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參數(shù)資料
| 型號： | LA7668N |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 163K |
| 代理商： | LA7668N |
Pin8
Pin 8 is used to construct the APL level detection filter.
Pins 9 and 10
Pins 9 and 10 are used for the high-frequency detection circuit high-pass filter capacitor.
The signal input to pin 3 (the Y input signal) is accepted by an emitter-follower circuit, which outputs a signal clamped
to 2.0 V from pin 9. This 2.0 V clamped high-frequency signal is detected by the high-pass filter formed by C1. (A 2 to
3 MHz signal is detected when C1 is 20 pF.)
Pin 11
Pin 11 is the high-frequency detection circuit control voltage pin.
The pin 11 voltage sets the high-frequency detection level. (Pin 11 should normally be set to 2.5 V.) Thus an externally
applied voltage can be used to change this detection level.
No. 5097-7/11
LA7668N
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