Dear Jose,
what Jeff says is right.
As background info:
the diagram you're referring to depicts a USRP2 or N2xx.
The 40 MHz low pass filter is a *baseband filter*. It's part of one of
the 40 MHz-bandwidth daughterboard (WBX,SBX,CBX). You could draw a
vertical line between these filters and the D
On the RX side, the LPF filters remove signals that would create aliases
and additional noise when sampled by the ADC. On the TX side they filter
out unintended harmonics and noise generated by the DAC. The filter
bandwidth can be adjusted on many SDRs (either at this stage or in the
front end)
Hello,
I was looking at the USRP bandwidths and Sample Rate page and noticed that
there is a schematic of the RF frontend of the USRP. I noticed that
underneath the Low pass filter of this schematic there is a value of 40
MHz. Could someone tell me what this value is?
The page I looked at was
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