Hi everyone,
I am a bit trying to understand the relationship of the gain,offset
and
decimation parameter in the USRP and
what it reflects in the capturing of the files … If i want to get a
proper
output of a particular frequency with proper
output how can i adjust them.
Althou i do realise my question / doubt may be a bit different or may be
unrealistic and the way i asked my
question may be a bit Ambigious… please do tolerate it and also ask me
if
so , so that i can make it more clearer…
Thanks guys in advance…
The input of the adc is between 0 and Vref (i don’t know this value).
The gain and the offset are to place the input value between V- and V+
(this values are chosen by you). The decimation step down the sampling
frequency. I know the operation of the verilog block, but i don’t know
how to program some new values because i don’t understand pyhton at this
time. If you want, i can send you a block schematic of the top of the
FPGA to help you to understand.
Can this help you?
Gab
----- Original Message -----
From: ton ph
To: [email protected]
Sent: Monday, December 20, 2010 3:45 AM
Subject: [Discuss-gnuradio] Guide: Understanding the various
relationship of gain, decimation and offset values in the captured file
USRP.
Hi everyone,
I am a bit trying to understand the relationship of the gain,offset
and decimation parameter in the USRP and
what it reflects in the capturing of the files … If i want to get a
proper output of a particular frequency with proper
output how can i adjust them.
Althou i do realise my question / doubt may be a bit different or may
be unrealistic and the way i asked my
question may be a bit Ambigious… please do tolerate it and also ask
me if so , so that i can make it more clearer…
Thanks guys in advance…