ABB ETL600 - Fig. 3-6 Use of ETL Bandwidth for a 4 Khz AF Channel

ABB Switzerland Ltd 1KHW001489-EN ETL600
2520900
1140 2820
4800 bps/1680Hz
2640
300
2400 4000 2000
2120
2200 2320 2520
50 Bd/120Hz
(R.35)
Not available in
ETL600 Rel.1
100 Bd/240 Hz
(R.37)
200 Bd/480 Hz
(R.38a)
200 Bd/360 Hz
(R.38b)
600 Bd/960 Hz
Speech 2400 Hz
Speech 2200 Hz
Speech 2000 Hz
Speech 3400 Hz
ETL600: Usable bandwidth of a 4kHz AF channel
Hz
ETL600 Pilot
540 660 780 900
1020 1140 1260 1380 1500 1620 1740 1860 1980 2100 2220 2340 2460 2580 2700 2820 2940 3060 3180 3300 3420 3540 3660 3780 3900
420
2440
2240
NSD600 own
guard options
NSD600
guard
3840
Standard
Pilot
3840 Hz
Standard
Guard
3840 Hz
Speech 2600 Hz
Speech 2800 Hz
Speech 3000 Hz
Speech 3200 Hz
3600
384036003360312028802640240021601920168014401200960720480
540 900 1260 1620 1980 2340 2700 3060 3420 3780
600 1080 1560 2040 2520 3000 3480
1080 2040 3000
4*2400 bps /
3240Hz
1980
9600 bps/3360Hz
1740 3300
1200 2880
1700
1200 Bd narrow
2860
1200 Bd V.23
3720
300
2400
4000
2000
2120
2200 2320 2520
Hz
3600 3720
2400 bps/840Hz
1980
Fig. 3-6 Use of ETL bandwidth for a 4 kHz AF channel
3-8 November 2005 Structure and Function