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參數(shù)資料
| 型號(hào)： | TC3011 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Turbo Product Code decoders |
| 中文描述： | Turbo乘積碼解碼器 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 42K |
| 代理商： | TC3011 |
This document contains preliminary information. Information is subject to change without notice.
TC3000 is covered by several patents.
Flexibility
TC3000 family offers 3 levels of flexibility :
TC3000 family member
VHDL generic parameters
before synthesis
On-the fly parameters
from block to block
9
BCH t=2 code support (YES/NO)
9
Choice on bitrate
9
Maximum row code length
9
Maximum column code length
9
Input Quantization width
9
1 or 2 input buffers
9
Row code
9
Column code
9
Shortening values
9
Max. number of iterations
9
Stopping feature enabled
FEC performance
Very high FEC performance are obtained for various block sizes and coding rates. The FEC behaviour
of the
“
BCH t=2
”
codes makes them particularly attractive for quasi-error free applications.
Gaussian channel and QPSK modulation. Results given with 5 iterations.
Product Code
Rate Eb/N0 @BER=10
-5
Eb/N0 @BER=10
-8
(32,26) x (32,26)
0.660
(32,21) x (32,21)
0.431
(64,57) x (64,57)
0.793
(64,51) x (64,51)
0.635
(128,120) x (128,120) 0.879
(128,113) x (128,113) 0.779
(256,247) x (256,247) 0.931
(256,239) x (256,239) 0.872
Block Diagram
2.9 dB
2.4 dB
3.2 dB
2.6 dB
3.8 dB
3.3 dB
4.5 dB
4.0 dB
3.6 dB
N.A.
3.6 dB
2.9 dB
4.2 dB
3.4 dB
4.8 dB
N.A.
Implementation results
Codes supported
Product
Hamming
Generic parameter setting
Row max.
length
max. length
64
64
64
64
128
128
64
64
Implementation results
APEX20K
device
MHz
200 C7
82
200 C7
72
400 C7
67
400 C7
79
BCH t=2
Column
Data
width
4
4
4
4
bank
swap
NO
NO
NO
NO
LE
ESB
Fmax
Typical Bitrate
@(64,57)
2
, 5 iterations
8 Mbits/s
25 Mbits/s
23.5 Mbits/s
14 Mbits/s
TC3011
TC3014
9
2025
6926
8115
8932
22
36
88
24
9
TC3022
9
9
module
Configuration module
DRDY
D[D_WIDTH-1:0]
DEN
TC3000
DBLK
Interface
MSELECT
QRDY
Q
QEN
QBLK
Signals
Buffer #1
Buffer #0
Interface
I/Os
Interface
module
Buffer
module
Decoder
DCK
M
M
M
M
M
Input
RSTB
CK
QCK
M
T
M
T
I
Global
Input
Input
I
Output
Dedicated
Configuration
Microcontroller
Output
Output
Input
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