Realization of programmable gain amplifier
XI Yan-hua · Information technology newsletter · 2009
With the development of electronic technologies,programmable gain amplifier is used widely in the fields of automatic monitoring and control,intelligent measurement and control and intelligent instruments.Programmable gain amplifier respectively composed of analog switches,D/A converter,digital potentiometers and integrated programmable gain amplifier is given.The characteristics of the respective implementation are also summarized.