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IEEE Circuits and Devices Magazine

Issue 4 • Date July 1992

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Displaying Results 1 - 6 of 6
  • Simulation and modeling-an improved VCO macromodel

    Publication Year: 1992, Page(s):8 - 16
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (803 KB)

    A SPICE macromodel for a phase-locked loop (PLL) featuring design simplicity and a reduced simulation time which was introduced by M. Sitkowski (1991) is reviewed. Two of the primary simplifications in this PLL macromodel were the utilization of a voltage-controlled tuned circuit as the voltage-controlled oscillator (VCO) that does not require feedback to produce an oscillating output, and the use... View full abstract»

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  • Device CAD in the '90s: at the crossroads

    Publication Year: 1992, Page(s):18 - 26
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1372 KB)

    Various issues concerning technology computer-aided design (TCAD), including fundamental research, practical issues of user friendliness, experimental verification, and framework initiatives are discussed. The focus is on device CAD, in which there is a continuing shift of emphasis from basic issues of device physics and engineering to questions of manufacturability and technology scalability. The... View full abstract»

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  • Wave digital filters boost DSP applications

    Publication Year: 1992, Page(s):27 - 31
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    Wave digital filters (WDFs), digital filters that are derived by mathematical transformations from passive analog circuits, are discussed. Design and implementation techniques of WDFs are described, and it is shown that the most flexible WDF structure is that derived from the analog lattice network. The use of WDFs in traditional frequency-selective applications, transmultiplexing, interpolators a... View full abstract»

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  • Designing on-chip clock generators

    Publication Year: 1992, Page(s):32 - 36
    Cited by:  Papers (13)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    With recent improvements in semiconductor technology, the speed of state-of-the-art microprocessors has doubled roughly every other year. At such high speed, distributing clock signals across the system and making sure every component in the system is synchronized become very important issues. It is shown that one way to solve the inter-chip clock synchronization problem is to use an on-chip phase... View full abstract»

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  • Fiber optic sensors focus on smart systems

    Publication Year: 1992, Page(s):37 - 46
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (794 KB)

    Materials with structurally integrated fiber-optic sensors, the first step toward smart structures, which continuously monitor their own vibration, internal strain and deformation, temperature, and structural integrity are described. It is shown that the Fabry-Perot fiber-optic strain sensor has capabilities that far exceed those of conventional foil strain gauges, which holds the promise of respo... View full abstract»

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  • On the notion of control signals in digital designs

    Publication Year: 1992, Page(s):47 - 52
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (811 KB)

    The concept of control signals is fundamental to digital design. It evokes the notion of one or more signals that influence computation on other signals in a system, and regulate the behavior of the system. A formal definition of control signals is presented. It is argued that knowledge of the control signals in a complex design such as a microprocessor or a computer is crucial to the comprehensio... View full abstract»

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Aims & Scope

IEEE Circuits and Devices Magazine (1985-2006) covers the design, implementation, packaging, and manufacture of micro-electronic and photonic devices, circuits and systems

 

This Magazine ceased publication in 2006.

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Meet Our Editors

Editor-in-Chief
Dr. Ronald W. Waynant
r.waynant@ieee.org