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參數(shù)資料
| 型號(hào)： | LA70011M |
| 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(jī) |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大小： | 134K |
| 代理商： | LA70011M |
Synchronization of HA Switching Timing during Playback with H-SYNC Signal
During playback, the LA70011’s video circuits synchronize the HA-SW switching timing shown in the following figure
with the H-SYNC signal from pin 5. (Other EP/SP switching takes place in real time.)
Comparator Output: Pin 2
EP envelope > SP envelope: High (min. 4.0 V)
EP envelope < SP envelope: Low (max. 0.7 V)
H-SYNC Input: Pin 5
Pin 5 level - DC > 1.5 V: H-SYNC interval
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 11
GND < pin 11 level - DC < 1.0 V: PB mode
1.0 V < pin 11 level - DC < 3.0 V: REC mode, REC-MUTE
3.0 V < pin 11 level - DC < 5.0 V: REC mode
No. 5710-8/11
LA70011, 70011M
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