Apisak WORAPISHET


Accurate Signal-to-Noise Analysis of Derivative and Quadrature Differential FM Discriminators Based on Multi-Sinusoidal AWGN Representation
Apisak WORAPISHET Tanee DEMEECHAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/10/01
Vol. E93-A  No. 10  pp. 1755-1764
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
noise performance analysismulti-sinusoidal noise analysislow power wireless radiosFM discriminator
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FPGA Implementation of Highly Modular Fast Universal Discrete Transforms
Panan POTIPANTONG Phaophak SIRISUK Soontorn ORAINTARA Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/04/01
Vol. E92-C  No. 4  pp. 576-586
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
UDFHTDHTDSTDFTDCTFFTFPGAreconfigurable computing
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Double-Capacitor Technique for Wide Frequency Range Phase Compensation in Gm-C and MOSFET-C Filters
Phanumas KHUMSAT Apisak WORAPISHET Wanlop SURAKAMPONTORN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/01/01
Vol. E92-C  No. 1  pp. 178-182
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
Gm-C filterMOSFET-C filterphase compensationphase errorcapacitive peaking
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Analysis and Design of Sub-Threshold R-MOSFET Tunable Resistor
Apisak WORAPISHET Phanumas KHUMSAT 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/01/01
Vol. E92-C  No. 1  pp. 135-143
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
MOSFET resistorR-MOSFET resistorsub-threshold techniqueslow voltage techniques
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Two-Stage Feedforward Class-AB CMOS OTA for Low-Voltage Filtering Applications
Phanumas KHUMSAT Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12  pp. 2293-2296
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
operational transconductance amplifierOTAactive-RC filtersMOSFET-C filtersfeedforward
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Compact Two-Stage Class-AB CMOS OTA for Low-Voltage Filtering Applications
Phanumas KHUMSAT Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 543-546
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
operational transconductance amplifierOTAactive-RC filtersMOSFET-C filters
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Extended Phase Noise Performance in Mutual Negative Resistance CMOS LC Oscillator for Low Supply Voltages
Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 732-738
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
analog circuitsLC oscillator circuitsCMOS analog circuitshigh-frequency circuits
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Efficient Mismatch-Insensitive Track-and-Hold Circuit Using Low-Voltage Floating-Gate MOS Transistors
Apisak WORAPISHET Kornika MOOLPHO Jitkasame NGARMNIL 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1148-1153
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Building Block
Keyword: 
floating-gate analog circuitstrack-and-hold circuitslow-voltage analog techniques
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Low Power Switched-Current FIR Core for Modern Wireless Transceivers
Apisak WORAPISHET Phaophak SIRISUK 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1903-1909
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
switched-current techniquesFIR filterscorrelator
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An All-Port Matched Impedance-Transforming Marchand Balun and Its Mixer Application
Mitchai CHONGCHEAWCHAMNAN Kamorn BANDUDEJ Apisak WORAPISHET Choon Yong NG Ian D. ROBERTSON 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1593-1600
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
Marchand balunimpedance transformingall-port matchingcoupled-line phase-inverterring-diode mixer
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