Copyright (c) 2014-2020 Great Scott Gadgets <info@greatscottgadgets.com>
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.
LNA915 is a SAW filter and LNA for the 902 to 928 MHz ISM band. It is designed
for in-line connection between an antenna and HackRF One and is powered by the
HackRF One.
hardware notes:
Schematic and layout files were designed in KiCad, an open source electronic
design automation package.
The PCB is designed to fit the Crystek SMA-KIT-1.5MF housing.
order of copper layers:
Copper 1: F (front)
Copper 2: In1
Copper 3: In2
Copper 4: B (back)
PCB description: 4 layer PCB 0.8 mm
Copper 1: 0.035 mm (1 oz)
Dielectric 1-2: 0.2 mm prepreg
Copper 2: 0.0175 mm (0.5 oz)
Dielectric 2-3: 0.265 mm core
Copper 3: 0.0175 mm (0.5 oz)
Dielectric 3-4: 0.2 mm prepreg
Copper 4: 0.035 mm (1 oz)
7628 prepreg with Er=4.6
double side solder mask green
double side silkscreen white
7 mil minimum trace width
5 mil minimum isolation
PCBs of this specification are available from JLCPCB (JLC7628 4-layer 0.8 mm stackup).
