LA70020 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LA70020 Datasheet PDF : 13 Pages
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LA70020, 70020M
Comparator Output: Pin 8
EP envelope > SP envelope: High (min. 4.0 V)
EP envelope < SP envelope: Low (max. 0.7 V)
H-SYNC Input: Pin 11
Pin 11 level - DC > 1.5 V: H-SYNC interval
Video circuit operation only
Playback:
— Determines timing of HA switching (EP/SP)
— Determines timing of special playback
Recording:
— Serves as gate pulse for REC-AGC-AMP SYNC unit
REC/REC-MUTE/PB Switching: Pin 17
Envelope Detector Characteristic: Pin 12
The LA70020 includes a built-in playback signal envelope detector circuit for use in automating tracking adjustment.
Envelope detector voltage characteristic
Pin 12 level - detector
DC level (V)
EP, with 18-k<OMEGA_UC> resistor on pin 12
SP, with 18-k<OMEGA_UC> resistor on pin 12
Pin 12 level - playback output level (mVp-p)
No. 5711-11/13
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