From 874f820e9710af0108e0bfc4ad541d9efb44d113 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Mon, 20 Jul 2020 20:51:25 -0600 Subject: [PATCH] HackRF One: add impedance requirement --- hardware/hackrf-one/README | 1 + 1 file changed, 1 insertion(+) diff --git a/hardware/hackrf-one/README b/hardware/hackrf-one/README index 54189a1c..a0112d35 100644 --- a/hardware/hackrf-one/README +++ b/hardware/hackrf-one/README @@ -41,6 +41,7 @@ PCB description: 4 layer PCB 0.062 in Copper 4 0.5 oz foil plated to approximately 0.0017 in FR4 or similar substrate with Er=4.5 (+/- 0.1) +required impedance: 50 ohm (+/- 5%) 20 mil microstrip impedance double side solder mask green single side silkscreen white 6 mil min trace width and