumngern, Montree
;
Chanwutitum, Jirasak
This paper presents a new ultra-low-voltage current-mode four-quadrant analog multiplier. A floating-gate technique is used to provide operating at a supply voltage of 0.75 V for the proposed circuit. PSPICE simulators using 0.18 μm TSMC CMOS process are used to show the workability of the multiplier. Simulation results show that the circuit has a linearity error of 1.5 % for the input current 8 μA, total harmonic distortion of 0.96 % for the input current 8 μA<inf>peak</inf> and quiescent power consumption of 19.9 μW.
Some of the metrics are blocked by your
consent settings
0.5 V, Low-Power Bulk-Driven Current Differencing Transconductance Amplifier
(2024-11-01)
Kumngern, Montree
;
Khateb, Fabian
;
Kulej, Tomasz
This paper presents a novel low-power low-voltage current differencing transconductance amplifier (CDTA). To achieve a low-voltage low-power CDTA, the BD-MOST (bulk-driven MOS transistor) technique operating in a subthreshold region is used. The proposed CDTA is designed in 0.18 µm CMOS technology, can operate with a supply voltage of 0.5 V, and consumes 1.05 μW of power. The proposed CDTA is used to realize a current-mode universal filter. The filter can realize five standard transfer functions of low-pass, band-pass, high-pass and band-stop, and all-pass from the same circuit. Neither component-matching conditions nor input signals of the inverse type are required to realize these filter functions. The current-mode filter offers low-input and high-output impedance and uses grounded capacitors. The natural frequency and quality factor of the filters can be orthogonally controlled. The proposed CDTA and its applications are simulated using SPICE to confirm the feasibility and functionality of the new circuits.
Some of the metrics are blocked by your
consent settings
An electronically tunable current-mode first-order allpass filter using a CCCCTA
(2013-12-01)
Kumngern, Montree
;
Chanwutitum, Jirasak
This paper presents a new current-mode first-order allpass filter employing only one current-controlled current conveyor transconductance amplifier (CCCCTA), one capacitor and one MOS resistor. The pole frequency and the current gain of the filter can be controlled electronically by the bias currents of the CCCCTA. Also, both inverting and non-inverting allpass filters can be achieved into a single circuit. No component-matching condition requirements are needed for realizing allpass filtering function. PSPICE simulations using TSMC 0.25 μm CMOS is performed to examine the proposed filter. © 2013 IEEE.
Some of the metrics are blocked by your
consent settings
A CMOS current-mode multiplier/divider using a current amplifier
(2013-08-28)
Kumngern, Montree
;
Torteanchai, Usa
This paper presents a new realization of current-mode two-quadrant analogue multiplier/divider using only a single current amplifier. CMOS technology is used to realize the proposed circuit. Therefore, it can be implemented by low cost technology. The proposed circuit provides following advantages: low circuit complexity, very suitable for integrated circuit implementation, good temperature stability. PSPICE simulation results using the 0.5 μm CMOS technology from MIETEC are included to confirm the workability of the presented theory. © 2013 IEEE.
Some of the metrics are blocked by your
consent settings
Current-Mode First-Order Versatile Filter Using Translinear Current Conveyors with Controlled Current Gain
(2023-07-01)
Kumngern, Montree
;
Jongchanachavawat, Wirote
;
Phatsornsiri, Punnavich
;
Wongprommoon, Natapong
;
Khateb, Fabian
This paper offers a new current-mode first-order versatile filter employing two translinear current conveyors with controlled current gain and one grounded capacitor. The proposed filter offers the following features: realization of first-order transfer functions of low-pass, high-pass, and all-pass current responses from single topology, availability of non-inverting and inverting transfer functions for all current responses, electronic control of current gain for all current responses, no requirement of component-matching conditions for realizing all current responses, low-input impedance and high-output impedance which are required for current-mode circuits, and electronic control of the pole frequency for all current responses. The proposed first-order versatile filter is used to realize a quadrature sinusoidal oscillator to confirm the advantage of the new topology. To confirm the functionality and workability of new circuits, the proposed circuit and its application are simulated by the SPICE program using transistor model process parameters NR100N (NPN) and PR100N (PNP) of bipolar arrays ALA400-CBIC-R from AT&T.

Kumngern, Montree

Filters

Settings

Sort By

Results per page