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可编程频率扫描输出突发波形发生器AD5930数据表
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The AD59301 is a waveform generator with programmable frequency sweep and output burst capability. Utilizing embedded digital processing that allows enhanced frequency control， the device generates synthesized analog or digital frequency-stepped waveforms. Because frequency profiles are preprogrammed， continuous write cycles are eliminated and thereby free up valuable DSP/microcontroller resources. Waveforms start from a known phase and are incremented phase continuously， which allows phase shifts to be easily determined. Consuming only 8 mA， the AD5930 provides a convenient low power solution to waveform generation. The AD5930 can be operated in a variety of modes. In continuous output mode， the device outputs the required frequency for a defined length of time and then steps to the next frequency. The length of time the device outputs a particular frequency is either preprogrammed and the device increments the frequency automatically， or， alternatively， is incremented externally via the CTRL pin. In burst mode， the device outputs its frequency for a length of time and then returns to midscale for a further predefined length of time before stepping to the next frequency. When the MSBOUT pin is enabled， a digital output is generated.
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