PEB3265 Infineon Technologies Corporation, PEB3265 Datasheet - Page 241

• Manufacturer Part Number: PEB3265
• Description: (PEB326x / PEB426x) Dual Channel Slicofi-2 / Slic Duslic
• Manufacturer: Infineon Technologies Corporation

Preliminary
Bit
Line Echo Canceller Delta Power for Double Talk Detection (DTD):
DeltaP
(S
AR1[dB]: The exact value for AR1 is shown in the DuSLICOS result file;
approximate value AR1
DELP = DeltaP
– 96 dB
Table 56
DELP
0x81
…
0x7F
Example:
AR1 = – 3 dB
expected echo signal < – 15 dB
DeltaP
DELP = 16 = 0x10
Data Sheet
3C
R
H
– S
LEC
LEC
X
LEC-DELP
)
DTDThr
[dB] = (S
DeltaP
= 12 dB
7
Characteristic Values
LEC
[dB]: Double Talk Detection threshold
LEC
[dB]
R
– S
6
96 dB
Line Echo Canceller Delta Power
X
2/5
)
L
DTDThr
R
for L
DeltaP
– 96
96
log
5
SLICOFI-2x Command Structure and Programming
[dB] + AR1[dB] + G
10
R
(S
2 = DeltaP
R
LEC
– 2 dBr, AR1
– S
[dB]
4
241
X
)
DELP
DTDThr
LEC
[dB]
3
= – 15 dB
LEC-RI
– 2 dB for L
1.329
[dB] – G
2
R
LEC-XI
DuSLIC-E/-E2/-P
– 2 dBr.
1
[dB]
2000-07-14
0
Y