psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 145

• Manufacturer Part Number: psb21391
• Description: Siemens Codec With Upn Transceiver
• Manufacturer: Infineon Technologies Corporation

Figure 73
Level Diagram For the AGC in Transmit Direction
Description of the programmable parameters:
Parameter # of CRAM
LGAX
COMX
AAX
AGX
AGIX
TMLX
TMHX
NOISX
Data Sheet
AGX=0...+18dB
-50dBm0
AGX
Bytes
1
1
1
1
1
1
1
1
-40dBm0
Range
– 12 to 12 dB
0 to – 73 dB
0 to 47 dB
0 to 18 dB
0 to 18 dB
1 to 2700 ms/dB
1 to 340 ms/dB
0 to – 95 dB
AGC INPUT LEVEL
-30dBm0
AGX+|AAX|
-20dBm0
135
Comment
Loudness Gain Adjustment
Compare level rel. to max. PCM-value
Attenuation range of Automatic Control
Gain range of Automatic control
Initial AGC gain transmit
Settling time constant for lower levels
Settling time constant for higher levels
Threshold for AGC-reduction
by background noise
-10dBm0
MAX. PCM
COMX
-40dBm0
-10dBm0
-20dBm0
-30dBm0
-50dBm0
MAX. PCM
PSB 21391
PSB 21393
OUTPUT
XKEN.DRW
LEVEL
AGC
2001-03-07
Codec