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31944783f2
This commit is between r8 and r9 and will be used as the basis for r10. It includes some of the changes in r9 but predates the major changes to the clock generator and IF transceiver ICs.
HackRF One is a wideband software radio transceiver with a USB interface.
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 1.6 mm
Copper 1 0.035 mm
Prepreg 1-2 0.2104 mm
Copper 2 0.0152 mm
Core 2-3 1.065 mm
Copper 3 0.0152 mm
Prepreg 3-4 0.2104 mm
Copper 4 0.035 mm
7628 prepreg with Er=4.6 (+/- 0.1)
required impedance: 50 ohm (+/- 5%) 11.55 mil microstrip impedance
double side solder mask green
single side silkscreen white
5 mil min trace width and
5 mil min isolation