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Then why don't you look at the complete speakerphone schematic in its datasheet? Then look at the complete speakerphone schematic in the datasheet of the better MC34118.sharayu Nalage said:We need a application circuit of MC34018 (Voice switched speaker phone circuit) with tip ring interface.
You are about 20 years too late.sharayu Nalage said:Do you no any replacement for MC34018 which can be easily avialble and can be used for the same application ??
audioguru said:The Cirrus Logic full-duplex IC operates like the full-duplex telephone boardroom conferencing and video conferencing systems I worked with in the 90's.
The Philips voice-switched IC operates like the old Motorola MC34018 speakerphone IC.
The Amtel IC operates like the old Motorola MC34118 IC.