Re: USRP Update -- March 9th, 2006

Matt E. wrote:

The Flex2400 board, which was released this week covers 2300-2700 MHz.
There is a filter on board which covers the ISM band (2400-2483 MHz),
but it can be bypassed easily, giving coverage to the full 2300-2700 MHz
band. The additional bands covered include satellite, military, ham,
and other fixed wireless bands.

i am sorry…some mistake on last post. this is the one that i have
corrected… thanks:

I wonder flex2400 and rfx2400 is the same or not?

I think rfx2400 can cover frequencies from 2.3GHz to 2.9GHz right? but
in
GNU Radio, when I read the maximum and minimum freq that my
daughterboard
(rfx2400) and divide it with 2, it give me 2.5GHz… so with this, it
show
that my daughterboard maximum freq is 2.7GHz… i wonder why?

My next question on the rfx2400 daughterboard, how to bypass the ISM
band
filter? even though i haven’t bypass the filter, but i still able to
transmit at freq 2.5GHz and my receiver also work fine at 2.5GHz…
means, i
am able to receive my data successfully with minimum packet lost… i
wonder
why?

Last but not least, how do i calculate my actual power transmit? i see
that
in GNU Radio, we can control 2 power parameter; the PGA and the DAC
value.
is my Pt is like this: Pt (db) = Ppga (db) + Pdac (db) …how about the
gain
in my rfx2400? and how about the max Pt that my rfx2400 can transmit?

please help me on this… thank you very much in advance.

Adib


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On Tue, Aug 18, 2009 at 01:30:18AM -0700, adib_sairi wrote:

i am sorry…some mistake on last post. this is the one that i have
corrected… thanks:

I wonder flex2400 and rfx2400 is the same or not?

They are the same.

Eric

Eric B. wrote:

MHz

Eric

thanks Eric for the reply.
for my others question in the same post, can any one please help me? can
you
please help me Eric? i had search in the forum… there are some answer
but
it is not so clear. i will be very thank full if any one can help me
regarding this =) thank you very much.

Adib


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