SN822lP FSK Call Screening Decoding Intergrated Circuit

Published:2011/7/15 2:55:00 Author:Michel | Keyword: FSK Call Screening, Decoding Intergrated Circuit | From:SeekIC

SN8221P is a call screening decoding integrated circuit that is widely used in all kinds of call screening communication devices. One Functions and FeaturesSN8221P integrated circuit contains frequency shift keying callscreening data signal processing circuit, clocking oscillation signal processing circuit, the power switch control circuit, piece choosing circuit, call screen pretreatment and identify circuit, the power supply circuit and some other auxiliary functions circuit. Two Pins Functions and DataSN8221P integrated circuit uses dual in-line package which is widely used in wireless telephones of TCL beauty the voice series and its pins functions and data are shown as table 1. Table 1:Pin Functions and Data



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