基于HyperLynx的DSP系统信号完整性仿真与改进

Simulation and Improvement of Signal Integrity for DSP System Design Based on HyperLynx

随着机电产品性能的提高,对产品中电子组件的设计要求也在不断增高,电子电路中的信号完整性问题也日益突出了,对信号进行完整性分析已经成为电路设计中的一个必要环节.为了解决设计中的信号完整性问题,结合具体的电路设计实例,分析了设计中可能存在的信号完整性问题,利用Mentor Graphics公司的Hyperlynx软件对典型的问题进行了仿真分析.根据仿真结果,找到了实际可行的问题解决方案.在设计初期有效的信号完整性仿真的保证下系统工作正常,表明在产品的设计阶段就解决了信号完整性问题.

Along with the performance progress of electromechanical products,demanding for the electronic circuit design is constantly increasing.Signal integrity issues also becomes critical.It is necessary for circuit design to analyze signal integrity.For this problem,the specific circuit design examples is used.The signal integrity problem that may exist in the circuit design is analyzed,and the problem is simulated and analyzed by using the HyperLynx of Mentor Graphics company.According to the simulation result,better solutions can be found.In the guarantee of signal integrity simulation,the system is working well.So the problem can be solved in the product design stage.