Specifications

1-4A.30
Proprietary and Confidential
LPU SETUP DAB MODULATOR SCREENS
Mode 1: used for DAB Transmission in Band 3 (176-240MHz)
Mode 2, 4: used for DAB Transmission in the L-Band (1452-1492MHz)
Mode 3: reserved for satellite transmission (not used)
DAB Mode 1 DAB Mode 2
DAB Mode 3
DAB Mode 4
Frequency
bandwidth
1536 kHz
Useful bit rate 1500 kbit / s
Number of
subcarriers
1536 384 192 768
Subcarrier
spacing
1 kHz 4 kHz 8 kHz 2kHz
Total symbol
duration
1246 µs 312 µs 156 µs 623 µs
Useful symbol
duration
1000 µs 250 µs 125 µs 500 µs
Guard
interval
246 µs 62 µs 31 µs 123 µs
DAB – Modes:
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