Optical Focusing Drive Circuit Power Integrity Simulation

Microelectronics and computer technology mutual infiltration and support each other and mutual promotion and common get rapid development. Microelectronics technology achievements is the crystallization of the integrated circuit. Now, integrated circuit has become the cornerstone of modern information society. Not only in the field of scientific research, in the field of civil right now is to get a development. All electronic products throughout every corner of our lives. Integrated circuit design and manufacturing level has become a national technology development level of, its importance has been accepted by people. By design, not only to integrated circuit with the basic theory of microelectronics, integrated circuit of the basic process, the principle of of all kinds of circuit and electronic system the basic structure of the knowledge, but also the basic design method and master tool. So in this area is huge, and in the circuit design, there will always be more or less of a design flaw is the designer do not anticipate, and these defects and make up for that just depends on the designer's later simulation to give the theory basis and the way of improvement. So the importance of simulation is self-evident. It also reflected in the benefits of that cost reduction in design, research and development of the lower cycle.This paper mainly studies based on optical drive circuit integrity power of the focus on the problem for PCB production, layout wiring, and analyzes its power integrity problems. In this paper firstly introduces the research background, and then introduced the optical drive focus electric circuit principle of work, and then introduced the PCB production. And use Allegro PI software on one of them to the working voltage of1.2V power supply for integrity simulation, get its decoupling capacitor single node and much of the node wave figures simulation, and the results of the analysis of it made, draw the conclusion.