Special Section on Analog Circuit Techniques in the Digital-Oriented Era ======================================================================== . FOREWORD ........................................................ 209 Yasuhiro SUGIMOTO INVITED PAPER ============= . Analog Circuit Design Methodology in a Low Power RISC Microprocessor ........................................................ 210 Koichiro ISHIBASHI, Hisayuki HIGUCHI, Toshinobu SHIMBO, Kunio UCHIYAMA,Kenji SHIOZAWA, Naotaka HASHIMOTO, and Shuji IKEDA PAPERS ====== . A 2-GHz 60-dB Dynamic-Range Si Logarithmic/Limiting Amplifier with Low Phase Deviations ............................................ 218 Tsuneo TSUKAHARA and Masayuki ISHIKAWA . A Novel Broad-Band MMIC VCO Using an Active Inductor ............ 224 Hitoshi HAYASHI and Masahiro MURAGUCHI . 10ƒÊA Quiescent Current Opamp Design for LCD Driver ICs ......... 230 Tetsuro ITAKURA and Hironori MINAMIZAKI . A Low Power Dissipation Technique for a Low Voltage OTA ......... 237 Eitake IBARAGI, Akira HYOGO, and Keitaro SEKINE . Realization of Universal Active Complex Filter Using CClls and CFCClls ......................................................... 244 Xiaoxing ZHANG, Xiayu NI, Masahiro IWAHASHI, and Noriyoshi KAMBAYASHI LETTERS ======= . An 8 Bit Current-Mode CMOS A/D Converter with Three Level Folding Amplifiers ...................................................... 252 Kyung-Myun KIM and Kwang Sub YOON . A Current-to-Frequency Converter for Switched-Current Circuits .. 256 Yukihiro KURODA, Akira HYOGO, and Keitaro SEKINE . Design of a Sub-1.5V, 20MHz, 0.1% MOS Current-Mode Sample-and-Hold Circuit ......................................................... 258 Yasuhiro SUGIMOTO and Masahiro SEKIYA . A Realization of a Low-Voltage Differential-Output OTA Using a Simple CM Amplifier ............................................. 261 Fujihiko MATSUMOTO and Yasuaki NOGUCHI . Current-Mode Active RC Filters Using Current Followers .......... 265 Mitsuo OKINE and Noriaki KATSUHARA Regular Section =============== PAPERS ====== [Acoustics] . Perceptual Contributions of Static and Dynamic Features of Vocal Tract Characteristics to Talker Individuality ................... 268 Weizhong ZHU and Hideki KASUYA [Digital Signal Processing] . Consideration on the Optimum Interpolation and Design of Linear Phase Filterbanks with High Attenuation in Stop Bands ........... 275 Takuro KIDA and Yuichi KIDA [Modeling and Simulation] . A Simulation Scheme for Estimating Deadline of Real-Time Task Modeled in Timed Petri Net ...................................... 288 Won-Ho CHUNG and Hyunsoo YOON . On Analysis of Acceptable Region of a Statistical Multiplexer Based on Fractional Brownian Traffic Models ........................... 295 Suhono HARSO SUPANGKAT, Shuji KAWASAKI, and Hiroyoshi MORITA [Numerical Analysis and Optimization] . ILIN: An Implementation of the Integer Labeling Algorithm for Integer Programming ............................................. 304 Qiang LI, Fred JANSSEN, Zaifu YANG, and Tetsuo IDA [Algorithms and Data Structures] . Generalized Edge-Rankings of Trees .............................. 310 Xiao ZHOU, Md. Abul KASHEM, and Takao NISHIZEKI [Information Theory and Coding Theory] . A Sufficient Condition for Ruling Out Some Useless Test Error Patterns in Iterative Decoding Algorithms ....................... 321 Takuya KOUMOTO, Tadao KASAMI, and Shu LIN [Spread Spectrum Technologies and Applications] . Performances of Asynchronous Slow-Frequency-Hopped Multiple Access Systems with RTT Techniques for Side Information Generation ..... 327 Ing-Jiunn SU and Jingshown WU [Neural Networks] . A Tighter Upper Bound on Storage Capacity of Multilayer Networks 333 Haruhisa TAKAHASHI LETTERS ======= [Analog Signal Processing] . Equal-R, Equal-C Current Mode Butterworth Lowpass Filters ....... 340 Ahmed M. SOLIMAN . Bayesian Formulation of Nonlinear Filters and Their Electronic Implementation .................................................. 343 Sadanobu YOSHIMOTO and Kiichi URAHAMA [Nonlinear Problems] . New Formulas on Orthogonal Functionals of Stochastic Binary Sequence with Unequal Probability ........................................ 347 Lan GAO and Junichi NAKAYAMA [Information Theory and Coding Theory] . A Systematic Construction of Inner Codes in Generalized Concatenated Codes for Correcting Unidirectional Byte Errors ................. 351 Ching-Nung YANG and Chi-Sung LAIH [Neural Networks] . A Comparative Study of Eight Learning Algorithms for Artificial Neural Networks Based on a Real Application ..................... 355 Yadira SOLANO and Hiroaki IKEDA . ABSTRACTS (IEICE Trans., Vol.J81-A, No.2 in Japanese) ........... 358