By Geert Van der Plas
In the 1st half the AMGIE analog synthesis approach is defined. AMGIE is the 1st analog synthesis method that automates the complete layout strategy from necessities right down to proven format. it's special to the layout of moderate-complexity circuits. It is determined by layout and circuit wisdom kept within the tool's libraries and will be utilized by either amateur and skilled analog designers in addition to system-level designers. the internal workings are defined intimately, with (practical) examples to illustrate how the carried out algorithms and strategies paintings. Experimental effects acquired with the AMGIE process are mentioned, together with genuine fabricated and measured circuits.
The moment process, i.e. the systematic layout of high-performance analog circuits, is mentioned within the moment a part of the e-book. This procedure is supported by way of instruments to spice up the productiveness of the clothier. An instance of this sort of instrument is Mondriaan, that's distinct in the direction of the automated format iteration of hugely general analog blocks. The proposed systematic layout technique is then utilized to the layout of high-accuracy current-steering electronic to analog converters (DACs). the total layout course is mentioned intimately.
Both complementary techniques elevate analog layout productiveness. layout occasions of the several layout experiments undertaken are pronounced during the booklet to illustrate this.
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Within the first half the AMGIE analog synthesis method is defined. AMGIE is the 1st analog synthesis method that automates the entire layout approach from requisites all the way down to demonstrated structure. it's special to the layout of moderate-complexity circuits. It depends upon layout and circuit wisdom kept within the tool's libraries and will be utilized by either beginner and skilled analog designers in addition to system-level designers.
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Additional info for A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits
9). 9. It manages the design process and design data [VdPlas 94]. The design controller implementation is centered around a state transition model of the design process. 10. 2 is not visible on this graph. e. without redesign steps). The complete graph with inclusion of all redesign paths would be too complicated to show. What is modeled in this graph is the state of the system, represented by the circles, and the processes being executed going from one state to the next. For instance, the specification state is the start of a new design.
This designer is on average not capable of manually designing an analog circuit to a specified performance. 8, and relies on the knowledge stored in the libraries. He/she is in full control of the design process through the user interface and leaves the point tools of the AMGIE system solve all design problems (topology selection, sizing, verification and layout generation). An experienced analog designer can also use the AMGIE system in this mode: (s)he wants a low-challenge analog design solved quickly in this case.
But first two remarks are formulated: (1) on the hierarchy model of the AMGIE analog synthesis system and the relation to its point tools and (2) on the performance-driven approach (represented by the functionblock’s specifications) as seen by the point tools. 6 In these design task sections small and illustrative examples are provided, primarily to explain how the algorithms work. In chapter 4 full examples will be presented, proving the capabilities and showing the limitations of the AMGIE analog synthesis system.
A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits by Geert Van der Plas