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8d487739b7
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8 Commits

Author SHA1 Message Date
Werner Almesberger
8d487739b7 atusd: removed resistor of futility 
- atusd.sch (R1): removed useless 0R resistor in clock path
- atusd.sch (R2): renamed to R1
- atusd.cmp, atusd.brd: updated for above resistor change
- atusd.sch, atusd.brd: set version number to 20110109
 2011-01-09 20:36:29 -03:00
Werner Almesberger
7d75642305 atusd.sch (C1, C2, C9): added "/RF" to make BOOM select UHI Q type 2011-01-04 01:52:58 -03:00
Werner Almesberger
3ea0199f17 atusd: switched to Johanson 2450FB15L0001 balun 
- atusd.pro: changed ../components/balun to ../components/balun-smt6
- atusd.sch (B1): replaced Wuerth 748421245 with less expensive Johanson
  2450FB15L0001
 2011-01-04 01:48:24 -03:00
Werner Almesberger
6ee76112e9 atusd: switched schematics from the AT86RF230 to the AT86RF231 
- atusd.pro: changed ../components/at86rf230 to ../components/at86rf231
- atusd.sch (U1): set to AT86RF231
- atusd.sch: moved clock input from pin 29 to pin 28 (still XTAL1)
- atusd.sch: changed version to 20110104
 2011-01-04 01:39:17 -03:00
Werner Almesberger
5d28e1b182 Corrected small footprint errors. Made 0R "inductor" a resistor. 
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: made L1 a resistor
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: changed effective
  footprints of components erroneously using 0805 to 0805-M
- atusd/atusd.pro: commit noise
 2010-09-12 00:27:10 -03:00
Werner Almesberger
f17613bc69 Applied clock voltage divider fix and corrected too closely spaced via. 
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: changed resistive
  clock voltage divider to capacitative
- atusd/atusd.brd: moved via near pin 1 and rearranged ground planes
  accordingly
- atusd/atusd.sch, atusd/atusd.brd: bumped version number to 20100911
- atusd/atusd.pro: KiCad commit noise
 2010-09-11 17:08:25 -03:00
Werner Almesberger
3533e0463c Found out that we can't share MISO and MOSI after all. Redesigned the atusd 
board.

- atusd/atusd.sch, atusd/atusd.brd: separate MISO and MOSI and free the
  extra signal we need by no longer connecting SLP_TR to the host
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: removed reset circuit
  Power-on reset seems to be sufficient.
- atusd/atusd.brd: improved AVDD ground plane
- cam/pcb.pl (rot): cut counter-clockwise to reduce burr
- cam/pcb.pl: advanced origin for 2nd run
 2010-09-08 17:36:47 -03:00
Werner Almesberger
dd999ebba3 atusd/: first try at a uSD-based board. Improved RF design. 2010-09-02 23:02:46 -03:00