A broadband Circuit Analogue (CA) absorber using double-circular-loop array is investigated in this paper. A simple equivalent circuit model is presented to accurately analyze this CA absorber. The circuit simulation of the proposed model agrees well with full-wave simulations. Optimization based the equivalent circuit model, is applied to design a single-layer circuit analogue absorber using d...

Methods applicable to teaching microelectronics at the undergraduate and graduate level in conjunction with an industrial fabrication capability are presented. Results of three semesters of teaching microelectronics at the graduate level with emphasis on both digital and analog circuits are summarized. Plans for teaching an undergraduate course utilizing the fabrication of integrated circuits a...

Query Representation Query Planning &

A new circuit representation technique suitable for circuit synthesis by genetic programming is presented. This representation consists of a set of functions and terminals that are sufficient to generate a rich subset of passive circuit topologies. Used in conjunction with genetic programming to evolve new topologies, and with numerical optimization to determine component values, the circuit re...

We present a method of automatically generating circuit designs using evolutionary search and a set of circuit-constructing primitives arranged in a linear sequence. This representation has the desirable property that virtually all sets of circuit-constructing primitives result in valid circuit graphs. While this representation excludes certain circuit topologies, it is capable of generating a ...

The aim of this work is to assist designing of robust circuits to minimize the amount of defective circuits and therefore to increase the yield of production. The Fraunhofer ITWM considers electronic circuits at system level using its EDA software Analog Insydes, which allows analysis and symbolic approx ima tion of nominal analog circuits. The software now has been extended to handle parameter...

The test of Analogue and Mixed-Signal (AMS) cores requires the use of expensive AMS testers and accessibility to internal analogue nodes. The test cost can be considerably reduced by the use of Built-In-Self-Test (BIST) techniques. One of these techniques consists in generating analogue test signals from digital test patterns (obtained via Σ∆ modulation) and converting the responses of the anal...

Digital circuit design is extensively assisted bymodern automation tool unlike analog design which is still a manual task because of the complexity of the interactions between devices. This paper presents a semi-automated analog placement based on margin tolerances controlled by the designer by creating analog circuits organized in row similar to digital circuits structure. The results show the...