Telephone diacritical transponder circuit

Published:2011/7/9 2:55:00 Author:Fiona | Keyword: diacritical transponder | From:SeekIC

Telephone diacritical transponder circuit is shown as above,the diacritical transponder increases diacritical speaker function for the telephone and keeps secret for identity of the person who answers the phone.Diacritical integrated circuit TM0071A (or KTS00T1A) is New single piece of large-scale speech processing integrated circuit and dual in-line 16-pin package,the voltage range is 3 ~ 5V, the power supply can be obtained after the telephone power supply maintains the voltage.When installing,it removes the transmitter MIC of theoriginal telephone,connects the MIC input terminal of the output connection phone and power supply side to telephone power supply,all components can be mounted on a small circuit board.The circuit board can be put in the phone's leisure place.Function conversion can use a micro switch which is fixed on the phone shell.



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