KS1461 Datasheet | Samsung Semiconductor

FEATURES .. - patible to play back of CDs at 1×, 2×, 4×, or 8×, and DVDs at 1× and 2× - - - - - - - - - - - - - - - - - Can deal with all of CD-R corresponding P/U’ s optical signal input without additional circuits Built-in Pre Amp that correspond to various P/U unit and gain controllable Built-in AGC (Automatic Gain Control) circuit for intensity radiation detection feedback RF AMP & equalizer for CD 1×, 2×, 4×, 8× and DVD 1×, and 2× patibility Astigmatism FE (Focus Error) AMP for CD and DVD built-in TE (Tracking Error) AMP built-in for 3-beam method of CD TE (Tracking Error) AMP built-in to the 1-beam DPD (Differential Phase Detector) for DVD RF mirror detection circuit built-in for CD and DVD RF defect detection circuit built-in for CD and DVD FOK (Focus O.K) signal detection circuit built-in for CD and DVD Built-in RF envelope signal generator circuit for CD and DVD Built-in ALPC (Automatic Laser Power Control) circuit for CD and DVD Built-in standard voltage generating circuit for analog circuit Built-in detection circuit for abnormal wave forms Built-in Auto Offset pensation circuit Range of power in operation: 4.5 ~ 5.5V 100 PIN, TQFP (0.5 mm PITCH) PRELIMINARY RF SIGNAL PROCESSOR BLOCK DIAGRAM EQGND AGCLEVEL RFAGCO RFCT CB2 CP2 RFRP RFRPN MROFST CB1 CP1 MIRRI 100 99 98 97 96 RDPF EQG EQF PLLF VZOCTL t o RF EQ TUNI NG BLOCK RFEQO EQVCC BCATH AGCC AGCI 95 94 93 92 91 90 AGCB AGCP EQIN 88 85 84 83 82 81 80 79 78 77 76 .. ACD BCD CCD DCD ADVD BDVD CDVD DDVD 1 2 3 4 5 6 7 8 AGC-HOLD(00 H) AGC_ D ET MUX A B C D + + + + RF SUM & AGC BCA BLOCK 75 BCAO 74...