Fig. 3-8 Use Of Etl Bandwidth For A 2.4 Khz Af Channel - ABB ETL600 Instruction Manual

ABB Switzerland Ltd
480
540
600
Fig. 3-8
3-10
1KHW001489-EN
ETL600: Usable bandwidth of a 2.4kHz AF channel
Speech 2000 Hz
720 960 1200 1440
900 1260
1080
1080
900
1200
Use of ETL bandwidth for a 2.4 kHz AF channel
November 2005
1680 1920
1620 1980
1560
1740
ETL600
Hz
Standard
Pilot
2280 Hz
50 Bd/120Hz
(R.35)
Not available in
ETL600 Rel.1
100 Bd/240 Hz
(R.37)
200 Bd/360 Hz
(R.38b)
200 Bd/480 Hz
(R.38a)
600 Bd/960 Hz
2400 bps/840Hz
4800 bps/1680Hz
Hz
Structure and Function