Now showing items 1-20 of 28

  • Affinity precipitation of trypsin with soybean trypsin inhibitor linked Eudragit S-100 

    A Kumar; Gupta, M N (1994)
    Soybean trypsin inhibitor linked to Eudragit S-100 was used for the affinity precipitation of trypsin. Polymer and ligand concentrations used in conjugate preparation showed remarkable effect on the trypsin recovery. Trypsin ...
  • ASIP design methodologies: survey and issues 

    Jain, M K; Balakrishnan, M; A Kumar (2001)
    Interest in synthesis of Application Specific Instruction Processors or ASIPs has increased considerably and a number of methodologies have been proposed in the last decade. This paper attempts to survey the state of the ...
  • Data path synthesis with global time constraint 

    Nedungadi, P P; Balakrishnan, M; A Kumar (1992)
    This paper presents an algorithm and its implementation for performing scheduling and operator allocation for data path synthesis. The main advantage of this approach is that it is capable of handling global time constraint ...
  • Design of a mode filter consisting of two dual-mode highly elliptical-core fibers 

    A Kumar; Das, U K; Varshney, R K; Goyal, I C (1990)
    Coupling characteristics of directional couplers consisting of two dual-mode highly elliptical-core fibers have been studied in detail using a first-order perturbation approach, and two different designs of a mode filter ...
  • Efficient implementation of multiple on-chip signature checking 

    Abdulla, M F; Ravikumar, C P; A Kumar (1997)
    Detection latency in a BIST scheme is the delay between the time instant at which a faulty response appears and the time instant at which the fault is detected. Conventional BILBO-BIST schemes suffer from long detection ...
  • Explanation of polarisation dependence of differential phase shift in two-mode elliptic-core fibre strain gauges 

    Pal, B P; Priye, V; Varshney, R K; A Kumar (1989)
    An appropriate elliptic-core fibre theory is applied to model the differential phase shift between the first- and second-order modes observed in recent experiments on two-mode elliptic-core fibres subjected to longitudinal ...
  • Exploring storage organization in ASIP synthesis 

    Jain, M K; Balakrishnan, M; A Kumar (2003)
    Performance estimation which drives the design space exploration is usually done by simulation. With increasing dimensions of the design space, simulator based approaches become too time consuming. In the domain of application ...
  • FAST: FPGA targeted RTL structure synthesis technique 

    Naseer, A R; Balakrishnan, M; A Kumar (1994)
    Presents an approach for mapping RTL structures onto FPGAs. This is in contrast to other FPGA mapping techniques which start from Boolean networks. Each component part consists of single-bit or multi-bit slice of one or ...
  • Generation of cyclotron harmonic waves in the ionospheric modification experiments 

    Hadi Al Janabi, A; A Kumar; Sharma, R P; Tripathi, Y K (1994)
    In the present paper, the parametric decay instability of the pump X-mode into electron Bernstein wave (EBW) near second harmonics of electron cyclotron frequency and IBW at different harmonics (ω<nωci; n=2,3,4) is examined. ...
  • Hybrid Multi-FPGA board evaluation by limiting multi-hop routing 

    Jain, S C; A Kumar; S Kumar (2002)
    Multi-FPGA Boards (MFBs) have been in use for more than a decade for emulation of the digital circuits in many applications. Key feature of an MFB architecture is its inter-FPGA connections. There are two types of inter-FPGA ...
  • Hybrid testing schemes based on mutual and signature testing 

    Abdulla, M F; Ravikumar, C P; A Kumar (1998)
    Signature based techniques have been well known for the built-in self-test of integrated systems. We propose a novel test architecture which uses a judicious combination of mutual testing and signature testing to achieve ...
  • Immobilization of trypsin on an enteric polymer Eudragit S-100 for the biocatalysis of macromolecular substrate 

    A Kumar; Gupta, M N (1998)
    Trypsin was covalently linked to Eudragit S-100 an enteric coating polymer by carbodiimide coupling method. Nearly 90% of enzyme activity was conjugated to the polymer whereas actual observed expressed activity was 64%. ...
  • Interface synthesis: issues and approaches 

    Rajawat, A; Balakrishnan, M; A Kumar (2000)
    With increasing complexity of electronic systems, automation tools are dominating the design activities. Though there has been marked progress towards hardware synthesis and software synthesis independently, interface ...
  • A new divide and conquer method for achieving high speed division in hardware 

    Mohan, M; Rohini, K; A Kumar; Balakrishnan, M (2002)
    Presents a new method of performing division in hardware and explores different ways of implementing it. This method involves computing a preliminary estimate of the quotient by splitting the dividend, performing division ...
  • A new performance evaluation approach for system level design space exploration 

    Joshi, C P; A Kumar; Balakrishnan, M (2002)
    Application specific systems have potential for customization of design with a view to achieve a better cost-performance-power trade-off. Such customization requires extensive design space exploration. In this paper, we ...
  • Noncovalent immobilization of enzymes on an enteric polymer eudragit S-100 

    Sardar, M; Agarwal, R; A Kumar; Gupta, M N (1997)
    The noncovalent immobilization of enzymes such as alpha-amylase, beta-glucosidase, trypsin, and alkaline phosphatase was performed by adsorption on the water-soluble polymer Eudragit S-100. The strength of the binding with ...
  • A novel BIST architecture with built-in self check 

    Abdulla, M F; Ravikumar, C P; A Kumar (1996)
    We propose an improved BIST architecture which supports on-chip comparison of signatures at no significant increase in area. The BILBO-based BIST architecture, used popularly in application-specific integrated circuits, ...
  • On-chip signature checking for embedded memories 

    Abdulla, M F; Ravikumar, C P; A Kumar (1998)
    The multiple on-chip signature checking architecture proposed by the authors previously is an effective BIST architecture for testing the functional units in modern VLSI circuits. It is characterized by low aliasing, low ...
  • Optimal clock period for synthesized data paths 

    Naseer, A R; Balakrishnan, M; A Kumar (1997)
    For technologies with significant interconnection delays, optimal clock period selection before/during high-level synthesis is not practical. In our approach, we start with a synthesized RTL data path structure, perform ...
  • Oscillating two-stream instability of a lower hybrid wave in an inhomogenous plasma 

    Rama Prasad, P V S; A Kumar; Singh, S (1989)
    The effect of the density inhomogeneity on the oscillating two-stream instability of a lower hybrid pump wave with a finite wavelength is investigated. The density inhomogeneity introduces dephasing that restricts the ...