From a5a0f3976d56659e55c7e4ac5805a84098823e89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A5kon=20L=C3=B8vdal?= <kode@denkule.no>
Date: Mon, 29 Jan 2018 23:05:06 +0100
Subject: [PATCH] Board_003: mbus_master_002: Update calculations

---
 .../simulation/mbus_master_002.qucs-s.dpl      |  9 +++++++--
 .../simulation/mbus_master_002.qucs-s.sch      | 18 ++++++++++--------
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/Electrical/Board_003/simulation/mbus_master_002.qucs-s.dpl b/Electrical/Board_003/simulation/mbus_master_002.qucs-s.dpl
index 36add010..6ad181a3 100644
--- a/Electrical/Board_003/simulation/mbus_master_002.qucs-s.dpl
+++ b/Electrical/Board_003/simulation/mbus_master_002.qucs-s.dpl
@@ -1,6 +1,6 @@
 <Qucs Schematic 0.0.20>
 <Properties>
-  <View=0,0,935,800,1,0,0>
+  <View=0,-52,2255,800,1,0,52>
   <Grid=10,10,0>
   <DataSet=mbus_master_002.qucs-s.dat>
   <DataDisplay=mbus_master_002.qucs-s.sch>
@@ -20,10 +20,15 @@
 <Wires>
 </Wires>
 <Diagrams>
-  <Rect 140 503 755 383 3 #c0c0c0 1 00 1 0 0.1 1 1 -0.1 0.2 1.1 1 -0.1 0.2 1.1 315 0 225 "" "" "">
+  <Rect 80 265 558 225 3 #c0c0c0 1 00 1 0 0.1 1 1 -0.1 0.2 1.1 1 -0.1 0.2 1.1 315 0 225 "" "" "">
 	<"ngspice/mbus_master_002:tran.v(mbusminus)" #0000ff 0 3 0 0 0>
 	<"ngspice/mbus_master_002:tran.v(txd)" #ff0000 0 3 0 0 0>
   </Rect>
+  <Rect 740 443 755 383 3 #c0c0c0 1 00 1 0 0.0005 0.005 1 -1.28635 2 14.7499 1 -1 0.2 1 315 0 225 "" "" "">
+	<"ngspice/mbus_master_002:tran.vdrop" #ff00ff 0 3 0 0 0>
+	  <Mkr 0.00100411 214 -214 3 0 0>
+	<"ngspice/mbus_master_002:tran.v(txd)" #ff0000 0 3 0 0 0>
+  </Rect>
 </Diagrams>
 <Paintings>
 </Paintings>
diff --git a/Electrical/Board_003/simulation/mbus_master_002.qucs-s.sch b/Electrical/Board_003/simulation/mbus_master_002.qucs-s.sch
index b50243f7..60f2b876 100644
--- a/Electrical/Board_003/simulation/mbus_master_002.qucs-s.sch
+++ b/Electrical/Board_003/simulation/mbus_master_002.qucs-s.sch
@@ -1,6 +1,6 @@
 <Qucs Schematic 0.0.20>
 <Properties>
-  <View=140,-10,2645,877,0.81227,0,58>
+  <View=140,-10,2645,927,0.81227,0,58>
   <Grid=10,10,1>
   <DataSet=mbus_master_002.qucs-s.dat>
   <DataDisplay=mbus_master_002.qucs-s.dpl>
@@ -24,24 +24,23 @@
   <GND * 1 600 440 0 0 0 0>
   <R_SPICE R4 1 600 390 15 -26 0 1 "22k" 1 "" 0 "" 0 "" 0 "" 0>
   <R_SPICE R2 1 600 170 15 -26 0 1 "39k" 1 "" 0 "" 0 "" 0 "" 0>
-  <R R1 1 340 340 -26 15 0 0 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
   <R_SPICE R5 1 900 170 15 -26 0 1 "220k" 1 "" 0 "" 0 "" 0 "" 0>
   <_BJT BD136_138_140_1 1 900 270 8 -26 1 0 "pnp" 0 "2.9537e-13" 0 "1" 0 "1.021" 0 "1.0993" 0 "0.1" 0 "137" 0 "8.41" 0 "1.8002e-13" 0 "1.5" 0 "7.0433e-12" 0 "1.38" 0 "201.4" 0 "23.765" 0 "0.01" 0 "0.011" 0 "0.01" 0 "0.1109" 0 "1.98" 0 "2.1982e-10" 0 "0.7211" 0 "0.3685" 0 "6.8291e-11" 0 "0.5499" 0 "0.3668" 0 "0.5287" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.4883" 0 "3" 0 "1.2343" 0 "26.85" 0 "1" 0>
   <GND * 1 900 440 0 0 0 0>
   <.DC DC1 1 190 500 0 38 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0>
   <.TR TR1 1 200 580 0 61 0 0 "lin" 1 "0" 1 "5 ms" 1 "101" 0 "Trapezoidal" 0 "2" 0 "1 ns" 0 "1e-16" 0 "150" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "26.85" 0 "1e-3" 0 "1e-6" 0 "1" 0 "CroutLU" 0 "no" 0 "yes" 0 "0" 0>
   <Vdc V1 1 200 170 18 -26 0 1 "34 V" 1>
-  <NutmegEq NutmegEq1 1 680 520 -27 15 0 0 "tran" 1 "mbusdiff=v(mbusplus)-v(mbusminus)" 1>
+  <.SW SW1 1 460 570 0 59 0 0 "DC1" 1 "lin" 1 "V1" 1 "34V" 1 "12V" 1 "111" 1 "false" 0>
+  <NutmegEq NutmegEq1 1 680 520 -27 15 0 0 "tran" 1 "mbusdiff=v(mbusplus)-v(mbusminus)" 1 "vdrop=v(mbusplus)-v(mbusdiff)" 1>
+  <R R1 1 340 340 -26 15 0 0 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
 </Components>
 <Wires>
   <200 90 200 140 "" 0 0 0 "">
   <200 90 600 90 "" 0 0 0 "">
   <200 200 200 230 "" 0 0 0 "">
   <200 400 200 420 "" 0 0 0 "">
-  <200 340 310 340 "TxD" 290 310 56 "">
   <460 270 600 270 "" 0 0 0 "">
   <460 270 460 310 "" 0 0 0 "">
-  <370 340 430 340 "baseq1" 380 290 22 "">
   <460 370 460 440 "" 0 0 0 "">
   <600 420 600 440 "" 0 0 0 "">
   <600 90 600 140 "" 0 0 0 "">
@@ -52,13 +51,16 @@
   <900 200 900 240 "mbusminus" 980 200 4 "">
   <600 270 870 270 "pnpbase" 799 241 160 "">
   <900 300 900 440 "" 0 0 0 "">
+  <370 340 430 340 "baseq1" 380 290 22 "">
+  <200 340 310 340 "TxD" 290 310 56 "">
 </Wires>
 <Diagrams>
-  <Rect 1160 673 755 383 3 #c0c0c0 1 00 1 0 0.0005 0.005 1 -3.34618 5 36.8079 1 -1 0.2 1 315 0 225 "" "" "">
-	<"ngspice/mbus_master:tran.v(txd)" #0000ff 0 3 0 0 0>
-	<"ngspice/mbus_master:tran.mbusdiff" #ff0000 0 3 0 0 0>
+  <Rect 1080 590 820 310 3 #c0c0c0 1 00 1 12 2 34 1 8.30002 5 36.2 1 -1 0.5 1 315 0 225 "" "" "">
+	<"ngspice/mbus_master_002:v(mbusplus)" #0000ff 0 3 0 0 0>
+	<"ngspice/mbus_master_002:v(mbusminus)" #ff0000 0 3 0 0 0>
   </Rect>
 </Diagrams>
 <Paintings>
   <Text 1190 140 12 #000000 0 "Similar to mbus_master_001 but with RX removed.\n">
+  <Text 1240 660 12 #000000 0 "The problem with using resistor voltage dividers is that\nthe voltage drop depends on the supply voltage and is not\nconstant 12V like it should be.">
 </Paintings>