Re: [Discuss-gnuradio] CIC stop band

[Robert McGwier]

Hans:

I don't think you really want the CIC transfer function but the transfer 
function of the convolution of the half band filters and the CIC since 
that is the total transfer function through the FPGA.  Am I right?

Bob


Hans Glitsch wrote:
> Hello,
>
> What is the stop band of the FPGA CIC filter?  How do I figure out the 
> attenuation at a given frequency outside my bandwidth?
>
> I'm decimating by 250.
>
> Thanks,
> Hans


--
AMSAT Director and VP Engineering. Member: ARRL, AMSAT-DL,
TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. ARRL SDR WG Chair
"If you're going to be crazy, you have to get paid for it or
else you're going to be locked up." Hunter S. Thompson