电子设计一般方法（General methods of electronic design）.docVIP

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2017-08-02 发布于河南
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电子设计一般方法（General methods of electronic design）.doc

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电子设计一般方法（General methods of electronic design） General methods of electronic system design Here we take the 2005 National Undergraduate Electronic Design Contest A title to explain to everybody below. Sinusoidal signal generator (A title) I. task A sinusoidal signal generator is designed and made. Two, requirements 1, basic requirements (1) sine wave output frequency range: 1kHz ~ 10MHz; (2) with frequency setting function, frequency step: 100Hz; (3) frequency stability of output signal is better than 10-4; (4) the amplitude of the output voltage in the load voltage peak - peak resistance Vopp = 1V; (5) distortion: there is no obvious distortion when viewed with an oscilloscope. 2, play part On the basis of completing the basic requirements tasks, the following functions are added: (1) increase the amplitude of the output voltage: in the frequency range, the peak value of the output voltage of the sinusoidal signal is Vopp=6V + 1V on the load resistance; (2) generate analog amplitude modulation (AM) signal: in the range of 1MHz~10MHz modulation system, Ma can be programmed between 10% and 100%, step 10%, sine modulation signal frequency is 1kHz, modulation signal generated by itself; (3) analog frequency modulation (FM) signal: 10kHz maximum frequency offset in the frequency range of 100kHz~10MHz, and the maximum frequency offset can be divided into 5kHz/10kHz two programmable regulator, sinusoidal frequency modulation signal is 1kHz modulated signal generated by the; (4) generate binary PSK and ASK signals: the 100kHz fixed frequency carrier carries out binary keying, and the binary baseband sequence code rate is fixed to 10kbps, and the binary baseband sequence signal is generated by itself; (5) other. Three, scoring standards project Full marks Basic Requirements Design and summary report: program comparison, theoretical analysis and calculation, schematics and related design documents, test methods and instruments, test data and test results analysis Fifty Actua