53 Commits

Author SHA1 Message Date
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
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
a07762bb3e R16 description corrected 2013-12-12 14:41:11 -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
c33055e8bf 1% resistors on TX analog baseband signals 2013-11-29 11:31:17 -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
b61e05faef improved XTAL2 (MAX2837 reference clock) passives 2013-11-22 18:42:03 -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
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
db3ef109fa forgot to save schematic when adding clock signals to header 2013-11-11 20:56:47 -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
c5ca300a53 P22 consolidation, expansion 2013-11-09 23:32:45 -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
297639df6e chose a different button 2013-11-09 17:26:14 -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
2edd0caa66 pushbutton component selection 2013-11-08 17:26:14 -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
aff2a579e3 MAX5864 layout, rearranged analog baseband headers 2013-10-31 22:44:55 -06:00
Michael Ossmann
17e469c979 analog baseband headers 2013-10-31 21:45:34 -06:00
Michael Ossmann
c6bacf0e21 module selection update to agree with recent schematic changes 2013-10-28 17:06:49 -06:00
Michael Ossmann
7bfd46597b USB0_ID pull-up 2013-10-25 18:15:19 -06:00
Michael Ossmann
0d59261ae3 removed RF switch logic ICs, replaced with direct GPIO 2013-10-25 18:05:03 -06:00
Michael Ossmann
3ab5e3b991 high side switch for VAA (RF section power supply) 2013-10-25 14:24:27 -06:00
Michael Ossmann
3b07a93eea RTC expansion 2013-10-25 13:47:43 -06:00
Michael Ossmann
d5fbf35545 fixed all clock generator output supplies to VCC 2013-10-24 14:56:34 -06:00
Michael Ossmann
cbd3295cb3 fixed clock input and output to 3.3V CMOS 2013-10-24 14:42:03 -06:00