Now showing items 1-20 of 604

    • 1.5V, 2.4GHz highly linear CMOS downconversion mixer 

      Kumar, Ch. Uday (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      In the tremendous growth of wireless handheld devices, low power consumption becomes a major consideration in radio frequency integrated circuit (RFIC) designs. This thesis explores low voltage low power RFIC design for ...
    • 10-bit high speed high SFDR current steering DAC 

      Bapodra, Dhairya B. (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      The Thesis presents an attempt to design a 10-bit High Speed High SFDR Current Steering DAC with a simple and different approach. Most of earlier approaches contain complex design and bulky unary portion. Here an approach ...
    • 16 bit dual threshold voltage conditional carry adder. 

      Dobaria, Renish (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      So many different circuits and different schemes are applied to make circuit faster and less power consumptive. In this thesis, 16-bit dual threshold voltage conditional carry adder, with two proposed modification for ...
    • 1v rail to tail operational amplifier design for sample and hold circuits 

      Kumar, Mahesh (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      At low voltage, the input common mode voltage of Operational amplifier is limited which restricts its use as a buffer. This works deals with designing a rail to rail amplifier. The Thesis presents a 1V rail to rail operational ...
    • 6bit 800 MHz time-interleaved analog to digital converter based on successive approximation in 65 nm standard CMOS process 

      Salimath, Arunkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      High-speed analog-to-digital converters (ADCs) with resolutions of 6 bits find wide application in instrumentation, wireless systems, optical communication. This dissertation presents a 6 bit, 8 channel Time-Interleaved ...
    • A 0.18µ low power dual-mode transceiver front-end design for high speed bluetooth systems 

      Dalwadi, Gaurav (Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
      Today’s market trend is to possess a single multi-purpose, multi-functional personal device for various wireless personal area network (WPAN) applications. So it raises a great demand to develop multi-mode/multi-standard ...
    • Abstractive text summarization using universal dependency labels, LSA and graph based approach 

      Pappan, Shiju (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      With the advancements in technology and the increase in the available informationon the Internet it becomes a tiring task to go through each and everydocument available on net to get a gist of each. This could have been ...
    • Accurate on-chip current sensing technique for Buck converter 

      Jain, Priyanka (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      Current mode bucks converters have many advantages over voltage mode control such automatic over-current protection, Better stability, better line regulation and faster dynamic response. Many different current sensing ...
    • ACIDS: automated co-stimulation based intrusion detection system with a sense of dynamic self 

      Kamra, Pooja (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      Automated Co-stimulation based Intrusion detection system with a sense of Dynamic Self, or ACIDS, is a distributed architecture for intrusion detection systems. Other than the already used aspects of human immune systems ...
    • Acoustic analysis of musical pillars of vitthala temple, Hampi 

      Lakshmipriya, V. K. (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      This thesis is a systematic investigation on the acoustics of musical pillars of Vitthala temple at Hampi, India. The columns of different pillars produce sounds of different musical instruments (in particular, instruments ...
    • Acoustic source localization using audio and video sensors 

      Mouli, P. Chandra (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      Problem of localizing an acoustic source using microphone array and video camera is studied. In general, it’s quite obvious that a human with both, eyes and ears can make out things more accurately than to a human who is ...
    • Acoustic-to-articulatory inversion: speech quality assessment and smoothness constraint 

      Rajpal, Avni (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      The ability of humans to speak effortlessly, require coordinated movements of various articulators, muscles, etc. This effortless movement contributes towards naturalness, intelligibility and speaker identity in human ...
    • Active contours in action 

      Shah, Pratik P. (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      There was considerable success in converting images into something like line drawings without resorting to any but the most general prior knowledge about smoothness and continuity. That led to the problem of “grouping” ...
    • Active sub-harmonic mixer 

      Majithiya, Bhumik Kiritbhai (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      A superheterodyne receiver is commonly used receiver, but its main problem is its large size. To increase the integration and reduce the size of the receiver, the concept of direct conversion receiver came in the picture. ...
    • Acyclic edge coloring of complete r-partite graphs 

      Teja, V. Krishna (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      An acyclic edge coloring of a graph G is a proper edge coloring of G which has no dichromatic cycle. The minimum number of colors required to acyclically edge color graph G is called its acyclic chromatic index, denoted ...
    • Adaptive analog line driver using digital tuning 

      Singh, Harsh Verdhan (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Transmission lines are widely used for transmitting electrical signals. A line driver is a part of the analog front-end transmitter for wired line communication. It is a voltage buffer that provides the necessary output ...
    • Adaptive biased switched capacitor filters 

      Bajaj, Garima (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      The demand from today’s handheld devices, such as laptop, ipod, cellphones is to have a long battery life with no compromises in speed. The devices dissipate power even in standby mode also. Op-amp is a major block in all ...
    • Adaptive caches: a smart way to reduce leakage power dissipation in cache memories 

      Jampani, Sharmila (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      The advancement of circuit minimization in CMOS echnology has not only led to extraordinary improvements in microprocessor performance but has also caused the density of energy dissipation in a chip to increase. This ...
    • Adaptive channel estimation and loading for OFDM based two-way relay systems 

      Joy, Arun (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      In this thesis we introduce a low complexity Recursive Least Square (RLS) based Orthogonal Frequency Division Multiplexing (OFDM) channel estimation for two-way relay system. Using the estimate of the channel, a bit and ...
    • Agro-produce marketing: development of agro-tagger and suggestion generation system 

      Joshi, Priyanka (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      The growing use of internet has developed interest in the eld of Information Extraction. Most of the documents on internet are unstructured text that can be structure dusing information extraction techniques. Social ...