From ef0daba7ad962ce0bb1a9185696fa9581a377437 Mon Sep 17 00:00:00 2001 From: uhi22 Date: Tue, 29 Oct 2024 08:09:09 +0100 Subject: [PATCH] docu: signal amplitudes of transformerless Foccci --- doc/plcSignalAmplitude.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/plcSignalAmplitude.md b/doc/plcSignalAmplitude.md index ebe0146..8aa6770 100644 --- a/doc/plcSignalAmplitude.md +++ b/doc/plcSignalAmplitude.md @@ -56,6 +56,17 @@ with 120ohm termination - Foccci sees single messages, if 400mVpp -42dB. This is 3mV. - Foccci does not see the EVSE (modem goes to sleep) if 400mVpp -44dB. This is 400mVpp/158 = 2.5mVpp. +10. Foccci 5.1 transformerless patch, R25=100ohms, receive limit + +- 400mV -32dB stable connection. +- 400mV -38dB still works, starting to become instable. +- 400mV -44dB sometimes modem sleep, sometimes not. +- 400mV -50dB modem sleep. + +11. Foccci 5.1 transformerless patch, R25=100ohms, transmit level + +210mVpp + # Attenuation calculator