Abstract
With the development of electronic technology, the signal generator used in most of the lab employs direct digital synthesis (DDS) technology. The signal generator using digital technology has advantages of high resolution and short conversion time and so on [1, 2]. Through ARM chip STM32F103VET6, we realize the control to the chip AD5791. At the same time, it engender high-accuracy periodic e exponential decremented signal. Doing above, we correct transient electromagnetic system which has been manufactured. The output signal amplitude is 5V. Frequency can be adjusted according to the sampling points and sampling time of the receiving device.
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