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Diffstat (limited to 'scenarios.tex')
| -rw-r--r-- | scenarios.tex | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/scenarios.tex b/scenarios.tex index 90ed7ba..8d53ec6 100644 --- a/scenarios.tex +++ b/scenarios.tex @@ -154,18 +154,21 @@ following argument: --disable-output-uhd \end{lstlisting} -ODR-DabMod has been tested working with HackRF from Great Scott Gadgets on i386 -and x86 architectures.\footnote{HackRF has not been tested to any degree of - success with ARM-based computers at this time as they are not (yet) capable - of resampling to the required higher rates as the process is highly CPU - intensive.} -The unit is an entry level yet versatile SDR which provides coverage between -$\approx10$MHz to $6$GHz frequency coverage, and viable DAB signals been -generated with it in VHF Band III (174-240 MHz) L-Band (1462 - 1467.5 MHz) and -even the worldwide ISM Band (2400 - 2500 MHz). The latter (subject to your local -regulations) is a licence exempt band which may be useful for performing freely -radiating tests. Cheap MMDS down-converters are currently available which usefully -provide a Band III IF output for DAB receivers. +ODR-DabMod has been tested working with HackRF from Great Scott Gadgets on i386 and +x86 architectures.\footnote{HackRF has not been tested to any degree of success +with ARM-based computers at this time as they are not (yet) capable of resampling +to the required higher rates as the process is highly CPU intensive.} + +The unit is an entry level yet versatile SDR which provides coverage between +$\approx10$MHz to $6$GHz, and DAB signals been successfully generated with it in +VHF Band III (174-240 MHz), L-Band (1462 - 1467.5 MHz) and even the worldwide ISM +Band (2400 - 2500 MHz). The latter (subject to local regulations) is a licence exempt +band which may be useful for performing freely radiating tests at low power. Cheap +MMDS converters are currently available which helpfully provide a Band III IF output +providing a direct feed to the aerial input of a receiver. Before choosing a converter +it is important to pay close attention to the specifications. The local oscillator +phase noise performance, and the dynamic range (due to the heavy use of the band) are +both particularly important. To use HackRF, the output of ODR-DabMod must be set (in the configuration file) to produce 8-bit signed integers, rather than the default complex floats. |