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參數(shù)資料
| 型號： | KS8630 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | ENHANCED CALLING LINE IDENTIFIER WITH CALL WAITING |
| 中文描述： | 增強電話線呼叫等待標識符 |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 258K |
| 代理商： | KS8630 |
KS8630D
ENHANCED CALLING LINE IDENTIFIER WITH CALL WAITING
12
PRELIMINARY
Automatic Gain Control
This block controls the AGC amplifier gain using the ADC output signal, so that the CAS detection and the FSK
demodulation block can be operated within an adequate dynamic range, and the ADC output can have enough
resolution. Connect a “Coff ” between AGC_VB and V
REF
to eliminate the amplification of DC offset.
Figure 10. Automatic Gain Control Block
The range of input signals for AGC operation is about 35dB, and the gain of the input signal has an hysteresis
characteristics. If a signal which is larger than 7/8 of the ADC input dynamic range is input into the ADC, the gain
is immediately decreased. If a signal which is smaller than 1/4 of the ADC input dynamic range is continuously input
for more than a set amount of the time (about 2ms), the gain is immediately increased.
The ADC input dynamic range is about 2V.
Figure 11. Figure 9. Input Signal vs. Gain
AGC
ADC
GAIN
CONTROL
8
5
AGC_VB
FILTER_OUT
C
OFF
VREF
Direction of Gain Decrease
Direction of Gain Increase
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KS8630D | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:ENHANCED CALLING LINE IDENTIFIER WITH CALL WAITING |
| KS8695 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| KS8695-EVAL | 功能描述:EVAL KIT EXPERIMENTAL KS8695 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
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| KS8695P_11 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Integrated Multi-Port PCI Gateway Solution |
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