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參數(shù)資料
| 型號： | LA70020M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Recording/Playback Amplifier for VHS VCRs |
| 中文描述： | 錄音/放音放大器適合于VHS錄像機 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 173K |
| 代理商： | LA70020M |
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.
No. 5711-11/13
LA70020, 70020M
SP, with 18-k<OMEGA_UC> resistor on pin 12
Pin 12 level - detector
DC level (V)
Pin 12 level - playback output level (mVp-p)
Envelope detector voltage characteristic
EP, with 18-k<OMEGA_UC> resistor on pin 12
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