From 1f8cc9fac408697969c6c9d92c1808c632330be9 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Mon, 3 Aug 2020 15:13:11 -0600 Subject: [PATCH] LNA915: update PCB information in README --- hardware/LNA915/README | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/hardware/LNA915/README b/hardware/LNA915/README index 06246f1b..151177e0 100644 --- a/hardware/LNA915/README +++ b/hardware/LNA915/README @@ -1,4 +1,4 @@ -Copyright 2014 Michael Ossmann +Copyright (c) 2014-2020 Great Scott Gadgets 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).