In this topic, we going to discuss the very tense and negative criteria for a software defined review
selection.
Suppose you want to try a different kind of signal, for example, that some some level in order to
use an.
In the case of Andy, suppose my bandit is five megahertz, and if I do a creditor litigation, then
my brain would increase it in regards because I aggregated to a device so it might do five minutes of
lightning rods.
Similarly, for the diversity of in certain bandwidth, 10 for the GSM signal, there would be a certain
bandwidth simply for a transmission sign or co-sign that we have a particular frequency, say F.C. and
we have a call here.
Similarly, in the case of XM, it is again another one transmission.
The question arises is you have to have said very carefully there how much bandwidth are going to be
customer.
For example, my signal bandwidth is slightly higher in regards to your hundred regards.
So depend on the transmission bandwidth we have here.
For example, suppose I want to transmit and understand megahertz signal for this bandwidth is under
megahertz and my transmission bandwidth of the system of the hardware is only to 50 meters.
Hence, if I want to try this and give me the signal, then it will be devoid of quality.
I will be able to transmit the signal.
So there will be a loss in the transmission.
Hence it is very important, which is the hardware aspect of the system as there is then, as well as
the bandwidth requirement of the system.
Moreover, I suppose if I want to use the software defined radio spectrum analyzer or I want to use
the signal received by the receiver in the case, suppose if I want to monitor one hundred megahertz,
100 megahertz range, so to monitor the hundred bandwidth that is of this support, given the bandwidth
and if it is not able to support the bandwidth, then there will be a cutoff or of the signals and you
will not like this bill.
The second problem is the what is just for the successful reconstruction of the signal.
So the sampling frequency of from so we can correlate with the.
So the sampling frequency should be in place of the bandwidth of the signal.
Suppose I want to transmit the megahertz signal so I simply frequencies twice that it should be under
the guards for good reconstruction of signals without any loss.
For example, in the case of of the system.
Suppose the frequency is the same frequency, maximum sampling frequencies and this is sixty one point
four for a years and the benefit of the signal is thirty six megahertz.
This is the specification of hardware, but when we try to transmit the signal beyond 31 megahertz or
megahertz, the signal will support.
This is my spectrum with 30 megahertz.
If I work for 32 megahertz, then this is the time when we need this at thirty five megahertz.
Or for that it will decay because.
The criteria of Naposki, yes, would be very here, and it should be wholly followed up when we talk,
might be six megahertz of the system but it's seven eighty six sixty one point four for the most piece.
So I can trust 31 in approximately no good way so that my transmission and the quality will be corrected
by it will be less normalized.
Spread will be minimum.
That's say, these are the two important factor in the selection of a software defined radio in this
topic.
You have learned about the bandwidth and simplicity of software defined selection.
Now, in the next, you have to how much transmitter power is required in the software defined review
selection.