Re: [Discuss-gnuradio] Rounding errors in PFB channelizer?

On 11/30/2017 02:08 PM, Müller, Marcus (CEL) wrote: [ snip ] You can do that (obviously, it works!), but I'd recommend you just use a channelizer with N=125 instead of 117! Your channel map can be used to ignore the channels you don't need (which seem to be the 4 upper and lower "edge" ones),

Re: [Discuss-gnuradio] Rounding errors in PFB channelizer?

And the resampler did the trick.  Carriers are now nicely aligned.  Thanks again! On Nov 29, 2017, 4:48 PM, at 4:48 PM, John Ackermann N8UR wrote: >Hi Marcus -- > >First, thanks for catching the typo in the channel map. There was no >plan to skip any channels; the goal is to get

Re: [Discuss-gnuradio] Rounding errors in PFB channelizer?

Hi Marcus -- First, thanks for catching the typo in the channel map. There was no plan to skip any channels; the goal is to get each channel in frequency order (out0 = 540 kHz; out116 = 1700 kHz). I did an experiment using a signal generator feeding the Red Pitaya receiver and testing

Re: [Discuss-gnuradio] Rounding errors in PFB channelizer?

Does the number of channels have to be a power of 2? On Wed, Nov 29, 2017 at 10:39 AM John Ackermann N8UR wrote: > I'm building a ridiculous flowgraph that breaks the AM broadcast band > (540 - 1700 kHz in the U.S.) into 117 10 kHz wide channels and measures > the energy in each.