Circuit Operating Descriptions
Samsung Electronics
13-7
13-2 RF
13-2-1 RIC1 (SP3723)
SP3723 is combined with Zoran Vaddis 6 as bipolar IC developed for DVD SERVO system.
Main features include DVD waveform equalizing, CD waveform equalizing, focus error signal generation, 3-beam
tracking error signal generation, DPD 1-beam tracking error, defect, MIRR output, Laser Power Control, etc.
13-2-1 (a) Basic Potentiometer
SP3723 Uses 3.5V to 5.5V and reference voltage is 1.65V.
13-2-1(b) RF signal
Fig. 13-11 shows the flow of signal generated by the pick-up.
RF signal detected from pick-up is converted in to RF signal via RF interface and attennuators.
A, B, C, D signals detected from pick-up are converted in to FE, TE, PI, CE, DEFECT signals.
Fig. 13-11
Содержание DVD-P355B/FOU
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