Apisak Worapishet

Phanumas Khumsat, Apisak Worapishet: A 0.5-V R-MOSFET-C Filter Design Using Subthreshold R-MOSFET Resistors and OTAs With Cross-Forward Common-Mode Cancellation Technique. J. Solid-State Circuits 47(11): 2751-2762 (2012)

Panavy Pookaiyaudom, Apisak Worapishet, F. J. Lidgey, Khaled Hayatleh, Christofer Toumazou: Measurement of cell and bacterial activity using array-based ISFET Chemical Current-Conveyor in weak-inversion. ISCAS 2012: 2059-2062

Apisak Worapishet, Andreas Demosthenous, Xiao Liu: A CMOS Instrumentation Amplifier With 90-dB CMRR at 2-MHz Using Capacitive Neutralization: Analysis, Design Considerations, and Implementation. IEEE Trans. on Circuits and Systems 58-I(4): 699-710 (2011)

Apisak Worapishet, Tanee Demeechai: Accurate Signal-to-Noise Analysis of Derivative and Quadrature Differential FM Discriminators Based on Multi-Sinusoidal AWGN Representation. IEICE Transactions 93-A(10): 1755-1764 (2010)

Apisak Worapishet, Ittipat Roopkom, Wanlop Surakampontorn: Theory and Bandwidth Enhancement of Cascaded Double-Stage Distributed Amplifiers. IEEE Trans. on Circuits and Systems 57-I(4): 759-772 (2010)

Terdpun Choogorn, Jirayuth Mahattanakul, Apisak Worapishet: Analysis of the common-mode induced differential-mode distortion in Gm-C filters. ISCAS 2010: 3621-3624

Apisak Worapishet, Phanumas Khumsat: Analysis and Design of Sub-Threshold R-MOSFET Tunable Resistor. IEICE Transactions 92-C(1): 135-143 (2009)

Phanumas Khumsat, Apisak Worapishet, Wanlop Surakampontorn: Double-Capacitor Technique for Wide Frequency Range Phase Compensation in G_m-C and MOSFET-C Filters. IEICE Transactions 92-C(1): 178-182 (2009)

Panan Potipantong, Phaophak Sirisuk, Soontorn Oraintara, Apisak Worapishet: FPGA Implementation of Highly Modular Fast Universal Discrete Transforms. IEICE Transactions 92-C(4): 576-586 (2009)

Apisak Worapishet, John B. Hughes: Performance Enhancement of Switched-Current Technique Using Subthreshold MOS Operation. IEEE Trans. on Circuits and Systems 55-I(11): 3582-3592 (2008)

Amorn Jiraseree-amornkun, Apisak Worapishet, Eric A. M. Klumperink, Bram Nauta, Wanlop Surakampontorn: Theoretical Analysis of Highly Linear Tunable Filters Using Switched-Resistor Techniques. IEEE Trans. on Circuits and Systems 55-I(11): 3641-3654 (2008)

Phanumas Khumsat, Apisak Worapishet: Compact Two-Stage Class-AB CMOS OTA for Low-Voltage Filtering Applications. IEICE Transactions 90-C(2): 543-546 (2007)

Phanumas Khumsat, Apisak Worapishet: Two-Stage Feedforward Class-AB CMOS OTA for Low-Voltage Filtering Applications. IEICE Transactions 90-C(12): 2293-2296 (2007)

Apisak Worapishet: Extended Phase Noise Performance in Mutual Negative Resistance CMOS LC Oscillator for Low Supply Voltages. IEICE Transactions 89-C(6): 732-738 (2006)

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

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

Apisak Worapishet, Kornika Moolpho, Jitkasame Ngarmnil: Efficient Mismatch-Insensitive Track-and-Hold Circuit Using Low-Voltage Floating-Gate MOS Transistors. IEICE Transactions 88-C(6): 1148-1153 (2005)

Panan Potipantong, Theerayod Wiangtong, Phaophak Sirisuk, Apisak Worapishet: A Scaleable FFT/IFFT Kernel for Communication Systems Using Codesign Approach. FPT 2005: 329-330

Apisak Worapishet, Ittipat Roopkom: Cascaded double-stage configuration for high-performance broadband amplification in CMOS. ISCAS (2) 2005: 1606-1609

Phanumas Khumsat, Apisak Worapishet: Application of reverse-active npns for compact, wide-tuning f/sub T/-integration-based filters in SiGe HBT BiCMOS technology. ISCAS (6) 2005: 5954-5957

Apisak Worapishet, Sarayut Virunphun, Mitchai Chongcheawchamnan, Sarayut Srisathit: A mutual-negative-resistance quadrature CMOS LC oscillator. ISCAS (4) 2004: 137-140

Phanumas Khumsat, Apisak Worapishet: Highly-linear, current-feedback resistive source-degenerated MOS transconductor. ISCAS (1) 2004: 689-692

C. Tongchoi, Mitchai Chongcheawchamnan, Apisak Worapishet: Lumped element based Doherty power amplifier topology in CMOS process. ISCAS (1) 2003: 445-448

Phaophak Sirisuk, Apisak Worapishet, Saifon Tanoi: An efficient mixed-signal architecture for minimum output energy blind multiuser detection. ISCAS (1) 2003: 765-768

S. Jantarang, Panan Potipantong, Apisak Worapishet: A low cost real-time intelligent taximeter sensor. APCCAS (1) 2002: 217-220

Apisak Worapishet, S. Ninyawee, Mitchai Chongcheawchamnan: Enhanced tuneable coupled inductor for ultra-wide variable centre frequency LC filters. APCCAS (1) 2002: 355-358

V. Boonsobhak, Apisak Worapishet: A pixel-level ADC with improved performance trade-off for high-speed CMOS imagers. APCCAS (1) 2002: 581-584

Apisak Worapishet, R. Sitdhikorn, John B. Hughes: Low-power complex channel filtering using cascoded class AB switched-currents. ISCAS (4) 2002: 453-456

Phanumas Khumsat, Apisak Worapishet: fT-integration based continuous-time filters for very high frequencies. ISCAS (1) 2001: 248-251

Apisak Worapishet, S. Ninyawee: Magnetically-coupled tuneable inductor for wide-band variable frequency oscillators. ISCAS (3) 2001: 517-520

R. Sitdhikorn, Apisak Worapishet, John B. Hughes: A low-voltage neutralised class AB switched-current technique. ISCAS (1) 2001: 675-678

Apisak Worapishet, John B. Hughes, Christofer Toumazou: Class AB technique for high performance switched-current memory cells. ISCAS (2) 1999: 456-459

Apisak Worapishet, John B. Hughes, Christofer Toumazou: Error neutralised switched-current comparator. ISCAS (2) 1999: 464-467