Yc Park wrote: > Eric Blossom wrote: >> On Thu, May 21, 2009 at 08:23:31AM +0200, Yc Park wrote: >>> The recorded signal showed only about 25dB between the in-band spectrum >>> level(-25dBm/RBW) and the noise floor (-50dBm/RBW) while the original >>> signal shows at least 45dB. >> >> What gain setting are you using? >> Have you tried lowering it? >> >> Eric > > The gain was 10dB. With higher gain, the ACPR gets worse with the given > input power. > > I'm sorry that I do not know how to upload the captured spectrum, but it > is exactly as I mentioned in the first place: The noise floor is about > -50dBm while the in-band signal is at -25dBm over the 8.8MHz of the > signal bandwidth.
Forgot to mention: I also tested the gain 0, -10(I guess the result with negative gain was same with 0dB). But nothing much different with the spectrum. -- Posted via http://www.ruby-forum.com/. _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
