Double-regenerated switched-current comparator. - Apisak Worapishet; John B. Hughes; Chris Toumazou (ICECS, 1999)

Class AB technique for high performance switched-current memory cells. - Apisak Worapishet; John B. Hughes; Christofer Toumazou (ISCAS (2), 1999)

Error neutralised switched-current comparator. - Apisak Worapishet; John B. Hughes; Christofer Toumazou (ISCAS (2), 1999)

Switched-capacitors versus switched-currents: a theoretical comparison [in CMOS]. - John B. Hughes; Apisak Worapishet; Christofer Toumazou (ISCAS, 2000)

Low-voltage class AB two-step sampling switched-currents. - Apisak Worapishet; John B. Hughes; Christofer Toumazou (ISCAS, 2000)

On the feasibility of fT-integration employing reverse-active vertical npn's. - Phanumas Khumsat; Apisak Worapishet; Alison J. Payne (ICECS, 2001)

fT-integration based continuous-time filters for very high frequencies. - Phanumas Khumsat; Apisak Worapishet (ISCAS (1), 2001)

A low-voltage neutralised class AB switched-current technique. - R. Sitdhikorn; Apisak Worapishet; John B. Hughes (ISCAS (1), 2001)

Magnetically-coupled tuneable inductor for wide-band variable frequency oscillators. - Apisak Worapishet; Suttipong Ninyawee (ISCAS (3), 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)

A pixel-level ADC with improved performance trade-off for high-speed CMOS imagers. - V. Boonsobhak; Apisak Worapishet (APCCAS (1), 2002)

A low cost real-time intelligent taximeter sensor. - S. Jantarang; Panan Potipantong; Apisak Worapishet (APCCAS (1), 2002)

Enhanced tuneable coupled inductor for ultra-wide variable centre frequency LC filters. - Apisak Worapishet; S. Ninyawee; Mitchai Chongcheawchamnan (APCCAS (1), 2002)

FT-integrator in digital CMOS process for continuous-time ΣΔ modulator. - Phanumas Khumsat; Apisak Worapishet; Alison J. Burdett (ICECS, 2002)

Low-power complex channel filtering using cascoded class AB switched-currents. - Apisak Worapishet; R. Sitdhikorn; John B. Hughes (ISCAS (4), 2002)

Class-AB fT-integrator for low-distortion, high-frequency continuous-time filters. - Phanumas Khumsat; Apisak Worapishet (ICECS, 2003)

An efficient mixed-signal architecture for minimum output energy blind multiuser detection. - Phaophak Sirisuk; Apisak Worapishet; Saifon Tanoi (ISCAS (1), 2003)

Lumped element based Doherty power amplifier topology in CMOS process. - C. Tongchoi; Mitchai Chongcheawchamnan; Apisak Worapishet (ISCAS (1), 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)

Highly-linear, current-feedback resistive source-degenerated MOS transconductor. - Phanumas Khumsat; Apisak Worapishet (ISCAS (1), 2004)

A mutual-negative-resistance quadrature CMOS LC oscillator. - Apisak Worapishet; Sarayut Virunphun; Mitchai Chongcheawchamnan; Sarayut Srisathit (ISCAS (4), 2004)

A Scaleable FFT/IFFT Kernel for Communication Systems Using Codesign Approach. - Panan Potipantong; Theerayod Wiangtong; Phaophak Sirisuk; Apisak Worapishet (FPT, 2005)

Application of reverse-active npns for compact, wide-tuning fT-integration-based filters in SiGe HBT BiCMOS technology. - Phanumas Khumsat; Apisak Worapishet (ISCAS (6), 2005)

Cascaded double-stage configuration for high-performance broadband amplification in CMOS. - Apisak Worapishet; Ittipat Roopkom (ISCAS (2), 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)

Differential-Mode/Common-Mode Feedforward Transconductor for Low-Voltage Gm-C filters. - Phanumas Khumsat; Apisak Worapishet; Klanarong Noulkaew; Theerachet Soorapanth (ICECS, 2006)

Slew rate induced distortion in switched-resistor integrators. - Amorn Jiraseree-amornkun; Apisak Worapishet; Eric A. M. Klumperink; Bram Nauta; Wanlop Surakampontorn (ISCAS, 2006)

High-gain current amplifiers for low-power MOSFET-C filters. - Phanumas Khumsat; Apisak Worapishet (ISCAS, 2006)

Extended Phase Noise Performance in Mutual Negative Resistance CMOS LC Oscillator for Low Supply Voltages. - Apisak Worapishet (IEICE Trans. Electron., 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)

Single-stage CMOS OTA for active-RC filter design. - Phanumas Khumsat; Apisak Worapishet (ECCTD, 2007)

Compact Two-Stage Class-AB CMOS OTA for Low-Voltage Filtering Applications. - Phanumas Khumsat; Apisak Worapishet (IEICE Trans. Electron., 2007)

Two-Stage Feedforward Class-AB CMOS OTA for Low-Voltage Filtering Applications. - Phanumas Khumsat; Apisak Worapishet (IEICE Trans. Electron., 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)

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)

Performance Enhancement of Switched-Current Technique Using Subthreshold MOS Operation. - Apisak Worapishet; John B. Hughes (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

Double-Capacitor Technique for Wide Frequency Range Phase Compensation in Gm-C and MOSFET-C Filters. - Phanumas Khumsat; Apisak Worapishet; Wanlop Surakampontorn (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)

Analysis and Design of Sub-Threshold R-MOSFET Tunable Resistor. - Apisak Worapishet; Phanumas Khumsat (IEICE Trans. Electron., 2009)

Analysis of the common-mode induced differential-mode distortion in Gm-C filters. - Terdpun Choogorn; Jirayuth Mahattanakul; Apisak Worapishet (ISCAS, 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)

Theory and Bandwidth Enhancement of Cascaded Double-Stage Distributed Amplifiers. - Apisak Worapishet; Ittipat Roopkom; Wanlop Surakampontorn (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

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 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2011)

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 (ISCAS, 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)

π-Peaking Shunt-Feedback transimpedance amplifier with Bandwidth enhancement. - Panus Sinsoontornpong; Apisak Worapishet (J. Circuits Syst. Comput., 2013)

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)

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)