In this paper there is a study on the FPGA, its advantages and disadvantages and an application based on FPGA using software and hardware. Now-a-days FPGA has been widely used in industrial and commercial fields. In domestic purpose FPGA is also used in our day to day life. FPGAs used in software makes thing easier and simpler when the program is dumped into the hardware. FPGA is considered to be dynamic, robust, and flexible which can be easily reconfigurable and can run in real time. The

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... also includes an application which generates signal for basic communication purposes. The software includes NI LabVIEW and NI PXIe 1075 as hardware. By the effective use of this application we can apply this in various fields like digital communications, military and defence area for communication as well as security purpose.