O.K. It works. The value of an 8-bit counter and 24 zeros are fed into a dac with Fs = 48kHz. (Note that 48kHz divided by 256 makes 187.5Hz.)
This figure shows that the dac has a eight times oversampling FIR interpolation filter.
Ham Radio Blog
Ham Radio Blog
O.K. It works. The value of an 8-bit counter and 24 zeros are fed into a dac with Fs = 48kHz. (Note that 48kHz divided by 256 makes 187.5Hz.)
This figure shows that the dac has a eight times oversampling FIR interpolation filter.