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參數(shù)資料
| 型號： | LA8518NM |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Signal Processor for Cordless Telephone Base Sets(用于無繩電話設(shè)備的信號處理器) |
| 中文描述： | 信號處理器無繩電話基地集（用于無繩電話設(shè)備的信號處理器） |
| 文件頁數(shù)： | 17/31頁 |
| 文件大?。?/td> | 560K |
| 代理商： | LA8518NM |
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Usage Explanations
c
Speech network
c
External Transistors
Because the IC has a built-in power amplifier, for reasons concerning allowable power dissipation, connect a transistor for
heat dissipation purposes as shown in Fig. 1 so that the line current is consumed externally from the IC. In addition, when
establishing the allowable power for R1 and R2, take into consideration the maximum line current that can be expected.
* When oscillation is generated due to the load state between V
L
-GND, insert C1 (about 0.1μF).
c
DC resistance conversion method
By varying R2 in Fig. 1, it is possible to change the DC resistance. (Refer to the graphs below.)
* Note that varying R2 will also change the transmitting system gain and the balancing network conditions.
c
AC impedance setting method
The AC impedance is basically determined by R3 (620
) and C2 (220 μF) in Fig. 1. Because AC loads other than the speech
network will be placed on the line, adjust the AC impedance in conjunction with the speech network impedance.
* Note that varying R3 changes the DC resistance.
Fig. 1
Line
LA8518NM
DC characteristics (Power on)
L
L
Line current, I
L
mA
L
L
DC characteristics (Power off)
Line current, I
L
mA
LA8518NM
No.5421-17/31
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA8519M | I/O Switch/Voice Signal-Processing IC for Cordless Telephones |
| LA8520 | Audio Signal-Processing IC with I/O Switching |
| LA8520M | Audio Signal-Processing IC with I/O Switching |
| LA8604M | DAMM15PGA101 |
| LA8606 | Cordless Telephone Signal Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA8519 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:300KHZ,5A/23V STEP-DOWN DC-DC CONVERRER |
| LA8519M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:I/O Switch/Voice Signal-Processing IC for Cordless Telephones |
| LA8520 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Audio Signal-Processing IC with I/O Switching |
| LA8520M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Audio Signal-Processing IC with I/O Switching |
| LA8522M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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