I2C-bus controlled BTSC stereo/SAP decoder and audio processor.The composite input signal is fed to the input leveladjustment stage. In order to compensate tolerances ofthe FM demodulator which supplied the composite inputsignal, the TDA9855 provides an input level adjustmentstage. The control range is from -3.5 to +4.0 dB in steps of0.5 dB. The subaddress control 3 of Tables 5 and 6 andthe level adjust setting of Table 22 allows an optimumsignal adjustment during the set alignment in theproduction line. This value has to be stored in anon-volatile memory. The maximum input signal voltage is2 V (RMS).
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