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U3900BM
Programmable Telephone Audio Processor
Features
Speech circuit with anti-clipping
Tone ringer interface with DC/DC converter
Speaker amplifier with anti-distortion
Power-supply management, regulated, unregulated
and a special supply for electret microphone
Voice switch
CLID + SCWID
DTMF generator
Switch matrix
Line current information
Fully programmable
Watchdog
Benefits
Savings of one piezoelectric transducer
Complete system integration of analog signal
processing on one chip
Very few external components
Highly integrated solution
Extremely versatile due to full programmability
Applications
Feature phone, answering machine, fax
Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking. As well as welcome you call us : 0755-83957301 We will send offer for you; Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support ！
