高频虚拟仪器的FPGA实现

Design of Virtual Instrument on FPGA

论述基于FPGA技术兼有数字信号发生器和逻辑分析仪功能的虚拟仪器的设计方案及具体实现方法。FPGA集成了串口通信、分频、RAM读写、数据采集、信号发生器等功能模块,具有成本低,频率高,修改扩充方便、抗干扰性好等特点。利用VBWindows编程技术实现友好的虚拟仪器面板。

This paper presents a design of virtual instrument with digital signal generator and logic analyzer function, which is based on FPGA. This module is mainly comprised of a RS-232 serial communication a counter, a synchronous dual port RAM and a control unit. With FPGA, the benefit from the design such as low cost, high frequency, expanding easily and anti-jamming for the whole system can be obtained. Virtual instrument panel is programmed with Visual Basic.