Post on 25-Oct-2021
Spectral Mask: DSSS & HR/DSSS
7
• Transmit Spectrum Mask - IEEE defined signal requirements for a specific transmit technology. • Frequency width at which signal power must decrease by a certain amount • Minimizes interference with adjacent transmitters and frequency bands.
0 dBr
-30 dBr
-50 dBr
fc-22 MHz fc-11 MHz fc fc+11 MHz fc+22 MHz
Transmit Spectrum Mask