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Commit Graph

8 Commits

Author SHA1 Message Date
Werner Almesberger
138a1beeff atusb: slightly adjusted some component values for easier sourcing
- usb.sch (R1): changed from 68 Ohm to 180 Ohm, to decrease BOM size
- atrf.sch (C17): changed from 1 pF to 2.2 pF (value is more common,
  and it can only help to reduce harmonics)
- atusb.sch, usb.sch, atrf.sch: bumped version to 20110214
- atusb.cmp: updated
2011-02-14 01:55:46 -03:00
Werner Almesberger
d8dfb509ac atusb: new layout for the ATmega32U2
- atusb.pro, atusb.cmp: updated for ATmega32U2-based design
- usb.sch: rearranged LED, nRST_RF, and SLP_TR, to make layout easier
- atusb.brd: redid layout for the ATmega32U2-based design
2011-01-31 04:57:02 -03:00
Werner Almesberger
1f959d9873 atusb: updated C8051F326 and AT86RF321 footprints
- usb.sch, atusb.cmp, atusb.brd: updated C8051F326 footprint
- atrf.sch, atusb.cmp, atusb.brd: updated AT86F231 footprint
- atusb.brd: redid some traces that mysteriously got disconnected
2011-01-23 01:32:14 -03:00
Werner Almesberger
30aff8160b atusb: introduced optional antenna matching capacitor
- atrf.sch (C16): optional antenna matching capactor (typ. 0.5 pF)
- atben.cmp, atben.brd: added C16
2011-01-22 13:22:58 -03:00
Werner Almesberger
836c89e8fd atusb: replaced old chip components with updated ones
- atusb.brd, atusb.cmp: changed all 0402-M to the new 0402
- atusb.brd, atusb.cmp: changed 0603-M to the new 0603
- atusb.brd: updated layout for component changes
2011-01-22 12:53:47 -03:00
Werner Almesberger
9ad0609d97 atusb: updated footprint assignment
- atusb/atusb.pro: instead of modules/meander, use experimental ants/meander
- atusb/atusb.pro: typo - it's modules/usb_a_plug_smt, not
  modules/usb_a_plug
- atusb/atusb.cmp (ANT1): change antenna from "meander" to "MEANDER-110"
  (10% enlarged)
- atusb/atusb.cmp (CON1): change from "miniUSB_B" USB receptacle to
  "USB-A-PLUG-SMT" plug
- atusb/atusb.cmp (VR1, VR2, VR3): update value from schematics
2010-12-01 11:08:41 -03:00
Werner Almesberger
23c37261b7 atusb: use 0402 as the preferred component size and replace bad TVS
We know from CNTR that the capacitance of the 0603 TVS (EPCOS CT0603M4G,
200 pF) is too large and can disturb the USB signal. The 0402 TVS
(Panasonic EZJ-P0V080GA, 100 pF) works much better.

Since we have lots of 0402 components already, just change the remaining
0603 to 0402, too.

- usb.sch (VR1, VR2, VR3): change from 0603 to 0402 and from 5V5 to 5V6
- usb.sch (C1, C2, R1): change from 0603 to 0402
- atrf.sch (R3): set footprint to 0402
- atusb.pro: replaced modules/mini-usb with modules/usb_a_plug
- atusb.pro: removed extension from components/balun-smt6.lib
- atusb.cmp: update footprints for above changes
- atusb.cmp: change 0402 to 0402-M and 0603 to 0603-M, for easier
  soldering
2010-11-30 06:39:48 -03:00
Werner Almesberger
b493f09363 Great renaming: atrf/wpan-atrf* becomes atusb/atusb*
- atrf/: rename to atusb/
- atrf/wpan-atrf.pro, atrf/wpan-atrf.sch, atrf/wpan-atrf.brd,
  atrf/wpan-atrf.cmp: rename to atusb.*
- atrf/Makefile: change ben-wpan to atusb
- atrf/atusb.pro (LastNetListRead): update for name change
- tools/Makefile.common (CFLAGS): change fw/ include location from atrf/
  to atusb/
2010-10-25 00:10:00 -03:00