Abstract
This paper introduce simple low-frequency signal generator system.The reason say it simple because the whole system design's tightness is the simple several kind of profile occurrence installment, moreover the frequency is relatively very low.
This article was mainly revolves the sine wave, the triangular wave, the square-wave signal correlation theories and the practice application has conducted the research. The primary coverage is according to the project request, designs the corresponding hardware circuit to have these kind of profiles. In the article narrated the system hardware line's design main point and the structure and software's realization in detail. And proposed in the article one kind realizes the frequency fluctuation design method through the pressed key, has given this design method detailed principle explanation and the concrete designa circuit.
In this article design the electric circuit and the control method is suitable for the common simple signal generating device system design, the hardware design also has certain usability and the versatility. We will develop the large-scale practical supply oscillator to later to have certain minimum and the instruction function.
Keyword：Low-frequency signal；Profile;Frequency fluctuation
