U4091BM-N processor equivalent, programmable telephone audio processor.
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Speech Circuit with Anti-clipping Tone-ringer Interface with DC/DC Converter Speaker Amplifier with Anti-distortion Power-supply Management (Regul.
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Feature Phone Answering Machine Fax Machine Speaker Phone Cordless Phone
Programmable Tel.
The programmable telephone audio processor U4091BM-N is a linear integrated circuit for use in feature phones, answering machines and fax machines. It contains the speech circuit, tone-ringer interface with DC/DC converter, sidetone equivalent and ea.
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