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LNA915: update PCB information in README

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Michael Ossmann
2020-08-03 15:13:11 -06:00
parent 21dd8a99fd
commit 1f8cc9fac4
1 changed files with 19 additions and 17 deletions
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hardware/LNA915/README
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@ -1,4 +1,4 @@
Copyright 2014 Michael Ossmann
Copyright (c) 2014-2020 Great Scott Gadgets <info@greatscottgadgets.com>
These files are part of HackRF.
@ -27,25 +27,27 @@ 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: C1F (front)
Copper 2: C2
Copper 3: C3
Copper 4: C1B (back)
Copper 1: F (front)
Copper 2: In1
Copper 3: In2
Copper 4: B (back)
PCB description: 4 layer PCB 0.0646 in
Copper 1: 1 oz copper (1.4 mil)
Dielectric 1-2: 6.7 mil prepreg
Copper 2: 0.5 oz copper (0.7 mil)
Dielectric 2-3: 47 mil core
Copper 3: 0.5 oz copper (0.7 mil)
Dielectric 3-4: 6.7 mil prepreg
Copper 4: 1 oz copper (1.4 mil)
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)
FR408 or similar substrate with Er=3.66 (+/- 0.1)
7628 prepreg with Er=4.6
double side solder mask green
double side silkscreen white
6 mil min trace width and
6 mil min isolation
7 mil minimum trace width
5 mil minimum isolation
PCBs of this specification are available from OSH Park.
PCBs of this specification are available from JLCPCB (JLC7628 4-layer 0.8 mm stackup).