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DSA0037994.pdf
Manufacturer
Atmel
Partial File Text
U4030B Telephone Speech Circuit Description The U4030B is an electronic speech circuit for standard and feature telephones. It replaces the hybrid transformer, earphone and microphone interface a
Type
Original
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User Tagged Keywords
atmel cordless telephone
CVD 68
DIP20
IC 4030 pin diagram
NF 430 n a3
U4030B
U4030B-AFL
U4030B-AFLG3
wireless protection using dtmf
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