TECHNICAL DATA MULTISTANDARD CMOS IC OF SINGLE CHIP PHONE WITH DOUBLE SOFT LIMITATION IL2533A Description IL2533AN, IL2533AD is CMOS IC, supporting all functions, necessary for design of electronic telephone with high characteristics.
Standard application circuit is shown at figure 2.
Device includes LD/MF constant automatic dialer, melodies generation, ring frequency identification and high quality circuit for line/speech.
RAM at chip, intended for redialing of 31-digit number and memory elements, containing upto 21 symbols/data.
Floating marker method enables to use LNR function under control of different РАВХ systems.
Device contains volume control of hearing aid.
Volume is controlled...

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