DTMF receiver for telephones
Communication ICs DTMF receiver for telephones BU8871F The BU8871F is a DTMF receiver ICs developed for use in telephone answering machines, and converts 16 different types of DTMF signals into 4-bit binary serial data. It features a wide dynamic range, eliminating the need for an external input amplifier. Expertise from a number of companies has been incor...
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