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One of main advantages of voltammetric electronic tongue system is the diversity of measurement method, which depends on the multiple excitation signals. Most test excitation signals used in voltammetric electronic tongue system can not be implemented in an electrochemical workstation. In this paper, by using virtual instrument technology, USB-6008 data acquisition card is adopted combining with LabVIEW software to design a versatile excitation signal generator. Multi-frequency multi-amplitude pulse with the voltage range of 0~0.5 V, step voltage of 0.1 V, and frequency of 1 Hz,10 Hz,100 Hz; large amplitude pulse voltammetry, small amplitude pulse voltammetry, staircase pulse, with the same voltage range 0~0.8 V, step voltage of 0.1 V; and triangle voltammetry of voltage range 0~1.2 V are realized and the design processes of different waveforms are discussed in detail. The results show these waveforms are stable and flexible, which is suitable for voltammetric electronic tongue system. 