Published:2011/7/23 4:44:00 Author:Michel | Keyword: Digital Reverb, Integrated Circuit | From:SeekIC
PT2399 is one typical karaoke echo processing integrated circuit which is widely used in CD, VCD, DVD, TV sound and karaoke. First,PT2399 Inside Circuit Block Diagram and Pins Functions There are A/D and D/A converter within PT2399 IC.And the input analog voice signal needs digital processing.Its inside circuit block diagram of the intergrated block is shown s picture 1.And the pins functions of the IC is shown as table 1. Table 1:Pins Functions of PT2399 IC Second,PT2399 Typical Application Circuit According to PT2399 internal and external resistance connection,its typical equivalent circuit is shown as picture 2.
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