Browsing by Author "Gupta, Sanjeev"

Now showing items 1-20 of 39

    • 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. ...

    • Beamforming for mitigation of interference for different antenna array geometry 

      Kumari, Komal (2021)
      DOA estimation and Beamforming is one of the most crucial requirements of the Communication system design of RADAR, Satellite communication, Wireless communication. This Estimation performance differs for different ...

    • Broadband microstrip antennas with switchable polarizations 

      Bombale, Uttam Laxmanrao (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Microstrip antenna consists of a patch of metallization on grounded substrate. These are low profile, lightweight antennas, most suitable for aerospace and mobile application. They are replacing many conventional antennas ...

    • 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 ...

    • Compact Circularly Polarized Tri-, Dual- and Single-Band Dielectric Resonator Antennas 

      Chaudhary, Pankaj Prabhubhai (Dhirubhai Ambani Institute of Information and Communication Technology, 2021)
      The Dielectric Resonator Antennas (DRAs) have received wide attention due to low loss, high radiation efficiency, small size, wider bandwidth and simple feed network as compared to the microstrip antennas. Microstrip ...

    • 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 distortion reduction techniques in direct conversion receiver 

      Shah, Milind S. (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      Direct-conversion is alternative wireless receiver architecture to the well-established super heterodyne architecture. Direct-conversion receiver (DCR) can offer highly integrated, low-power and low-cost hardware Solutions ...

    • 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 multiband fractal antenna 

      Dhoot, Vivek (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Miniaturized Multiband antenna design is an important and challenging task for communication industry. Several constraints like size, position of the antenna, feasibility, reflection coefficient, Specific absorption Rate ...

    • Design and analysis of novel receiver front-end sub-systems in Ku-band for satellite applications 

      Patel, Sanket S. (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      A novel receiver front-end; Low Noise Amplifier (LNA), mixer and Local Oscillator (LO); is designed and analyzed in Ku-band. Different design aspects of the subsystems along with the trade-offs and improvements are presented. ...

    • 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 and Performance Comparison of Novel High Q Coaxial Resonator Filter for Ka-band High Throughput Satellite 

      Dad, Vineet Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2021)
      The filters deployed in the satellite are high-performance filters that have very stringent in-band and out of band performance. They require high Q resonators with spurious free-range for their realization. But, the Q ...

    • 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 ...