Some progress. 3 out of 5 schematics and PCB's.
Carrier board for RPI + DAC, with some GPIO's available on the righthand side connector (uController/Frontpanel) 36640 PSU: 1 small SMPS for uController, 1 larger for RPI and DAC and 1 linear -12 and +12 for the head-amp. 36641 Amplifier: 4 layer board, using the TPA6120 and an OPA2134 as input buffer (composite) to keep the DC offset from the TPA6120 in check. 36642 +-------------------------------------------------------------------+ |Filename: Schermafbeelding 2022-01-03 om 22.09.57.jpg | |Download: http://forums.slimdevices.com/attachment.php?attachmentid=36642| +-------------------------------------------------------------------+ does the all-black SB sound better than the white SB? ------------------------------------------------------------------------ hsmeets's Profile: http://forums.slimdevices.com/member.php?userid=9716 View this thread: http://forums.slimdevices.com/showthread.php?t=115553 _______________________________________________ diy mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/diy
