Long, D. I., 1996. Behavioural simulation of mixed analogue/digital circuits. PhD Thesis (PhD). Bournemouth University.
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Continuing improvements in integrated circuit technology have made possible the implementation of complex electronic systems on a single chip. This often requires both analogue and digital signal processing. It is essential to simulate such IC's during the design process to detect errors at an early stage. Unfortunately, the simulators that are currently available are not well-suited to large mixed-signal circuits. This thesis describes the design and development of a new methodology for simulating analogue and digital components in a single, integrated environment. The methodology represents components as behavioural models that are more efficient than the circuit models used in conventional simulators. The signals that flow between models are all represented as piecewise-linear (PWL) waveforms. Since models representing digital and analogue components use the same format to represent their signals, they can be directly connected together. An object-oriented approach was used to create a class hierarchy to implement the component models. This supports rapid development of new models since all models are derived from a common base class and inherit the methods and attributes defined in their parentc lassesT. he signal objectsa re implementedw ith a similar class hierarchy. The development and validation of models representing various digital, analogue and mixed-signal components are described. Comparisons are made between the accuracy and performance of the proposed methodology and several commercial simulators. The development of a Windows-based demonstrations imulation tool called POISE is also described. This permitted models to be tested independently and multiple models to be connected together to form structural models of complex circuits.
|Item Type:||Thesis (PhD)|
|Additional Information:||A thesis submitted in partial fulfilment of the requirements of Bournemouth University for the degree of Doctor of Philosphy. If you feel this work infringes your copyright please contact the BURO Manager.|
|Subjects:||Technology > Engineering > Electrical and Electronic Engineering|
|Group:||Faculty of Science and Technology|
|Deposited By:||INVALID USER|
|Deposited On:||07 Nov 2006|
|Last Modified:||10 Sep 2014 15:38|
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