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參數(shù)資料
| 型號： | 3D7503G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | MONOLITHIC MANCHESTER ENCODER/DECODER |
| 中文描述： | 整體式曼徹斯特編碼/解碼器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 47K |
| 代理商： | 3D7503G |
3D7503
Doc #98009
12/11/98
DATA DELAY DEVICES, INC.
2
Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
TABLE 1: PART NUMBER SPECIFICATIONS
PART
NUMBER
3D7503-5
3D7503-10
3D7503-20
3D7503-25
3D7503-30
3D7503-40
3D7503-50
DECODER BAUD RATE (MBaud)
Nominal
Minimum
5.00
10.00
20.00
25.00
30.00
40.00
50.00
Maximum
4.25
8.50
17.00
21.25
25.50
34.00
42.50
5.75
11.50
23.00
28.75
34.50
46.00
57.50
NOTE:
Any baud rate between 5 and 50 MBaud not shown is also available at no extra cost.
APPLICATION NOTES
ENCODER
The Manchester encoder subsystem samples the
data input at the rising edge of the input clock.
The sampled data is used in conjunction with the
clock rising and falling edges to generate the by-
phase level Manchester code.
The encoder employs the timing of the clock
rising and falling edges (duty cycle) to implement
the required coding scheme, as shown in Figure
1. To reduce the difference between the output
data high time and low time, it is essential that
the deviation of the input clock duty cycle from
50/50 be minimized.
The encoder presents at its outputs the true and
the complimented encoded data. The High-to-
Low time skew of the selected data output should
be budgeted by the user, as it relates to his
application, to satisfactorily estimate the
distortion of the transmitted data stream. Such
an estimate is very useful in determining the
functionality and margins of the data link, if a
Manchester decoder is used to decode the
received data.
RESET
(RESB)
CLOCK
(CIN)
DATA
(DIN)
TRANSMIT
(TX)
TRANSMIT
(TXB)
t
DS
t
DH
Figure 1: Timing Diagram (Encoder)
1/f
C
1
0
1
1
0
0
1
0
1
0
1
1
0
0
1
0
(Left high for normal operation)
T
2H
T
2L
T
1H
T
1L
相關PDF資料 |
PDF描述 |
|---|---|
| 3D7503SERIES | MONOLITHIC MANCHESTER ENCODER/DECODER |
| 3D7503-5 | MONOLITHIC MANCHESTER ENCODER/DECODER |
| 3D7503-50 | MONOLITHIC MANCHESTER ENCODER/DECODER |
| 3D7522 | MONOLITHIC MANCHESTER DECODER |
| 3D7523D-5 | MONOLITHIC MANCHESTER ENCODER/DECODER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 3D7503SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MONOLITHIC MANCHESTER ENCODER/DECODER |
| 3D7521 | 制造商:DATADELAY 制造商全稱:Data Delay Devices, Inc. 功能描述:MONOLITHIC MANCHESTER ENCODER |
| 3D7521D | 制造商:DATADELAY 制造商全稱:Data Delay Devices, Inc. 功能描述:MONOLITHIC MANCHESTER ENCODER |
| 3D7521Z | 制造商:DATADELAY 制造商全稱:Data Delay Devices, Inc. 功能描述:MONOLITHIC MANCHESTER ENCODER |
| 3D7522 | 制造商:DATADELAY 制造商全稱:Data Delay Devices, Inc. 功能描述:MONOLITHIC MANCHESTER DECODER |
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