Hi, on the frequency you've mentioned I didn't have any problem (never). But at lyngsat it is reported as 11914MHz. I never used freq. shifting (only tested), it was not reasonable for me. Problems I have are at transponders with 8PSK modulation. Thanks and Best Regards, Ales On Saturday 21 of June 2008, Dominik Kuhlen wrote:> Hi>> ------snip---->> > > Could you please try the attached patch if this fixes the problem with> > > nominal frequency/symbolrate settings?> >> > Many thanks, but I don't see any improvement. Minimum time after I've> > lock is 150s.>> Could you please check whether the reported frequency is sane:> Example: 19.2°E 11915MHz H 27500 DVB-S2>> Test1: use the nominal frequency:> ./simpledvbtune -f 11915 -d 2> dvbfe setparams : delsys=4 1315.000MHz / Rate : 27500kSPS> Status: 1b: Signal Carrier Sync Lock> SNR: 0 44 (0x2c) (4.4dB)> BER: 0 0 0 0 (0x0)> Signal: 5 170 (0x5aa) 1450 (145.0dBm)> Frontend: if=1313.627 MHz>> Test2: set positive offset (+3MHz):> ./simpledvbtune -f 11918 -d 2> dvbfe setparams : delsys=4 1318.000MHz / Rate : 27500kSPS> Frontend: if=1313.660 MHz> The frontend does automatically locks on the correct frequency>> Test3: set negative offset (-4MHz):> ./simpledvbtune -f 11911 -d 2> dvbfe setparams : delsys=4 1311.000MHz / Rate : 27500kSPS> Frontend: if=1313.650 MHz>> Find lower limit:> ./simpledvbtune -f 11896 -d 2 (does not work)> ./simpledvbtune -f 11897 -d 2 (works 100%)> dvbfe setparams : delsys=4 1297.000MHz / Rate : 27500kSPS> Frontend: if=1313.654 MHz>> Find upper limit:> ./simpledvbtune -f 11930 -d 2 (does not work)> ./simpledvbtune -f 11929 -d 2 (works 100%)> dvbfe setparams : delsys=4 1329.000MHz / Rate : 27500kSPS> Frontend: if=1313.645 MHz>> Which means:> - I can specify any frequency from 11896MHz to 11929MHz and get 100% lock> success - and the Frontend (actually the derotator) reports the real> frequency (e.g. for auto correcting the channels list)>> Cards I have tested so far:> - pctv452e> - mantis (Multimedia controller [0480]: Twinhan Technology Co. Ltd Mantis> DTV PCI Bridge Controller [Ver 1.0] [1822:4e35] (rev 01) Subsystem: Twinhan> Technology Co. Ltd Unknown device [1822:0031])>> Unfortunately I'm trapped behind a single-cable installation and have only> access to 19.2°E Highband Horizontal>>> Dominik _______________________________________________linux-dvb mailing listlinux-dvb@xxxxxxxxxxxxxxx://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
