AN3479 Panasonic Semiconductor, AN3479 Datasheet
AN3479
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AN3479 Summary of contents
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ICs for VCR AN3389SB Recording/Playback Amplifier IC for 4-Head VCR Overview The AN3389SB is a multi-functional recording and play- back IC with built-in auto-tracking interface, and automat- ic head selector at special playback for 4-head VCR. Features Single power supply ...
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AN3389SB Block Diagram 2 ICs for VCR ...
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ICs for VCR Electrical Characteristics (Ta=25 2˚C) Parameter Symbol PB quiescent current I PCQ Rec quiescent current I RCQ SLOW SW input "L" (Pin36 Rec/PB input "L" (Pin33 MUTE SW input "L" (Pin20 EP/SP ...
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AN3389SB Electrical Characteristics (cont.) (Ta=25 2˚C) Parameter Symbol VCA output voltage 5 V CHARGE Pin2 Droop voltage V HOLD Pin15 Saturation voltage (V side ATOUT Pin26 Saturation voltage(GND side) G ATOUT Pin26 Offset voltage V ATOUT Pin26 V/A ...
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ICs for VCR Pin Descriptions Pin No. Pin name DC voltage (V =5V CC1 1.25V 2 CHARGE (PB) Rec. AGC 2 Det. 3 DUMP3 9 DUMP4 1.65V (PB) 10 DUMP1 16 DUMP2 4 EPCOM 2.2V (Rec) ...
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AN3389SB Pin Descriptions (cont.) Pin No. Pin name DC voltage (V =5V CH3 7 CH4 0.69V (PB) 12 CH1 14 CH2 5 CH3 7 CH4 2.2V (Rec) 12 CH1 14 CH2 6 GND1 0V 8 REF 3.2V 13 ...
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ICs for VCR Pin Descriptions (cont.) Pin No. PIn name DC voltage (V =5V) CC 1.25V 15 HOLD (PB) MIN 2.2V 15 DCFB (Rec) 17 AGCTL 2.5V 18 VGCTL 2.5V 2.5V for playback, AUDIO 19 and -IN 0.7V for recording ...
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AN3389SB Pin Descriptions (cont.) Pin No. Pin name DC voltage (V =5V PBCONT 22 SYNC 23 DFF IN 24 DFF OUT 25 EPSPSW 5V 8 Equivalent circuit (For playback) 20k 21 200 20 50k 200 22 200 23 ...
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ICs for VCR Pin Descriptions (cont.) Pin No. Pin name DC voltage (V =5V OUT 0.1V 27 GND3 0V 3.2V for 28 FM OUT playback CC2 I ADJ CC 30 3.4V Rec AGC ADJ ...
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AN3389SB Pin Descriptions (cont.) Pin No. Pin name DC voltage (V =5V) CC 3.6V for 31 AGC IN playback 32 AGC Det. 2.2V for 32 PLUS DCFB recording AGC OUT 3.1V for 33 playback PB Rec SW 34 Rec IN ...
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ICs for VCR Pin Descriptions (cont.) Pin No. Pin name DC voltage (V =5V VASEL 5V 5V for SLOW SW playback 36 3.7V for Rec EQ recording Equivalent circuit 50k Video/audio mode-selection control for automatic tracking interface. 35 ...