Apisak Worapishet

According to our database, Apisak Worapishet authored at least 48 papers between 1999 and 2020.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2020

Performance Improvement of Adaptive Wavelet Thresholding for Speech Enhancement Using Generalized Gaussian Priors and Frame-Wise Context Modeling.

Parna Chakraborty Bhattacharya, Nisachon Tangsangiumvisai, Apisak Worapishet

IEEE Access, 2020

2015

Generalized Analysis of Random Common-Mode Rejection Performance of CMOS Current Feedback Instrumentation Amplifiers.

Apisak Worapishet, Andreas Demosthenous

IEEE Trans. Circuits Syst. I Regul. Pap., 2015

2013

π-Peaking Shunt-Feedback transimpedance amplifier with Bandwidth enhancement.

Panus Sinsoontornpong, Apisak Worapishet

J. Circuits Syst. Comput., 2013

2012

A 0.5-V R-MOSFET-C Filter Design Using Subthreshold R-MOSFET Resistors and OTAs With Cross-Forward Common-Mode Cancellation Technique.

Phanumas Khumsat, Apisak Worapishet

IEEE J. Solid State Circuits, 2012

Measurement of cell and bacterial activity using array-based ISFET Chemical Current-Conveyor in weak-inversion.

Panavy Pookaiyaudom, Apisak Worapishet, F. J. Lidgey, Khaled Hayatleh, Christofer Toumazou

Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, 2012

2011

A CMOS Instrumentation Amplifier With 90-dB CMRR at 2-MHz Using Capacitive Neutralization: Analysis, Design Considerations, and Implementation.

Apisak Worapishet, Andreas Demosthenous, Xiao Liu

IEEE Trans. Circuits Syst. I Regul. Pap., 2011

2010

Theory and Bandwidth Enhancement of Cascaded Double-Stage Distributed Amplifiers.

Apisak Worapishet, Ittipat Roopkom, Wanlop Surakampontorn

IEEE Trans. Circuits Syst. I Regul. Pap., 2010

Accurate Signal-to-Noise Analysis of Derivative and Quadrature Differential FM Discriminators Based on Multi-Sinusoidal AWGN Representation.

Apisak Worapishet, Tanee Demeechai

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010

Analysis of the common-mode induced differential-mode distortion in Gm-C filters.

Terdpun Choogorn, Jirayuth Mahattanakul, Apisak Worapishet

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2010), May 30, 2010

2009

Analysis and Design of Sub-Threshold R-MOSFET Tunable Resistor.

Apisak Worapishet, Phanumas Khumsat

IEICE Trans. Electron., 2009

FPGA Implementation of Highly Modular Fast Universal Discrete Transforms.

Panan Potipantong, Phaophak Sirisuk, Soontorn Oraintara, Apisak Worapishet

IEICE Trans. Electron., 2009

Double-Capacitor Technique for Wide Frequency Range Phase Compensation in G_m-C and MOSFET-C Filters.

Phanumas Khumsat, Apisak Worapishet, Wanlop Surakampontorn

IEICE Trans. Electron., 2009

2008

Performance Enhancement of Switched-Current Technique Using Subthreshold MOS Operation.

Apisak Worapishet, John B. Hughes

IEEE Trans. Circuits Syst. I Regul. Pap., 2008

Theoretical Analysis of Highly Linear Tunable Filters Using Switched-Resistor Techniques.

Amorn Jiraseree-amornkun, Apisak Worapishet, Eric A. M. Klumperink, Bram Nauta, Wanlop Surakampontorn

IEEE Trans. Circuits Syst. I Regul. Pap., 2008

2007

Performance Analysis and Design of Triple-Resonance Interstage Peaking for Wide-Band Cascaded CMOS Amplifiers.

Apisak Worapishet, Ittipat Roopkom, Wanlop Surakampontorn

IEEE Trans. Circuits Syst. I Regul. Pap., 2007

Two-Stage Feedforward Class-AB CMOS OTA for Low-Voltage Filtering Applications.

Phanumas Khumsat, Apisak Worapishet

IEICE Trans. Electron., 2007

Compact Two-Stage Class-AB CMOS OTA for Low-Voltage Filtering Applications.

Phanumas Khumsat, Apisak Worapishet

IEICE Trans. Electron., 2007

Single-stage CMOS OTA for active-RC filter design.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the 18th European Conference on Circuit Theory and Design, 2007

2006

A Multirate Switched-Current Filter Using Class-AB Cascoded Memory.

Apisak Worapishet, Rungsimant Sitdhikorn, Adrian Spencer, John B. Hughes

IEEE Trans. Circuits Syst. II Express Briefs, 2006

Extended Phase Noise Performance in Mutual Negative Resistance CMOS LC Oscillator for Low Supply Voltages.

Apisak Worapishet

IEICE Trans. Electron., 2006

High-gain current amplifiers for low-power MOSFET-C filters.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Slew rate induced distortion in switched-resistor integrators.

Amorn Jiraseree-amornkun, Apisak Worapishet, Eric A. M. Klumperink, Bram Nauta, Wanlop Surakampontorn

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Differential-Mode/Common-Mode Feedforward Transconductor for Low-Voltage Gm-C filters.

Phanumas Khumsat, Apisak Worapishet, Klanarong Noulkaew, Theerachet Soorapanth

Proceedings of the 13th IEEE International Conference on Electronics, 2006

2005

Efficient Mismatch-Insensitive Track-and-Hold Circuit Using Low-Voltage Floating-Gate MOS Transistors.

Apisak Worapishet, Kornika Moolpho, Jitkasame Ngarmnil

IEICE Trans. Electron., 2005

Cascaded double-stage configuration for high-performance broadband amplification in CMOS.

Apisak Worapishet, Ittipat Roopkom

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

Application of reverse-active npns for compact, wide-tuning f_T-integration-based filters in SiGe HBT BiCMOS technology.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

A Scaleable FFT/IFFT Kernel for Communication Systems Using Codesign Approach.

Panan Potipantong, Theerayod Wiangtong, Phaophak Sirisuk, Apisak Worapishet

Proceedings of the 2005 IEEE International Conference on Field-Programmable Technology, 2005

2004

A mutual-negative-resistance quadrature CMOS LC oscillator.

Apisak Worapishet, Sarayut Virunphun, Mitchai Chongcheawchamnan, Sarayut Srisathit

Proceedings of the 2004 International Symposium on Circuits and Systems, 2004

Highly-linear, current-feedback resistive source-degenerated MOS transconductor.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the 2004 International Symposium on Circuits and Systems, 2004

2003

Low-power high-frequency class-AB two-step sampling switched-current techniques.

Apisak Worapishet, John B. Hughes, Christofer Toumazou

IEEE Trans. Circuits Syst. II Express Briefs, 2003

Lumped element based Doherty power amplifier topology in CMOS process.

C. Tongchoi, Mitchai Chongcheawchamnan, Apisak Worapishet

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

An efficient mixed-signal architecture for minimum output energy blind multiuser detection.

Phaophak Sirisuk, Apisak Worapishet, Saifon Tanoi

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

Class-AB f_T-integrator for low-distortion, high-frequency continuous-time filters.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the 2003 10th IEEE International Conference on Electronics, 2003

2002

Low-power complex channel filtering using cascoded class AB switched-currents.

Apisak Worapishet, R. Sitdhikorn, John B. Hughes

Proceedings of the 2002 International Symposium on Circuits and Systems, 2002

F_T-integrator in digital CMOS process for continuous-time ΣΔ modulator.

Phanumas Khumsat, Apisak Worapishet, Alison J. Burdett

Proceedings of the 2002 9th IEEE International Conference on Electronics, 2002

Enhanced tuneable coupled inductor for ultra-wide variable centre frequency LC filters.

Apisak Worapishet, S. Ninyawee, Mitchai Chongcheawchamnan

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems 2002, 2002

A low cost real-time intelligent taximeter sensor.

S. Jantarang, Panan Potipantong, Apisak Worapishet

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems 2002, 2002

A pixel-level ADC with improved performance trade-off for high-speed CMOS imagers.

V. Boonsobhak, Apisak Worapishet

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems 2002, 2002

2001

Speed and accuracy enhancement techniques for high-performance switched-current comparators.

Apisak Worapishet, John B. Hughes, Chris Toumazou

IEEE J. Solid State Circuits, 2001

Magnetically-coupled tuneable inductor for wide-band variable frequency oscillators.

Apisak Worapishet, Suttipong Ninyawee

Proceedings of the 2001 International Symposium on Circuits and Systems, 2001

A low-voltage neutralised class AB switched-current technique.

R. Sitdhikorn, Apisak Worapishet, John B. Hughes

Proceedings of the 2001 International Symposium on Circuits and Systems, 2001

fT-integration based continuous-time filters for very high frequencies.

Phanumas Khumsat, Apisak Worapishet

Proceedings of the 2001 International Symposium on Circuits and Systems, 2001

On the feasibility of f_T-integration employing reverse-active vertical npn's.

Phanumas Khumsat, Apisak Worapishet, Alison J. Payne

Proceedings of the 2001 8th IEEE International Conference on Electronics, 2001

2000

Low-voltage class AB two-step sampling switched-currents.

Apisak Worapishet, John B. Hughes, Christofer Toumazou

Proceedings of the IEEE International Symposium on Circuits and Systems, 2000

Switched-capacitors versus switched-currents: a theoretical comparison [in CMOS].

John B. Hughes, Apisak Worapishet, Christofer Toumazou

Proceedings of the IEEE International Symposium on Circuits and Systems, 2000

1999

Error neutralised switched-current comparator.

Apisak Worapishet, John B. Hughes, Christofer Toumazou

Proceedings of the 1999 International Symposium on Circuits and Systems, ISCAS 1999, Orlando, Florida, USA, May 30, 1999

Class AB technique for high performance switched-current memory cells.

Apisak Worapishet, John B. Hughes, Christofer Toumazou

Proceedings of the 1999 International Symposium on Circuits and Systems, ISCAS 1999, Orlando, Florida, USA, May 30, 1999

Double-regenerated switched-current comparator.

Apisak Worapishet, John B. Hughes, Chris Toumazou

Proceedings of the 6th IEEE International Conference on Electronics, Circuits and Systems, 1999