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mschramm

  • Registered on: 03/11/2016
  • Last connection: 08/10/2020

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08/12/2020

03:25 PM E1/T1 Hardware Interface Revision 32a4aa0f (osmo-e1-xcvr): e1-tracer: add a generic 0603 blue LED type w/ Vf=2.8V
designating LTST-C193TBKT-5A for now
03:12 PM E1/T1 Hardware Interface Revision 48852032 (osmo-e1-xcvr): e1-tracer: improve power bypassing on LIU's VDDT and VDDA
...by placing 2x 22u per LIU (instead of 68u DNP), shrinking packages
from 1206 to 0805
02:07 PM E1/T1 Hardware Interface Revision d6c12735 (osmo-e1-xcvr): e1-tracer: add 2x 33R series resistors in USB wires
and
* update improved HC73 package
* move upper third of PCB (LIUs and XOs) left

08/11/2020

10:51 PM Cellular Modem Information Support #4699: Found document repository on mediatek basebands
(removing assignee)
09:36 PM E1/T1 Hardware Interface Revision a5fd6001 (osmo-e1-xcvr): e1-tracer: reapir missing VDD_3V3 on serial debug out's TVS
08:00 PM E1/T1 Hardware Interface Revision 1460628d (osmo-e1-xcvr): e1-tracer: 'update' our generic rc lib again to purge '..@1' packages
12:35 PM E1/T1 Hardware Interface Revision f75f3596 (osmo-e1-xcvr): e1-tracer: finish PCB

08/06/2020

02:24 PM E1/T1 Hardware Interface Revision e4d7fbbe (osmo-e1-xcvr): e1-tracer: state copyright in sch and brd
02:10 PM E1/T1 Hardware Interface Revision 8c9a55db (osmo-e1-xcvr): e1-tracer: PCB almost ready
... with some room for improvement: LEDs might go to the right of the
2x RJ45

07/27/2020

11:44 AM E1/T1 Hardware Interface Revision ff394bdb (osmo-e1-xcvr): e1-tracer: commit a first schematic

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