The method for setting the operation mode of the chip includes that: the element is connected at the bias voltage end of the output driver;

设定芯片操作模式的方法包括：连接元件在输出驱 动器的偏压端；

youdao

Still referring to FIG. 4, a ramp generator 233 may generate ramp signals to be provided as the ramp output, e. g. for an 8-PSK mode of operation.

仍参考图4，斜坡生成器233可产生斜坡信号，以便被提供作为斜坡输出信号，例如用于8-PSK操作模式。

youdao

By using AT89C51, the control part sets the system operation mode and adjusts the output volume.

控制模块采用微控制器at89c51，完成系统的模式设定和音量控制。

youdao