By Geert Van der Plas
In the 1st half the AMGIE analog synthesis method is defined. AMGIE is the 1st analog synthesis process that automates the whole layout approach from requirements all the way down to proven format. it's particular to the layout of moderate-complexity circuits. It depends upon layout and circuit wisdom saved within the tool's libraries and will be utilized by either amateur and skilled analog designers in addition to system-level designers. the interior workings are defined intimately, with (practical) examples to illustrate how the carried out algorithms and strategies paintings. Experimental effects bought with the AMGIE procedure are stated, together with genuine fabricated and measured circuits.
The moment procedure, i.e. the systematic layout of high-performance analog circuits, is mentioned within the moment a part of the publication. This strategy is supported through instruments to spice up the productiveness of the fashion designer. An instance of any such device is Mondriaan, that's designated in the direction of the automated structure iteration of hugely common analog blocks. The proposed systematic layout technique is then utilized to the layout of high-accuracy current-steering electronic to analog converters (DACs). the entire layout direction is mentioned intimately.
Both complementary techniques raise analog layout productiveness. layout occasions of the various layout experiments undertaken are suggested in the course of the ebook to illustrate this.
Read Online or Download A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits PDF
Best cad books
Grasp all of the center innovations and performance of Revit MEP Revit MEP has eventually come into its personal, and this completely paced reference covers all of the middle options and performance of this fast-growing mechanical, electric, and plumbing software program. The authors collate all their years of expertise to enhance this exhaustive instructional that exhibits you the way to layout utilizing a flexible version.
Scalable Verification with Symbolic Simulation offers fresh developments in symbolic simulation-based suggestions which extensively increase scalability. It overviews present verification concepts, either in line with good judgment simulation and formal verification equipment, and unveils the interior workings of symbolic simulation.
The serious force for sign integrity has been on the vanguard ofrapid and new advancements in CAD algorithms. millions ofengineers, reason on reaching the easiest layout attainable, use SPICE each day for analog simulation and normal circuit research. however the strained call for for prime information speeds, coupled with miniaturizationon an exceptional scale, has highlighted the formerly negligible results of interconnects; results which aren't regularly dealt with appro priately through the current degrees of SPICE.
- Power-efficient System Design
- The Geometrical Tolerancing Desk Reference: Creating and Interpreting ISO Standard Technical Drawings
- One-of-a-Kind Production
- CNC Machining. ; Building, Programming, and Implementation
Extra info for A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits
The resulting list is presented in order of preference to the user through a graphical user interface. The user can accept the proposed topology, or force the AMGIE analog synthesis system to choose any other topology from the list. The three filters are now discussed. 1 Boundary Checking Filter The first two filters use quantitative information about the feasible nominal performance space of a topology which is stored in the cell library. 2 Topology Selection Tool 43 stored models, what the achievable performances of each topology in the selected technology process are, given the acceptable ranges in biasing values and device sizes, and that it is checked whether the specified performances are included in this performance space or not.
At higher levels in the design hierarchy the tool searches for the optimum subblock parameters. Note that hierarchy is used only when a decomposition in more or less non-interacting subblocks is possible. For example, in our approach an OPAMP is sized as 46 Detailed Description of the AMGIE Analog Synthesis System one block and is not further decomposed into subblocks like differential pairs, current mirrors, etc. because it is impossible to easily distribute specifications such as power-supply rejection ratio (PSRR) or settling time over the different subblocks.
This can be a novice analog designer, a system-level or digital designer. 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.
A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits by Geert Van der Plas