微波炉怎么选?选用什么样的微波炉更适合家用?就我以前踩过的坑,跟大家分享一下,选择家用微波炉其实很简单,我以前家里第一个购买微波炉,就是我家里购买的第一个微波炉,里面不带...
USB转串口macOS厂商驱动程序,支持CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9143,支持OS X 10.9~10.15,OS X 11(Big Sur)及以上,内有安装指导文档。 适用范围 CH340,CH341,CH342,CH343,CH344,CH3...
CH340/CH341的USB转串口WINDOWS驱动程序 适用范围: CH340G,CH340C,CH340B,CH340E,CH340G,CH340T,CH340C,CH340E,CH340B,CH341A,CH341T,CH341B,CH341C,CH341U CH340/CH341的USB转串口WINDOWS驱动程序,支持 Windows 1...
中频放大电路中频放大电路也是调频收音机的重要组成部分。它不仅关系到整机的灵敏度和选择性等主要性能指标,而且它的限幅性能,对消除幅度干扰,提高信噪比,改善调幅抑制比,减小...
调频机的AGC电路调幅机受控级的选择,一般是在第-中放级和高放级(指有高放的话);调频机受控级的选择,一-般只有高放级,变频级不能加AGC电路。因为变频级加AGC电压会使其集电极电流减小,...