???????? ??? ???? ???? ?? ???? ????? ????? ????????? ?????? ??????? ?? ??????? ???????? ??? ???? ???? ????? ??? ???????? ??????????. ???? ???? ??????? ?????? ?????? ??? ?????? ?????? ?????? ??????? ?????.As semiconductor technologies created, many of the capabilities of analog circuits ended up taken more than by electronic circuits, and present da