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- W2360109414 abstract "The present special function signal generatorintegrated circuits(IC)have disadvantagesof simple function, low accuracy, inflexible adjustment operation, and so on. Meanwhile the direct digital synthesizers(DDS)have imperfections such as complex design of peripheral circuit,high cost and so forth.For this reason,a program-controlled and wide-frequency multi-waveform signal generator is designed and developed in this paper. It is implemented by employing a STC89C52 single-chip microcomputer to control the specific function generator MAX038. The various parameters of generated signals,such as the waveform type, the frequency, the duty cycle and the amplitude,are set by using the keyboard. In order to improve the frequency precision of produced signals, a closed loop control method is adopted to automatically feed back and control the output frequency. In addition, the status information is shown in the 8-bit LED display in real time. The actual running results show that this system can produce triangle, sawtooth, square, sine and PWM waveforms,which frequency can range from 1Hz to 20MHz and amplitude can be continuously adjusted between 2V and 10V(VPP)and duty cycle can vary from 10 to 90 percent; moreover the output frequency accuracy value is less than 0.01%. This instrument has many advantages such as simple circuit structure, excellent performance, low cost, diverse function,easy to operate,etc. Therefore it has a broad application prospect in the fields of productive practice and science and technology research." @default.
- W2360109414 created "2016-06-24" @default.
- W2360109414 creator A5086661284 @default.
- W2360109414 date "2014-01-01" @default.
- W2360109414 modified "2023-09-25" @default.
- W2360109414 title "Development of a Program-Controlled and Wide-Frequency Multi-Waveform Signal Generator" @default.
- W2360109414 hasPublicationYear "2014" @default.
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