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ZXCD1000EQ16 Datasheet(PDF) 9 Page - Zetex Semiconductors |
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ZXCD1000EQ16 Datasheet(HTML) 9 Page - Zetex Semiconductors |
9 / 16 page Other Solutions - Stereo, Closed Loop and Higher Powers. STEREO It is possible to duplicate the above solution to give a 2 channel stereo solution. However if the oscillator frequencies are not locked together, a beat can occur which is acoustically audible. This is undesirable. A stereo solution which avoids this problem can be achieved by synchronising the operating frequencies of both ZXCD1000’s class D controller IC’s, by slaving one device from the other. This is illustrated in Figure 8. Great care must be taken when linking the triangle from the master to the slave. Any pickup can cause slicing errors and result in increased distortion. The best connection method is to run two tracks, side by side, from the master to the slave. One of these tracks would be the triangle itself, and the other would be the direct local ground linking the master pin9 ground to the slave pin 9 ground. A demonstration board, ZXCD1000EVSOL, is available for a stereo 25W solution. ZXCD1000 ISSUE 2 - APRIL 2002 9 MASTER SLAVE Figure 8 Frequency synchronisation for stereo applications |
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Similar Description - ZXCD1000EQ16 |
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