1. Functions of components, purpose of circuits, voltage magnification, phase relationship of input and output signal voltages, AC and DC equivalent circuit diagrams. Input and output impedance charac
I am currently debugging a cdma modem to make a RIL driver for mobile6.0. I plan to use the CDMA feature. For the SMS part, I decided to use msgIS637InDeliver (receive) and msgIS637OutSubmit (send) to
[size=4][color=#000000][backcolor=white] Because USB signals are analog signals, the CH340 and other USB chips contain digital circuits and some analog circuits. In addition, the USB chip also contain