參數(shù)資料
型號(hào): XR-T6166CD
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: MS (MIL-C-5015)/97 SERIES 3108A SOLID SHELL ANGLE PLUGS, RIGHT ANGLE BODY STYLE, SOLDER TERMINATION, 20 SHELL SIZE, 20-16 INSERT ARRANGEMENT, PLUG GENDER, 9 CONTACTS
中文描述: DATACOM, PCM TRANSCEIVER, PDSO28
封裝: 0.300 INCH, SOIC-28
文件頁(yè)數(shù): 11/16頁(yè)
文件大?。?/td> 151K
代理商: XR-T6166CD
XR-T6166
11
Rev. 2.02
Transmitter Code Conversion
Figure 8shows the transmitter code conversion process
that CCITT G.703 specifies for a 64kbps codirectional
interface.
Step 1
- A 64kbps bit period is divided into four unit
intervals.
Step 2
- A binary 1 is coded as a 1100.
Step 3
- A binary 0 is coded as a 1010.
Step 4
- The binary signal is converted into a three-level
signal by alternating the polarity of consecutive blocks.
Step 5
- The alternation in polarity of the blocks is violated
every eighth block. The violation block marks the last bit
in an octet.
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Bit Number
64kbps data
Steps 1-3
Step 4
Step 5
Octel Timing
Violation
Violation
1
0
0
1
0
0
1
1
1
0
1
1
1
7
8
2
3
4
5
6
7
8
Figure 8. Transmitter Code Conversion for a 64kbps Bipolar Line Signal
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