> > > > > > i've just find out this amazing project, and one thing i wonder > > > is if there should be posible (or maybe openmoko is thinking > > > already about this) to design a mobile phone with the necesary > > > hardware to run gnuradio. with that kind of architecture we could > > > access all the rf spectrum so we could have a really evil > > > machine... :P
Lets see, on the hardware side, I believe you are going to need an exciter, tuned circuit, rf amplifiers, adc/dac. These will need to be specially formulated for wide spectrum use and take up a little more space than is available. The power requirements are also more than is available. And I don't know what interface you want to talk to it by. > > > > While in principle possible, you do realise that digital radio takes > > several to many thousand times the power that a special purpose > > radio takes? > > > > For example, you can get FM stereo receivers that will work off > > 1.8V at a milliamp or two. > > And that's before we even get onto the legal issues. SDR with user > modifiable software, especially on the transmit side, is a nonstarter > given the regulation of radio devices in many (most?) jurisdictions. This isn't a problem if you are a radio ham and plan to add the software yourself (following your jurisdictions regulations), else it's receive only. -- Ewan Marshall (ewanm89) Geek by nature, Linux by choice.
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