Browsing M Tech Dissertations by Author "Gupta, Sanjeev"

Now showing items 1-20 of 31

    • 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 ...

    • 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. ...

    • CMOS RFIC mixer design 

      Gupta, Mukesh (Dhirubhai Ambani Institute of Information and Communication Technology, 2007)
      A CMOS RF (Radio Frequency) up/down conversion mixer results in a reasonable increase in transceiver integration and a reduction in cost. The design of mixers faces many compromises between conversion gain(GC), local ...

    • Computational investigation of patch antennas in plasma environment 

      Vyas, Hardik (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Microstrip antennas are extensively used in spacecraft systems and other applicationswhere they encounter a plasma environment. A detailed computationalinvestigation of change in antenna radiation properties in the presence ...

    • Design and Analysis of Active RF Mixer for Wideband Communication System 

      Mangukiya, Chiragkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      "This work presents active RF double-balanced down converter mixer with some modification and new techniques. Gilbert topology provides overall good gain and LO-RF isolation. It has poor noise figure performance. It is a ...

    • Design and Analysis of analog and 4 bit RF MEMS Phase Shifter 

      Lata, Vinay (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      "In this thesis, analog and digital X-band phase shifters have been designed for the application in radar technology and missile controlling. All basic design designing technology of digital phase shifters have been defined ...

    • Design and Analysis of Graphene Based Microstrip Patch Antenna at 7 THz 

      Pala, Vidhi (2021)
      The need for high-speed transmission of information has extensively increased in today’s wireless and communication world. For an effective antenna design, material, and peripheral circuit to it are important parameters ...

    • Design and analysis of ultra wideband low noise amplifier 

      Dhami, Aarushi (Dhirubhai Ambani Institute of Information and Communication Technology, 2018)
      With the advent of wireless technology, ultra wide band systems due to their fast data rate transmission have gained momentum. One of the basic building blocks of the receiver - Low Noise Amplifier (LNA) has seen various ...

    • Design issues in direct conversion receiver 

      Gupta, Amit Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      The wireless system is being rapidly proliferated in our life. The growing of capacity in wireless communication requires a new type of wireless communication method which does not affect current work on circuits and systems ...

    • Design of a low noise amplifier for UWB range of 5.5-8.5 GHz 

      Vyas, Krunal D. (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      This study reviews and analyze the designing of Low Noise Amplifier. The parameters should be analyzed properly before the design of LNA, so this thesis includes the basics of all parameters with transmission line usage ...

    • Design of a novel high linearity down conversion mixer for GSM band applications 

      Srinaga, Nikhil N. (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      Double balanced Gilbert cell mixer (GCM) is the mostly used kind of mixer as it provides conversion gain and has port to port isolation. This mixer lacks in linearity and noise figure which are to be taken care in designing ...

    • Design of an analog phase shifter at X-band for radar and telecom applications 

      Pariyani, Sandeep (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      When examining a monthly bank account statement it is not only the number below the bottom line that matters. Whether that number has a minus or plus in front of it is also crucial. For many technical issues, the sign ...

    • Design of CMOS voltage controlled oscillator for high tuning range 

      Nayudu, Bharath Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2007)
      The main objective of the work is to design a CMOS voltage controlled oscillator for higher tuning range. Today there is a great need for multi-standard wireless receivers in the wireless communications. A receiver is to ...

    • Design of multi-band fractal antenna for satellite navigation application 

      Pathak, Swapna (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      Recent efforts by several researchers around the world to combine fractal geometry with electromagnetic theory have led to a plethora of new and innovative antenna designs. This research proposal has been primarily focused ...

    • Design of multi-standard RF front end receiver using novel low IF topology 

      Pandit, Vivek Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      This thesis presents the multi-standard receiver architecture and the corresponding RF front-end design supporting Bluetooth and IEEE 802.11a WLAN standards. To maximize the level of component share in the proposed ...

    • Design of narrowband and wideband low noise amplifier for RADAR applications 

      Suthar, Dip (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      This thesis reviews and analyze the designing of Low Noise Amplifier (LNA) inX-band. X-band frequencies are mostly used in RADAR receivers. The transistorused for design is GaAs FET because of its better performance at ...

    • Design of shorted microstrip patch antenna array 

      Panchal, Namrata (Dhirubhai Ambani Institute of Information and Communication Technology, 2018)
      In wireless communication, the requirement of the portable device increased tremendously. Portable devices have to be small as much possible. For that purpose, microstrip patch antennas are used but as demand increases ...

    • Desing of RF front-end receiver sub-system 

      Kumar, Chandra Shekhar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      A Radio Frequency(RF) front end receiver subsystems; Low Noise Amplifier(LNA) and mixer is designed at RF frequency of 2.45GHz. The main design aim of LNA is to enhance the performance parameters, especially to minimise ...

    • Dual-band and shorted microstrip patch antenna design for communication system applications 

      Rai, Karishma K. (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      Dual-band and miniaturized microstrip patch antennas are in much demand due to their small size, light weight and planar configuration. In this thesis, an attempt is made to design and analyze miniaturized microstrip patch ...

    • Dual-band microstrip antenna design 

      Desai, Bhumi (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      Multi-frequency microstrip antennas are very much in demand due to their physical and mechanical properties like small size, lightweight, thin profile, low power consumption, and ease of implementation in the domestic ...