Browsing by Author "Dündar, Günhan,"

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  • Efficient yield estimation using rare event simulation techniques on analog design automation tools 
    Çamlı, Alphan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    With the improvements in fabrication processes, electronic circuit designers have begun to design complex circuits which consist of multibillion transistors. But, as circuit complexity increases, the silicon complexity ...
  • Enhanced layout-aware circuit / ststem synthesis 
    Unutulmaz, Ahmet. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    This thesis presents the layout description script (LDS) which is suitable to be used within a template synthesizing layout aware circuit synthesis loop. LDS is a hybrid programming language supporting both sequential and ...
  • Equivalence checking of designs modeled in simulink implemented in low level 
    Sağlamdemir, Muharrem Orkun. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    We propose methodologies for checking the equivalence of analog and digital Simulink models and their low level implementations. For digital methodology, we develop a flow utilizing commonly used tools used in digital ...
  • Fast circuit topologies for finding the maximum of n k-bit numbers 
    Yüce, Bilgiday. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Finding the value and/or address (position) of the maximum (or similarly minimum) element of a set of binary numbers is a fundamental arithmetic operation. Numerous systems, which are used in various application areas, ...
  • Hardware / software partitioning for custom instruction processors 
    Atasu, Kubilay. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this thesis, we describe an integer linear programming (ILP) based system called CHIPS for identifying custom instructions given the available data bandwidth and transfer latencies between the base processor and the ...
  • High level modeling of sigma-delta analog to digital converters 
    Talay, Selçuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis discuss high-level modeling of Sigma-Delta ADC’s, development of a design automation tool which operates at system level, and other related software which are required for accurate operation of this tool. There ...
  • High level power efficient synthesis of FIR based digital systems 
    Aktan, Mustafa. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Digital filters are the most frequently used elements in signal processing applications. Among digital filters, FIR filters are preferred due to their stability, easily achievable linear-phase property, and low quantization ...
  • High performance adaptive sigma delta modulator designs 
    Kurşunoğlu, Sedef. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Improvements in VLSI technology enabled data converters with increased speed. When compared to conventional converters, sigma delta modulators have a higher sampling speed for resolution; and they are less sensitive to ...
  • High performance adaptive sigma delta modulator designs 
    Gökdel, Yiğit Dağhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this work two different solutions to the saturation problem of the integrator building block of Sigma Delta modulators are presented. Saturation causes an error that limits the dynamic input range of the Sigma Delta A/D ...
  • Implementation and performance evaluation of sigma-delta modulators 
    Sağlamdemir, Muharrem Orkun. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    SigmaDelta A/D converters have recently become popular since they achieve high resolution by means of oversampling without the need of high accuracy matching of elements and complex analog circuitry. They even reach higher ...
  • Integrated ultra-wideband receiver system and antenna design 
    Akkurt, Halit Kürşat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Ultra wideband (UWB) is one of the important technologies among the communication types, which is able to reach high data rate in short distances. Wireless personal area networks and wireless sensor networks are the primary ...
  • Logic-level pover estimation in CMOS VLSI circuits 
    Aktan, Mustafa. (Thesis (M.S.) - Bogazici University. Institue for Graduate Studies in Science and Engineering, 2001., 2001.)
    In this thesis, a power estimator for both combinational and sequential CMOS logic circuits is presented. The estimation method is probabilistic in nature and is based on tagged probabilistic simulation (TPS). TPS can ...
  • Low density parity check decoder implementations 
    Güldalı, Rukiye. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Low density parity check (LDPC) codes are linear block codes used for error correction mostly in high speed digital communication systems like digital broadcasting, optical fiber communications and wireless local area ...
  • Low power consumption continuous time sigma-delta modulator design 
    Çeliker, Hikmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Mobile electronic devices have important roles in our daily lives. While they are getting smaller, their functionality is increasing. As the charge capacity of the batteries is limited, it should be spent e ciently. Low ...
  • Low power continuous time sigma delta modulator and decimation filter design 
    İnce, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Sigma Delta analog to digital converters (ADC) are widely used in areas where high resolution is needed. Audio applications are one of these areas. Along with high resolution, reducing the power consumption of an ADC is a ...
  • Low power sigma delta analog to digital converter design methods 
    Akçakaya, Feyyaz Melih. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Sigma delta analog to digital conversion is an effective way of converting analog signals to digital signals when high signal to noise ratio and low power consumption is needed. Instead of comparing the input signal with ...
  • Multi-dimensional yield-aware optimization of the analog and heterogeneous circuits 
    Pak, Murat. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Even though the design of digital circuits is well supported by several CAD tools, this is not the case for analog circuits and MEMS where the design is typically hand-crafted by expert designers. Several tools have been ...
  • Multilayer perceptron neural network in analog VLSI-A system level study 
    Öğrenci, Arif Selçuk. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Analog neural networks exhibit a potential for proper/suitable hardware implementation of artificial neural networks. Their advantages such as small size, low power and high speed, however, are seriously questioned/confronted ...
  • New approaches to automated analog circuit design for robustness 
    Kırbaç, Can Doğan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This thesis presents di erent simulation-based analog circuit synthesis methodologies to obtain robust circuit synthesis and their results. HSPICE is used as simulator and SACSES is used as general methodology for mentioned ...
  • New approaches to optimization algorithms used in circuit and system level of analog design automation 
    Ay, Simge. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This thesis presents different simulation-based analog circuit synthesis methodologies, and synthesis examples that were performed to validate the usefulness of the methodologies. It also presents the integration of circuit ...

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