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DIGITAL TEST SIGNAL GENERATOR IMPLEMENTED WITH FPGA

Liviu Breniuc, Alexandru Salceanu, Constantin Sarmasanu
  • Abstract:
    In this paper we present a digital generator which produces sine-wave signals with variable frequency. The shape of the signal is stored in memory. The modification of the frequency is achieved by changing the number of samples used to generate a period. The digital circuitry of the generator is implemented using a field programmable gate array (FPGA) and a microcontroller. Experimentally we have generated sine-wave signals with frequencies between 1÷100 kHz and analysed their content in harmonics. Finally we present some possibilities for optimising the generator.
  • Keywords:
    digital generator, fractional addressing, FPGA
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  • DOI:
    _unreg_tc4-2001.015

Event details:

[EVENTDETAILS]
  • IMEKO TC:
    TC4
  • Event name:
    TC4 Symposium 2001
  • Title:

    11th IMEKO TC4 Symposium on Trends in Electrical Measurements and Instrumentation (together with 6th IMEKO TC4 Workshop on ADC Modelling and Testing)

  • Place:
    Lisbon, PORTUGAL
  • Time:
    13 September 2001 - 14 September 2001