基于PC的示波器参考设计
图3. MAX1393参考设计的Windows程序启动
图4. 显示波形
图5. 在屏幕顶端显示时间和电压
表2. 软件功能
| Button | Description |
 | Vertically scales the waveform. |
 | Horizontally scales the waveform. |
 | Shifts the waveform horizontally. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the starting time at the left of the screen. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the ending time at the right of the screen. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the sampling time. |
 | Enter a proper trigger-level value into this edit box. |
 | Click on one of the two radio buttons to choose either rising-edge triggering or falling-edge triggering. |
 | Press this button to receive input-signal data from the EV kit board and display the waveform on the screen. |
 | Select this checkbox to receive continuous data from the EV kit and continuous updates to the waveform on the screen. |
 | Press this button to redraw the waveform on the screen. |
 | Press this button to exit the program. |
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