Michael Ossmann
|
6c6291aaf3
|
new USB connector in schematic
|
2014-01-30 11:06:57 -07:00 |
|
Michael Ossmann
|
a0eb92b6bf
|
USB GND ferrite bead in schematic
|
2014-01-30 00:20:52 -07:00 |
|
Michael Ossmann
|
9051e7db9c
|
software controlled 3.3 V antenna bias
|
2014-01-30 00:07:53 -07:00 |
|
Michael Ossmann
|
ceb49ae0ae
|
bom update for new SMA connectors
|
2014-01-10 12:58:36 -07:00 |
|
Michael Ossmann
|
fc22bb1ff3
|
changed to a different SMA connector for physical strength and enclosure compatibility
|
2014-01-10 12:41:01 -07:00 |
|
Michael Ossmann
|
bbbd221045
|
selected 8.5 mm tall (standard) female headers
|
2013-12-23 14:27:09 -07:00 |
|
Michael Ossmann
|
a32724c119
|
removed a couple GND pins to shorten P20, improving laser cut enclosure ability
|
2013-12-12 16:42:05 -07:00 |
|
Michael Ossmann
|
54b69798db
|
series resistance on CLKOUT to reduce overshoot
|
2013-12-12 16:37:21 -07:00 |
|
Michael Ossmann
|
72662dbbc4
|
load cap footprints for main crystal just in case
|
2013-12-12 15:54:53 -07:00 |
|
Michael Ossmann
|
ba7f3c86ea
|
changed some 4k7 pull-up or pull-down resistors to 10k to reduce BOM
|
2013-12-12 14:55:46 -07:00 |
|
Michael Ossmann
|
3fb383fb3d
|
0.2 inch high, 0.1 inch pitch female headers for expansion
|
2013-11-29 14:52:04 -07:00 |
|
Michael Ossmann
|
0eb2e9435d
|
replaced obsolete capacitor selections
|
2013-11-29 11:46:54 -07:00 |
|
Michael Ossmann
|
dd7b3a2dad
|
SSP1_MISO decoupling cap just in case
|
2013-11-27 11:52:56 -07:00 |
|
Michael Ossmann
|
e7496c5907
|
analog baseband header consolidation
|
2013-11-27 02:34:15 -07:00 |
|
Michael Ossmann
|
eab5418a51
|
optional passives between USB shield and GND
|
2013-11-25 16:55:09 -07:00 |
|
Michael Ossmann
|
693935cd0d
|
clippable GND test point
|
2013-11-25 16:45:37 -07:00 |
|
Michael Ossmann
|
a751edb11a
|
changed to SMT RTC crystal. populating for now. might not in the future.
|
2013-11-22 23:40:15 -07:00 |
|
Michael Ossmann
|
b61e05faef
|
improved XTAL2 (MAX2837 reference clock) passives
|
2013-11-22 18:42:03 -07:00 |
|
Michael Ossmann
|
72b76a9979
|
improved REF_IN passives
|
2013-11-22 17:52:28 -07:00 |
|
Michael Ossmann
|
575a8394ed
|
fixed GP_CLKIN passives
|
2013-11-22 17:08:45 -07:00 |
|
Michael Ossmann
|
15a51cab55
|
grounded pushbutton mechanical support
|
2013-11-22 09:43:10 -07:00 |
|
Michael Ossmann
|
04898a7820
|
exposed GND through mounting holes
|
2013-11-22 09:33:38 -07:00 |
|
Michael Ossmann
|
42a3582f98
|
added resistors to decrease clock signal overshoot
|
2013-11-21 18:29:56 -07:00 |
|
Michael Ossmann
|
0002351b21
|
changed some capacitor values to improve low frequency performance
|
2013-11-21 18:08:49 -07:00 |
|
Michael Ossmann
|
ca2162da29
|
forgot to save schematic
|
2013-11-16 21:26:07 -07:00 |
|
Michael Ossmann
|
95ffc704a1
|
P28 and P29 reworked, exposed unused SGPIO signals, moved some CPLD JTAG signals to P28
|
2013-11-16 21:22:25 -07:00 |
|
Michael Ossmann
|
fecc7346b3
|
GND test points
|
2013-11-11 19:25:28 -07:00 |
|
Michael Ossmann
|
a8c2c0b6d1
|
more decoupling caps
|
2013-11-11 19:07:28 -07:00 |
|
Michael Ossmann
|
c5533b3c96
|
reworked zones so LED signals do not cross power planes
|
2013-11-11 18:04:45 -07:00 |
|
Michael Ossmann
|
515b6973aa
|
exposed GCK1, GCK2 on expansion P28 instead of extra CPLD pins. also ditched 1V8 on P30
|
2013-11-11 17:23:45 -07:00 |
|
Michael Ossmann
|
20518a77d5
|
SPIFI test points
|
2013-11-10 23:17:48 -07:00 |
|
Michael Ossmann
|
198bc7afeb
|
TVS diodes for CLKIN and CLKOUT
|
2013-11-10 20:19:38 -07:00 |
|
Michael Ossmann
|
afba176de4
|
USB shield break-out
|
2013-11-10 20:11:00 -07:00 |
|
Michael Ossmann
|
1fa9c9aa04
|
many test points
|
2013-11-10 19:53:25 -07:00 |
|
Michael Ossmann
|
61176e5371
|
selected a new part for USB ESD protection
|
2013-11-10 16:49:26 -07:00 |
|
Michael Ossmann
|
c5ca300a53
|
P22 consolidation, expansion
|
2013-11-09 23:32:45 -07:00 |
|
Michael Ossmann
|
d5da6dfee7
|
VBUS passives just in case
|
2013-11-09 21:17:30 -07:00 |
|
Michael Ossmann
|
02781f6bc5
|
extra footprints for clock signal passives just in case
|
2013-11-09 19:45:17 -07:00 |
|
Michael Ossmann
|
b915582f49
|
series resistors on RESET and DFU lines just in case
|
2013-11-09 18:52:55 -07:00 |
|
Michael Ossmann
|
f139288f62
|
fixed SMA connector selection
|
2013-11-09 18:20:06 -07:00 |
|
Michael Ossmann
|
6b1cd52246
|
connected RF shield
|
2013-11-09 12:56:09 -07:00 |
|
Michael Ossmann
|
08655a1fa1
|
new style PCB trace jumper to minimize DRC errors
|
2013-11-09 10:38:11 -07:00 |
|
Michael Ossmann
|
08a3f1cc13
|
VAA (RF supply) LED
|
2013-11-08 21:19:14 -07:00 |
|
Michael Ossmann
|
2edd0caa66
|
pushbutton component selection
|
2013-11-08 17:26:14 -07:00 |
|
Michael Ossmann
|
7dadbcb612
|
finished the trickiest digital signal routing
|
2013-11-07 17:12:34 -07:00 |
|
Michael Ossmann
|
42076ce57a
|
P20 consolidation
|
2013-11-07 10:04:52 -07:00 |
|
Michael Ossmann
|
8720b84e3e
|
started rearranging expansion headers
|
2013-11-06 23:24:51 -07:00 |
|
Michael Ossmann
|
b2291ba5d9
|
SPI flash layout
|
2013-11-06 15:32:09 -07:00 |
|
Michael Ossmann
|
bef5835d54
|
USB, regulator layout
|
2013-11-01 18:10:49 -06:00 |
|
Michael Ossmann
|
4af6b1688b
|
LPC4320 placed
|
2013-11-01 16:53:22 -06:00 |
|