El Miércoles, 6 de Diciembre de 2006 10:48, Patrick Boettcher escribió: > Hi Hartmut, > > On Tue, 5 Dec 2006, Hartmut Hackmann wrote: > > I assume the MT2060 is similar to the MT2050. In this case, the IF center > > frequency is defined by the SAW filter on the board. The TDA10046 driver > > currently supports 2 "direct" IF frequencies: 36.125MHz and 36.1667MHz. > > IF you have a down converter like the tda9889, you can use either > > 5.1667MHz or 4.0, 4.5, 5.0MHz depending on the bandwidth. > > These can be chosen in the tda1004x_config structure. It is possible to > > add other frequencies, but yneed to extend some tables. The equations are > > in the datasheet. > > The MT2060 is, afaik the MT2050, not similar at all. MT2050 is an in-can > tuner whereas the MT2060 is a silicon tuner. The IF1 offset Chun Chung Lo > is asking for is the offset for the first IF. This offset is to have a > better alignment when the signal is at down-converted to the second IF > (around 36 MHz). > > You can find a calibration function in the reference driver from > Microtune. You should have it, when you are working on a hw-ref-design. > > A simple why to do is to try all offsets (after having the demod locked) > and afterwards take the one where the demod gave you the highest C/N. > > Patrick. > I have a problem with the values of the eeprom of my WinTV NOVA-T 500. I think they are wrong. They work better with the default value 1220. I try others values that make better results, but I don know how to calaulate the values accurately. Can you send to me how to claculate this values? Thanks. Jose Alberto _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
