I did not know the symbol rate for QAM_64 so I used the VSB_8 value I found in the ATSC specification. This should be corrected as you suggest. -- Mac On Monday 17 October 2005 09:00 am, Steve Malenfant wrote: > Quick question, why is the symbol rate for the lgdt330x > is : .symbol_rate_min = 10762000, > .symbol_rate_max = 10762000, > > Shouldn't this be : > .symbol_rate_min = 5056941, (QAM_64) > .symbol_rate_max = 10762000, (VSB_8) > > I didn't know that VSB_8 was using half the bandwidth of > the symbol, I need to look into this. > > Steve M.