Michael Ossmann
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d32a6c156b
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PCB README update
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2013-12-12 22:13:22 -07:00 |
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Michael Ossmann
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a32724c119
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removed a couple GND pins to shorten P20, improving laser cut enclosure ability
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2013-12-12 16:42:05 -07:00 |
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Michael Ossmann
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54b69798db
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series resistance on CLKOUT to reduce overshoot
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2013-12-12 16:37:21 -07:00 |
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Michael Ossmann
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72662dbbc4
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load cap footprints for main crystal just in case
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2013-12-12 15:54:53 -07:00 |
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Michael Ossmann
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dc6ffc51be
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improved orientation marks for big QFNs
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2013-12-12 15:06:48 -07:00 |
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Michael Ossmann
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7a06487c3d
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better orientation dot on U15
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2013-12-12 14:59:31 -07:00 |
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Michael Ossmann
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ba7f3c86ea
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changed some 4k7 pull-up or pull-down resistors to 10k to reduce BOM
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2013-12-12 14:55:46 -07:00 |
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Michael Ossmann
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a07762bb3e
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R16 description corrected
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2013-12-12 14:41:11 -07:00 |
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Michael Ossmann
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669c027122
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PCB layer markings in copper
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2013-12-12 14:38:15 -07:00 |
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Michael Ossmann
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3fb383fb3d
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0.2 inch high, 0.1 inch pitch female headers for expansion
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2013-11-29 14:52:04 -07:00 |
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Michael Ossmann
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0eb2e9435d
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replaced obsolete capacitor selections
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2013-11-29 11:46:54 -07:00 |
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Michael Ossmann
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1128b5103b
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balanced perceived LED brightness
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2013-11-29 11:38:51 -07:00 |
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Michael Ossmann
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c33055e8bf
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1% resistors on TX analog baseband signals
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2013-11-29 11:31:17 -07:00 |
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Michael Ossmann
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91b42ed9c6
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date on silkscreen
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2013-11-27 11:57:00 -07:00 |
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Michael Ossmann
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dd7b3a2dad
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SSP1_MISO decoupling cap just in case
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2013-11-27 11:52:56 -07:00 |
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Michael Ossmann
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c9f0efa288
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trace bug introduced previous commit
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2013-11-27 02:40:14 -07:00 |
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Michael Ossmann
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e7496c5907
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analog baseband header consolidation
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2013-11-27 02:34:15 -07:00 |
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Michael Ossmann
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f00747f260
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relabeled LED2 and LED3 to RX and TX
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2013-11-25 16:59:37 -07:00 |
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Michael Ossmann
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eab5418a51
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optional passives between USB shield and GND
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2013-11-25 16:55:09 -07:00 |
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Michael Ossmann
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693935cd0d
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clippable GND test point
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2013-11-25 16:45:37 -07:00 |
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Michael Ossmann
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a751edb11a
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changed to SMT RTC crystal. populating for now. might not in the future.
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2013-11-22 23:40:15 -07:00 |
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Michael Ossmann
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9f94565b03
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resized USB connector holes
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2013-11-22 22:49:10 -07:00 |
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Michael Ossmann
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cd96c356e2
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lengthened USB TVS pads
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2013-11-22 22:35:01 -07:00 |
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Michael Ossmann
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b5dc5a72c1
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nudged USB conector
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2013-11-22 22:02:54 -07:00 |
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Michael Ossmann
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f538386c0b
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nudged pushbuttons
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2013-11-22 21:48:23 -07:00 |
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Michael Ossmann
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b61e05faef
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improved XTAL2 (MAX2837 reference clock) passives
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2013-11-22 18:42:03 -07:00 |
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Michael Ossmann
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72b76a9979
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improved REF_IN passives
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2013-11-22 17:52:28 -07:00 |
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Michael Ossmann
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575a8394ed
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fixed GP_CLKIN passives
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2013-11-22 17:08:45 -07:00 |
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Michael Ossmann
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15a51cab55
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grounded pushbutton mechanical support
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2013-11-22 09:43:10 -07:00 |
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Michael Ossmann
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04898a7820
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exposed GND through mounting holes
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2013-11-22 09:33:38 -07:00 |
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Michael Ossmann
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42a3582f98
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added resistors to decrease clock signal overshoot
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2013-11-21 18:29:56 -07:00 |
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Michael Ossmann
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0002351b21
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changed some capacitor values to improve low frequency performance
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2013-11-21 18:08:49 -07:00 |
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Michael Ossmann
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a909ca641c
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moved GCK1 test point
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2013-11-16 21:39:15 -07:00 |
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Michael Ossmann
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ca2162da29
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forgot to save schematic
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2013-11-16 21:26:07 -07:00 |
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Michael Ossmann
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95ffc704a1
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P28 and P29 reworked, exposed unused SGPIO signals, moved some CPLD JTAG signals to P28
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2013-11-16 21:22:25 -07:00 |
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Michael Ossmann
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db3ef109fa
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forgot to save schematic when adding clock signals to header
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2013-11-11 20:56:47 -07:00 |
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Michael Ossmann
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06f345239b
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silkscreen tweaks
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2013-11-11 20:49:57 -07:00 |
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Michael Ossmann
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fecc7346b3
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GND test points
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2013-11-11 19:25:28 -07:00 |
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Michael Ossmann
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a8c2c0b6d1
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more decoupling caps
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2013-11-11 19:07:28 -07:00 |
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Michael Ossmann
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26104e6735
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nudged some traces in the RF section
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2013-11-11 18:48:39 -07:00 |
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Michael Ossmann
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c5533b3c96
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reworked zones so LED signals do not cross power planes
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2013-11-11 18:04:45 -07:00 |
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Michael Ossmann
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515b6973aa
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exposed GCK1, GCK2 on expansion P28 instead of extra CPLD pins. also ditched 1V8 on P30
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2013-11-11 17:23:45 -07:00 |
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Michael Ossmann
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f576fc27f0
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rerouted 1V8
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2013-11-11 16:58:30 -07:00 |
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Michael Ossmann
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1b3da372b9
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CPLD JTAG cleanup
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2013-11-11 16:37:43 -07:00 |
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Michael Ossmann
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4577439912
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keep GCK1 on front side
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2013-11-11 16:32:37 -07:00 |
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Michael Ossmann
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174c3b427b
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still cleaning
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2013-11-11 11:09:48 -07:00 |
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Michael Ossmann
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fbcc3b60ec
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still more clean-up
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2013-11-11 10:57:08 -07:00 |
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Michael Ossmann
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923971402c
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a little more clean-up
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2013-11-11 10:51:12 -07:00 |
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Michael Ossmann
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976096f019
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a little clean-up
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2013-11-11 10:25:46 -07:00 |
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Michael Ossmann
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f7e1b15cc9
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more mounting holes
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2013-11-11 10:04:29 -07:00 |
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