-- Sent from mobile device. Please have understanding. On 6 September 2017 14:20:05 CEST, Mia Magnusson <email@example.com> wrote: > > >> This is on a 250466, don't know what exactly (what circuit) sits in >> the modulator there. While obviously the signal is far less clean >> from a 64 than from the generator, the results seem to be: >> >> - C alone and C on the composite seem to be almost exactly the >> reversed phase. >> - the "almost" is about plus 17ns for the composite C > >Should this be counted as a simple phase inversion Looks like simple inversion. Then a delay about 17ns. > >> - Y alone and Y on the composite seem to be about 23ns apart >> - the "settling"[*] on composite is noticeably longer with some >> ringing >> >> That makes it about 6ns difference in Y/C luma-chroma time relation >> between the separated and composite. > >How does it compare to a reference signal though? As mentioned earlier, on the reference there is virtually no difference. At least none that I would be able to measure using the simple oscilloscope measurement method. Message was sent through the cbm-hackers mailing listReceived on 2017-09-06 18:04:14
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