1.　　设计并制作一个具有高频率稳定度和高相位稳定度的低频函数发生器，频率可调，为1HZ-1KHz；

2.　　波形种类：三角波、正弦波、方波、锯齿波

3.　　没有明显的波形失真

4.　　具有频率、波形种类显示和设置功能，即能通过按键设置指定频率，指定种类的波形输出，并在数码管上显示频率值及波形种类。

输出电压：0V~+5V

-1. Design and produce a high frequency stability and high phase stability of low-frequency function generator, frequency adjustable, in order to 1HZ-1KHz　2. Waveform Type: triangular wave, sine wave, square wave, sawtooth wave 3. No apparent waveform distortion 4. has a frequency, waveform type of display and setting function, which is specified through the keypad to set the frequency, specify the types of waveform output, and digital tube display frequency value and waveform types. Output Voltage: 0V ~+5 V