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RE: [Discuss-gnuradio] Using USRP w/o Daughterboard's

From: Robitaille, Michael
Subject: RE: [Discuss-gnuradio] Using USRP w/o Daughterboard's
Date: Thu, 10 Nov 2005 17:18:26 -0700

Thanks Eric, I got my direct interface to the USRP working and the
usrp_oscope.py and ursp_fft.py examples work.  I am very glad that the
software defaults to a Basix Rx DB configuration when it finds no DB.


One item that I am trying to chase down is that when I input a square wave
at low frequencies (1 kHz to 10 kHz) I see a droop in the amplitude.  The
signal at the AD9862 input pins looks good.  Can the droop be cause by the
decimation filter? 


Michael A. Robitaille

Senior Engineer

Schafer Corporation

2309 Renard Place SE, Suite 300

Albuquerque, NM 87106

Phone: 505-338-2869

Fax: 505-242-9975


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