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參數資料
| 型號： | L3000NSO |
| 廠商： | 意法半導體 |
| 英文描述： | SLIC KIT OPTIMIZED FOR APPLICATIONS WITH BOTH FIRST AND SECOND GENERATION COMBOS |
| 中文描述： | 用戶接口盒優(yōu)化用于包括第一代和第二代組合技的應用 |
| 文件頁數： | 9/32頁 |
| 文件大?。?/td> | 412K |
| 代理商： | L3000NSO |
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RING wires the voltagewill increases to –24V.
The comparator C1 will change its output voltage
fromlow to high level.
If the Chip Select input (CS) is low the ONHK out-
put pin will be set to low level (+ 0V) indicating
that the off hook conditionis present.
This off-hook detection circuit can be influenced
by common mode signal present on RING Termi-
nal. The capacitorCs is used to filter this common
mode signal.
In the case of very high common mode signal af-
Figure4:
Off-hookDetection Circuitin PowerDown Mode
ter the detection of a low level on the ONHK out-
put pin, it is suggested to set the SLIC in Stand-
by. In this operating mode the off-hook detection
circuit is not sensitive to the line common mode
signal.
If in Stand-by Mode the off-hook detection is not
confirmed (ONHK output set to high level) we
suggestafterfew secondto set the SLIC again in
Power Down Mode.
Total operation is managed by line card control-
ler.
L3000N
L3000N - L3092
9/32
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相關代理商/技術參數 |
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| L3000SX-77 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SUBSCRIBER LINE INTERFACE KIT |
| L3000SX-VC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
| L3000SX-VM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SUBSCRIBER LINE INTERFACE KIT |
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