???? ???? ???????? ?????? ????????? ?? ???? ?? ??? ??????? ????????. ??? ??? ??????? ???????? ????? ?????? ???? ?????? ?????? ?????????? ?????? ?? ????? ??? ???? ?? ??? ??????? ?????? ???? ??? ??????? ?????? ????? ??????.As semiconductor technologies produced, a lot of the capabilities of analog circuits were taken more than by digital circuits, an