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參數(shù)資料
| 型號： | EM92547D |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | CALLER ID FSK DECODER |
| 中文描述： | 來電顯示FSK信號解碼器 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 136K |
| 代理商： | EM92547D |
EM92547A/B/D
CALLER ID FSK DECODER
________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
1998
~ 7 ~
Timing Diagrams
Description
OSC start up
Carrier detect low
DATA OUT to Carrier det low
SHORTDATA to mark det valid
Power up low to FSK(setup time)
End of FSK to Carrier Detect high
Symbol Min.
T
OSC
T
CDL
T
DOC
T
SDV
T
SUP
T
CDH
Typ.
2
15
10
12.5
15
30
Max. Unit
4
20
20
15
20
35
--
10
--
10
--
25
ms
ms
ns
Ms
ms
ms
FSK format
There are some differences on signal spec. between Bell 202 and ITU-T V.23.
Item
Bell 202
Mark freq. (logic 1)
1200
±
1%
Space freq. (logic 0)
2200
±
1%
Transmission rate
1200 bps
Data format
serial, asynchronous
Modulation type
analog phase coherent FSK
ITU-T V.23
1300
±
1.5%
2100
±
1.5%
1200 bps
serial, asynchronous
analog phase coherent FSK
FSK timing (‘CS’ –– Channel Seizure, ‘M’ –– Mark, FSK data –– FSK data signal)
1.
DATA OUT timing
On-hook FSK :
TIP/RING
/CD
DATA OUT
OSC
FIRST RING
2 SECONDS
0.5 SEC
0.5 SEC
SECOND RING
2 SECONDS
DATA
T
CDL
/PWUP
3.58MHz
T
DOC
T
CDH
T
OSC
1
/RING TIME
/RD
T
SUP
CS
M
FSK data
1010..
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相關代理商/技術參數(shù) |
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| EM92600 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:DUAL PLL FOR 46/49 MHZ CORDLESS PHONE |
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| EM92600AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:DUAL PLL FOR 46/49 MHZ CORDLESS PHONE |
| EM92601A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:DUAL PLL FOR 46/49 MHZ CORDLESS PHONE |
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