Browsing School of Microelectronic Engineering (Articles) by Title

Now showing items 114-133 of 185

    • Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications 

      Sohiful Anuar, Zainol Murad, Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Pokharel, Ramesh Kumar, Prof.; Kanaya, Haruichi, Assoc. Prof.; Yoshida, Keiji, Prof (John Wiley & Sons, Inc., 2012-04)
      This letter presents linearity improvement up-conversion mixer at 5.2 GHz for wireless applications. The design is based on Gilbert-cell active double-balanced mixer using derivative superposition method for linearity ...

    • Low density fibrous material surface light reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The light based surface finishing of most product measurement is an important feature in the industries. In this paper, a lab fabricated tester for investigation on the quality of low density paper which was represent by ...

    • Low loss optimization of strip channel polysilicon waveguide fabrication 

      Mukhzeer, Mohamad Shahimin, Dr.; Ang, Keng Chuan; Khor, Kang Nan (American-Eurasian Network for Scientific Information, 2013)
      Research on waveguide structures, its behaviour and material properties are very extensive for a wide range of applications. Generally, waveguides are used for optical devices such as biosensors. This paper investigates ...

    • Low power shoe integrated intelligent wireless gait measurement system 

      Yufridin, Wahab, Dr.; Mazlee, Mazalan; Norantanum, Abu Bakar; A F, Anuar; Mohammad Zaidi, Zainol; F, Hamzah (Institute of Physics Publishing, 2014)
      Gait analysis measurement is a method to assess and identify gait events and the measurements of dynamic, motion and pressure parameters involving the lowest part of the body. This significant analysis is widely used in ...

    • Low-power H.264 video compression architectures for mobile communication 

      Asral Bahari, Jambek; Tughrul, Arslan; Ahmet Teyfik, Erdogan (Institute of Electrical and Electronics Engineers (IEEE), 2009-09)
      This paper presents a method to reduce the computation and memory access for variable block size motion estimation (ME) using pixel truncation. Previous work has focused on implementing pixel truncation using a fixed-blocksize ...

    • Main effects study on plasma etched aluminium metallization 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow (Trans Tech Publications, 2014-01)
      Main effects contributing to the quality of surface roughness on an etched aluminium metallization wafer using Reactive Ion Etching (RIE) was studied. A total of three controllable process variables, with eight sets of ...

    • Measurements and analysis of a probe-fed circularly polarized loop antenna printed on a layered dielectric sphere 

      Mohd Najib, Mohd Yasin, Dr.; Salam, Khamas, Dr. (Institute of Electrical and Electronics Engineers, 2012-04)
      Radiation characteristics of a probe-fed open circular loop antenna are presented when the antenna isprinted on a layered dielectric sphere. A smaller parasitic circular loop has been incorporated in the configuration to ...

    • Microchannel miter bend effects on pressure equalization and vortex formation 

      Taniselass, S.; Retnasamy, Vithyacharan; Poopalan, Prabakaran, Prof. Madya Dr. (Springer-Verlag, 2011)
      Simulations have been carried out for water flow in a square microchannel with a miter bend. The simulation considered a pressure-driven flow in a channel-hydraulic diameter of 5 μm for series of Reynolds number (Re) range ...

    • Microfluidic channel depth determination with Tywman-Green interferometer 

      Wan Mokhdzani, Wan Nor Haimi; Zaliman, Sauli, Prof. Madya Dr.; Retnasamy, Vithyacharan; Taniselass, S.; N., Ramli; M. H. A. Aziz; R., Hatta (Springer-Verlag London., 2013-07)
      A microfluidic channel is fabricated on a silica wafer using reactive ion etching (RIE). The depth of the microfluidic channel has been measured using a surface profilometer and a Twyman-Green interferometer (TGI) setup. ...

    • Modelling RTN and BTI in nanoscale MOSFETs from device to circuit: a review 

      Louis, Gerrer; Ding, J.; Amoroso, S. M.; Adamu-Lema, F.; R., Hussin; Reid, D.; Millar, C.; Asenov, A. (Elsevier, 2014-04)
      In this paper we summarize the impact of Statistical Variability (SV) on device performances and study the impact of oxide trapped charges in combination with SV. Traps time constants are described and analysed in combination ...

    • Modified CMFB circuit with enhanced accuracy for data converter application 

      Mohd Fairus, Ahmad; Sohiful Anuar, Zainol Murad; Mukhzeer, Mohamad Shahimin; Shamsul Amir, Abdul Rais; Ahmad Fariz, Hasan (Trans Tech Publications, 2014)
      Enhanced feedback voltage of common mode feedback (CMFB) circuit is designed in this work for CMOS data sampling application using 0.18-μm Silterra process technology. The double error detecting point circuit is employed ...

    • Monitoring System for uninterruptible power supply 

      Sohiful Anuar, Zainol Murad; Mohd Nazrin, Md Isa; Norazeani, Abdul Rahman (Science Publications, 2007)
      In industrial process today, reliability of equipment is very important. Power supply must be able to cater the need of industrial process. In case of power failure, backup power supply system must be able to support the ...

    • Nano patterning of cone dots and nano constrictions of negative e-beam resist for single electron transistor fabrication 

      Sutikno, Madnasri; Uda, Hashim; Zul Azhar, Zahid Jamal (Springer New York, 2007-12)
      We present an optimization of nano dot of negative tone e-beam resist which is a very important step in single electron transistor fabrication process. The optimum design of dot and nano constriction plays a significant ...

    • Nano-silver microcavity enhanced UV GaN light emitter 

      Naser Mahmoud, Ahmed; Zaliman, Sauli; Uda, Hashim; Zul Azhar, Zahid Jamal (Inderscience Enterprises Limited, 2009)
      We report results of measurements that help to clarify the role of silver in the reflection of UV emission light from GaN. A GaN as an active layer was sandwiched between two silver metal reflectors. GaN layer on sapphire ...

    • Nanowire formation for single electron transistor using SEM based Electron Beam Lithography (EBL) technique: Positive tone vs negative tone e-beam resist 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim; Nur Hamidah, Abdul Halim; Bajuri, S. N M (Nano Science and Technology Institute, 2006)
      Experimental studies of nanowires formation are carried out by using Scanning Electron Microscope Based Electron Beam Lithography (EBL) Technique with critical dimensions in less than 100nm. In order to complete the design ...

    • Natural heat convection analysis on cylindrical Al slug of LED 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah; Nazuhusna, Khalid (Trans Tech Publications, 2014-01)
      This paper presents the characterization of a single chip high power LED package through simulation. Ansys version 11 was used for the simulation. The characterization of the LED package with aluminum cylindrical heat slug ...

    • Normal and hypoacoustic infant cry signal classification using time-frequency analysis and general regression neural network 

      Hariharan, Muthusamy, Dr.; Sindhu, R; Sazali, Yaacob, Prof. Dr. (Elsevier Ireland Ltd., 2012-11)
      Crying is the most noticeable behavior of infancy. Infant cry signals can be used to identify physical or psychological status of an infant. Recently, acoustic analysis of infant cry signal has shown promising results and ...

    • Nuclear matter and surface clustering 

      Qamar Nasir, Usmani, Prof. Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Zaliman, Sauli, Dr. (IOP Publishing Ltd, 2013)
      We demonstrate that the binding energy per nucleon of symmetric nuclear matter (SNM) (with Coulomb interaction switched off and N Z) in the limit of zero density approaches to its value, uv, at the saturation density, where ...

    • Numerical analysis of velocity profile in a FFS microchannel 

      Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      Manipulation of the fluid flow behavior in microfluidic with precision technique is crucial to satisfy the needs of miniaturized systems. Velocity measurement is one of the physical phenomena plays significant role to ...

    • Objective evaluation of speech dysfluencies using wavelet packet transform with sample entropy 

      Hariharan, Muthusamy, Dr.; Chong, Yen Fook; Sindhu, Ravindran; Abdul Hamid, Adom, Prof. Dr.; Sazali, Yaacob, Prof. Dr. (Elsevier Inc, 2013-05)
      Dysfluency and stuttering are a break or interruption of normal speech such as repetition, prolongation, interjection of syllables, sounds, words or phrases and involuntary silent pauses or blocks in communication. Stuttering ...