压控电压是指什么？

用电压的大小来控制振荡器的振荡频率；
有一种石英晶体，也可以用电压的大小来直接控制它的振荡频率，可调节的振荡频率范围很小。
还可以是控制阀门的开度、机电系统的作用力等等。
The next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago，
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.

独立压源控制受控电压源VCVS
应该是这样吧