Marzipan: started hardware design by copying HackRF One

hardware/marzipan/README

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+Copyright 2012 - 2016 Great Scott Gadgets
+
+These files are part of HackRF.
+
+This is a free hardware design; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This design is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this design; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street,
+Boston, MA 02110-1301, USA.
+
+
+Marzipan is a wideband software radio transceiver capable of running Linux.
+
+hardware notes:
+
+Schematic and layout files were designed in KiCad, an open source electronic
+design automation package.
+
+order of copper layers:
+    Copper 1:  C1F (front)
+    Copper 2:  C2
+    Copper 3:  C3
+    Copper 4:  C4B (back)
+
+PCB description: 4 layer PCB 0.062 in
+    Copper        1   0.5 oz foil plated to approximately 0.0017 in
+    Dielectric  1-2   0.0119 in
+    Copper        2   1 oz foil (0.0014 in)
+    Dielectric  2-3   0.0280 in
+    Copper        3   1 oz foil (0.0014 in)
+    Dielectric  3-4   0.0119 in
+    Copper        4   0.5 oz foil plated to approximately 0.0017 in
+
+FR4 or similar substrate with Er=4.5 (+/- 0.1)
+double side solder mask green
+single side silkscreen white
+6 mil min trace width and
+6 mil min isolation

hardware/marzipan/fp-lib-table

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+(fp_lib_table
+  (lib (name hackrf)(type Legacy)(uri ${KIPRJMOD}/../kicad/hackrf.mod)(options "")(descr ""))
+  (lib (name gsg-modules)(type KiCad)(uri ${KIPRJMOD}/../gsg-kicad-lib/gsg-modules.pretty)(options "")(descr ""))
+)

hardware/marzipan/marzipan.pro

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+update=Wed 13 Jul 2016 05:14:22 PM MDT
+version=1
+last_client=kicad
+[cvpcb]
+version=1
+NetITyp=0
+NetIExt=.net
+PkgIExt=.pkg
+NetDir=
+LibDir=
+NetType=0
+[cvpcb/libraries]
+EquName1=devcms
+[general]
+version=1
+[pcbnew]
+version=1
+PadDrlX=320
+PadDimH=600
+PadDimV=600
+BoardThickness=630
+TxtPcbV=800
+TxtPcbH=600
+TxtModV=600
+TxtModH=600
+TxtModW=120
+VEgarde=100
+DrawLar=150
+EdgeLar=150
+TxtLar=120
+MSegLar=150
+LastNetListRead=marzipan.net
+[pcbnew/libraries]
+LibDir=../kicad
+LibName1=sockets
+LibName2=connect
+LibName3=discret
+LibName4=pin_array
+LibName5=divers
+LibName6=libcms
+LibName7=display
+LibName8=valves
+LibName9=led
+LibName10=dip_sockets
+LibName11=hackrf
+[eeschema]
+version=1
+LibDir=../kicad
+[eeschema/libraries]
+LibName1=power
+LibName2=device
+LibName3=transistors
+LibName4=conn
+LibName5=linear
+LibName6=regul
+LibName7=74xx
+LibName8=cmos4000
+LibName9=adc-dac
+LibName10=memory
+LibName11=xilinx
+LibName12=microcontrollers
+LibName13=dsp
+LibName14=microchip
+LibName15=analog_switches
+LibName16=motorola
+LibName17=texas
+LibName18=intel
+LibName19=audio
+LibName20=interface
+LibName21=digital-audio
+LibName22=philips
+LibName23=display
+LibName24=cypress
+LibName25=siliconi
+LibName26=opto
+LibName27=atmel
+LibName28=contrib
+LibName29=valves
+LibName30=hackrf

hardware/marzipan/marzipan.sch

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+EESchema Schematic File Version 2
+LIBS:power
+LIBS:device
+LIBS:transistors
+LIBS:conn
+LIBS:linear
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:valves
+LIBS:hackrf
+LIBS:marzipan-cache
+EELAYER 25 0
+EELAYER END
+$Descr User 17000 11000
+encoding utf-8
+Sheet 1 4
+Title "Marzipan"
+Date "13 feb 2014"
+Rev ""
+Comp "Copyright 2012 - 2016 Great Scott Gadgets"
+Comment1 "License: GPL v2"
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Sheet
+S 2550 3300 1050 150 
+U 503BB638
+F0 "frontend" 60
+F1 "frontend.sch" 60
+$EndSheet
+$Sheet
+S 2550 2850 1050 150 
+U 50370666
+F0 "baseband" 60
+F1 "baseband.sch" 60
+$EndSheet
+$Sheet
+S 2550 2400 1050 150 
+U 5037043E
+F0 "mcu/usb/power" 60
+F1 "mcu.sch" 60
+$EndSheet
+$EndSCHEMATC