Re: [Discuss-gnuradio] noise problem with USRP

2007-06-19 Thread ematlis
Chris- thanks for the suggestions. I may try to add the ferrite toroid. It's just curious that I didn't notice this before. Maybe my power brick is functioning differently, although it is brand new. thanks, eric On Mon, 18 Jun 2007, Chris Albertson wrote: --- [EMAIL PROTECTED] wrote:

Re: [Discuss-gnuradio] noise problem with USRP

2007-06-18 Thread Chris Albertson
--- [EMAIL PROTECTED] wrote: > I'm seeing a strange noise issue with my USRP. I have a simple > antenna > fashioned out of a spool of wire connected to a LF-DC daughterboard So if (1) antenna is connected and (2) you are using notebook connected to mains then you see 120Hz noise. So I think t

[Discuss-gnuradio] noise problem with USRP

2007-06-18 Thread ematlis
Hello all- I'm seeing a strange noise issue with my USRP. I have a simple antenna fashioned out of a spool of wire connected to a LF-DC daughterboard with no anti-aliasing filters. The USRP is connected to a laptop and powered off it's standard brick power supply. When the laptop is plugged