Rene Harder wrote: > Werner Almesberger wrote: > >> Joerg Reisenweber wrote: >> >> >>> * C4119..22, +..28 move to other side of choke >>> >>> >> This change is in ECN0038, which has been in "execute" for a while. >> Rene, do you want to implement it ? >> >> >> > > This is on my to-do list but unfortunately I couldn't find time to do > much work on gta02-core in the last couple of weeks. Hopefully I'll have > some spare time to catch up during the upcoming holidays. >
implemented and moved to done! > > >>> thought we go make that path symmetric like formerly done >>> anyway, so r4303 mustn't 0R >>> >>> >> Indeed. What happened with that ? >> >> > > This one is on my to-do list as well. (new ECN) > IIRC, we agreed to change R4303 & R4305 to 1k each. However, I just saw > that R4303 and R4305 are 2.2k in the big-C buzz fix, so I would suggest > to stick to those values. We know for sure that this works and the > higher the resistance the better the noise performance. > added new ECN0042. > >> >> >>> c4307 is a nonsense, even to have pads for it. Remove C4307 footprints >>> >>> > > Indeed, this cap is not useful at all. > > >>> we should replace (A)-R4305-(B) by (A)-R4305-(X), (X)-C4306_NC-(GND), >>> (X)-R4399_0R-(B) >>> move C4303, C4304, R4305 next to wm8753, behind B3005 >>> >>> > > I think that's a really good idea. In this configuration you completely > prevent RF from getting into MICBIAS through JK4401. > I rewrote ECN0019 to reflect those changes and reopened it for further discussions. >>> *kill R3004, R3005 finally! >>> >>> >> >> > > Okay, let's kill them. > Are we going to create a new ECN for this? Werner mentioned an "Assorted AUDIO cleanup" ECN in a previous email. I'm in favor of this idea, there we could add all those change which are not worth getting an own ECN (like this one). > >> >> >>> *c3017 -> 1uF ? >>> > > Agreed! > Added to ECN0033 and implemented change! _______________________________________________ gta02-core mailing list [email protected] https://lists.openmoko.org/mailman/listinfo/gta02-core
