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SDR.php   4986 Bytes    15-09-2014 22:21:44


Software Defined Radio : Rapid Bleaching




DVB-T Stick Terres 2.0 : inside view



This is in fact a very short introduction. Useful if you don't have time to read the manual(s). You need a DVB-T Receiver with an USB connector (and an RTL2832U chipset). The software installation will be explained here.




Setup • Drivers




The installation can be done in two steps :

• Add/Replace USB driver, using (e.g.) zadig
• Install SDRSharp

Plug in your DVB-T Stick in a USB port. Windows™ will then install a driver automatically. Now start zadig_2.1.0.exe or any later version. Select options and put a tick at list all devices. Your Stick now shows up in the list of the devices connected via usb. Choose it and click on Replace Driver (Administrator privileges necessary).


Zadig USB driver replacement tool


NOTE : Unplugging the dvb-t stick may cause this action to be repeated.

Now download and unzip the SDRSharp archive. Run the install.bat file. When starting the software (after installation completed), choose Source / RTL-SDR USB.


SDR-SHARP




Remarks




In fact a nice gadget. As usual the golden rule applies here, also : you get what you pay for. You will soon want to use a better antenna, possibly optimised to your frequency of interest. The display will show a lot of frequencies, which are not there : images of whatever is found in digital logic. And last but not least, the span is limited to a maximum of approx. 2 MHz. (Sampling rate) A 20 EUR dvb-t stick is not a spectrum analyser. But the software is beautiful. An appropriate tool for education - where the overloading of the input will not cost a fortune :-)




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t1 = 3943 d

t2 = 582 ms

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