BA6569AS Overview
munication ICs Speech network for telephones BA6569AS / BA6569AFP The BA6569AS and BA6569AFP are speech networks which possesses the basic functions required for handset munications. In addition to amplifying signals from a transmitter and sending them to a telephone line, they also amplify only reception signals from a telephone line and drive the receiver. In addition to a function which pensates for fluctuation in the transmission and reception volume caused by the length of the telephone line (AGC), they are also equipped with a manual PAD function in order to acmodate PBX. FApplications Telephones and telephone equipment FFeatures 1) Basic speech network functions built in. 2) Single output pin of reception pre-amplifier is separate. 3) Single input pin of reception pre-amplifier is separate, enabling mixing of input. 4) Input to microphone pre-amplifier is balanced and offers high...