On 05/22/2015 05:13 PM, Venkatesh Sandilya wrote:
I meant that I would like the output of the log 10 block to be
terminated by, lets say some value of a resistor before it goes to the
scope. Is that even possible or would that be a hardware set up?
This is all digital. If you find that the magnitude is too high, you
can adjust the parameters of the scope.
In Software Defined Radio, most things you do to signals are in the
digital, post-sampled domain.
On Wed, May 20, 2015 at 5:34 PM, Marcus D. Leech <[email protected]
<mailto:[email protected]>> wrote:
On 05/20/2015 04:43 PM, Venkatesh Sandilya wrote:
Thanks much. That did produce a flatter top. Is there any way to
terminate the output of the log 10 block before it goes to the
scope input? I am searching for any such blocks in GRC but coming
up with nothing.
What do you mean by "terminate the output"??
There's the null sink, if that's what you want.
On May 8, 2015 3:43 PM, "Marcus D. Leech via USRP-users"
<[email protected] <mailto:[email protected]>>
wrote:
On 05/08/2015 02:58 PM, Venkatesh Sandilya via USRP-users wrote:
Hello
I am comparing raw video observed from the N200 with DBSRX2
with one of the receivers that we have which has a logamp
that converts RF to base band. The pulses that I get from
the output of our receiver (as observed in a scope) seem to
be of the same amplitude where as the pulses I observed
coming out of the N200 (as observed in GnuRadio scope sink)
seem to vary a lot. Attached are the plots and the grc
flowgraph. I am wondering if there is anything else I should
do (in the flowgraph) to get the pulses more smoother and
somewhat of the same amplitude. Appreciate any response to this.
Thanks
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Well, one of your views (the log-amp) is showing logarithmic
scale, while the GNu Radio plot is showing linear.
Over-the-air there will be small variations
in the time domain, and that's exactly what your plot is
showing. You could stick a log10 block in there to show on
a log scale. That might produce a
flatter "top".
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