In data sheet of Microtune 4937 DI5, the IF frequency of a tuner comes out to 5.75MHz.
But according to it directly measures(pin17,18) with spectrum analyzer, the IF frequency is 44MHz. Moreover, DDC values comes out to -20M if 'usrp_fft.py' is carried out. So the ADC is 64MSPS, I don't know why DDC is -20M and why IF frequency is 44MHz.. is it possible figure? -------------------------------------------------------------------------- Sang-Won Kim @Cognitive Radio Research Team Tel : +82-42-860-4850 Fax : +82-42-860-5199 email : <mailto:[EMAIL PROTECTED]> [EMAIL PROTECTED]
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