Masao Taguchi

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Males of the damselfly,Mnais pruinosa costalis, exhibit wing color dimorphism: one form has orange wings, and the other hyaline wings which resemble female wings. The former is usually territorial and the latter uses sneaky mate securing tactics. When orange-winged males failed to establish territory, they became floaters that day. Hyaline-winged males(More)
Under radio-frequency operation of MOSFETs, not only conventional 1-V characteristics and their derivatives but also higher-order phenomena have to be modeled accurately for reliable circuit performance prediction. To reproduce such critical device characteristics model development tends to follow device physics as much as possible. The surface-potential(More)
A reduced-reflection multi-drop bus system using Dicode (1-D) partial response signaling transceiver is presented for the first time in the world. Directional couplers on transmission lines arranged with equi-energy distributing and exact impedance matched conditions allow the bus to reach to 12.5Gbps/link speed. The transmission line has 5-convex portions(More)
We have developed a high-frequency noise model for short channel MOSFETs by considering the position dependent surface potential which results in a non-uniform mobility distribution along the channel. The chosen approach successfully reproduces the induced-gate noise and the cross-correlation noise between drain and gate for short channel MOSFETs without(More)
Carrier dynamics in a MOSFET channel under fast time-varying gate input is included in the modeling for circuit simulation and implemented in SPICE3f5 at only 7% increased computational runtime cost. Correct reproduction of transient drain currents as well as harmonic-distortion characteristics are verified. While the carrier dynamics under low-frequency(More)
We have developed MOSFETs noise models for the 1/f, thermal and induced-gate noise based on self-consistent surface-potential description. Consideration of non-uniform mobility and carrier distributions arising from the surface potential distribution along the channel is indispensable for accurate noise modeling for RF applications. The developed noise(More)
An 8.5-Gb/s/link non-contact multi-drop bus is presented. The signal reflections that limit the data rates of conventional multi-drop bus interfaces are dramatically reduced by using transmission line couplers at each signal branching point. As an energy-equipartitioned technique provides the same signal level to every port, wider receiver margin is(More)