1Copyright 2012 Michael Ossmann 2 3These files are part of HackRF. 4 5This is a free hardware design; you can redistribute it and/or modify 6it under the terms of the GNU General Public License as published by 7the Free Software Foundation; either version 2, or (at your option) 8any later version. 9 10This design is distributed in the hope that it will be useful, 11but WITHOUT ANY WARRANTY; without even the implied warranty of 12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13GNU General Public License for more details. 14 15You should have received a copy of the GNU General Public License 16along with this design; see the file COPYING. If not, write to 17the Free Software Foundation, Inc., 51 Franklin Street, 18Boston, MA 02110-1301, USA. 19 20 21Jawbreaker is the first complete HackRF platform, a wideband software radio 22transceiver with a USB interface. 23 24hardware notes: 25 26Schematic and layout files were designed in KiCad, an open source electronic 27design automation package. 28 29order of copper layers: 30 Copper 1: Front 31 Copper 2: Inner3 32 Copper 3: Inner2 33 Copper 4: Back 34 35PCB description: 4 layer PCB 0.062 in 36 Copper 1 0.5 oz foil plated to approximately 0.0017 in 37 Dielectric 1-2 0.0119 in 38 Copper 2 1 oz foil (0.0014 in) 39 Dielectric 2-3 0.0280 in 40 Copper 3 1 oz foil (0.0014 in) 41 Dielectric 3-4 0.0119 in 42 Copper 4 0.5 oz foil plated to approximately 0.0017 in 43FR4 or similar substrate with Er=4.5 (+/- 0.1) 44double side solder mask black 45double side silkscreen white 466 mil min trace width and 476 mil min isolation 48