All Questions
7 questions
2
votes
1
answer
362
views
Can I use an SDR to transmit on the ISM band without a license?
I would like to use my SDR to transmit arbitrary data.
Can I freely transmit in the ISM bands without any license, as long as I abide by the regulations? My understanding is that I can transmit at up ...
- 133
0
votes
2
answers
132
views
Getting started with Radio design [closed]
For a while now, I have been exploring many RF, communication protocol and radio etc. I am kind of looking for a way where i can implement the software stack for a particular open Radio. Means like ...
- 84
0
votes
4
answers
199
views
Building an FM transceiver
As an electronics hobbyist, I've already built a thing or two so this didn't seem like a complicated thing to do, but I was terribly mistaken. I wanted to build an FM modulated radio transceiver ...
- 23
1
vote
2
answers
120
views
Signal Strength to ADC quantisation levels
According to the excellent site of AB4OJ, the Icom 7300 in summary has a 14bit analogue to digital converter with a 1.5 volt peak to peak input (LTC2208-14). I make this to be 91.5uV per quantisation ...
- 21
1
vote
1
answer
556
views
Making my own radio transmitter
So I have recently been interested in Radio electronics, and I have been looking around to buy a HAM radio transmitter,but they tend to be very expensive (and you learn nothing by just buying it). So ...
- 11
1
vote
3
answers
895
views
How to chose an IF, or how bad is zero-IF really?
In a superheterodyne receiver, what must one consider in order to chose an intermediate frequency?
Specifically, I'm working on a radio telescope project. It is basically a superheterodyne receiver ...
- 124
2
votes
2
answers
217
views
Two signals alternately on the left and right of a frequency
I was listening to the WebSDR of Twente University, just outside the amateur band, and saw these signals. The x axis is frequency in kilohertz, the y axis is time, where the whole axis shown is about ...
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