add pass transistor to stiffen load cell reference voltage

[hw/telefireone] / telefireone.pcb

diff --git a/telefireone.pcb b/telefireone.pcb
index 257efaaf4988f11a804d3a072171519b9954ba0e..0de1b19299d20165f4e527a4e58e88c35b1fc0f5 100644 (file)
--- a/telefireone.pcb
+++ b/telefireone.pcb
@@ -1156,7 +1156,7 @@ Element["hidename" "100mil5pin" "J7" "USB_header" 2613.00mil 2048.00mil 325.00mi
 
        )
 
-Element["hidename" "1051330011" "J5" "USBmicroV" 2814.00mil 55.3301mm -142.00mil 36.00mil 0 60 ""]
+Element["" "1051330011" "J5" "USBmicroV" 2814.00mil 55.3301mm -142.00mil 36.00mil 0 60 ""]
 (
        Pin[-124.02mil 0.0000 43.31mil 23.62mil 55.12mil 19.69mil "mnt" "mnt" "edge2"]
        Pin[-96.46mil 0.0000 43.31mil 23.62mil 55.12mil 19.69mil "mnt" "mnt" "edge2"]
@@ -2122,29 +2122,34 @@ Element["hidename" "282834-4" "J13" "pressure" 38.1749mm 61.6189mm 0.0000 0.0000
        ElementLine [-255.91mil 10.6200mm 0.0000 10.6200mm 6.00mil]
        ElementLine [0.0000 0.0000 0.0000 10.6200mm 6.00mil]
 
+       )
+
+Element["" "SOT23" "Q3" "MMBT2222A" 1652.00mil 144.00mil 110.00mil -25.00mil 2 100 ""]
+(
+       Pad[-3.00mil 0.0000 3.00mil 0.0000 34.00mil 30.00mil 40.00mil "1" "1" "square"]
+       Pad[-3.00mil 78.00mil 3.00mil 78.00mil 34.00mil 30.00mil 40.00mil "2" "2" "square"]
+       Pad[79.00mil 39.00mil 85.00mil 39.00mil 34.00mil 30.00mil 40.00mil "3" "3" "square,edge2"]
+       ElementLine [-29.00mil -25.00mil 110.00mil -25.00mil 10.00mil]
+       ElementLine [-29.00mil -25.00mil -29.00mil 103.00mil 10.00mil]
+       ElementLine [-29.00mil 103.00mil 110.00mil 103.00mil 10.00mil]
+       ElementLine [110.00mil -25.00mil 110.00mil 103.00mil 10.00mil]
+
        )
 Layer(1 "top")
 (
        Line[71.4751mm 55.8251mm 71.4751mm 52.0441mm 10.00mil 20.00mil "clearline"]
        Line[71.4751mm 52.0441mm 2813.00mil 2048.00mil 10.00mil 20.00mil "clearline"]
-       Line[72.1251mm 55.8251mm 72.1251mm 53.8843mm 10.00mil 20.00mil "clearline"]
-       Line[72.1251mm 53.8843mm 2913.00mil 2048.00mil 10.00mil 20.00mil "clearline"]
        Line[72.7751mm 55.8251mm 72.7751mm 54.6821mm 10.00mil 20.00mil "clearline"]
        Line[72.7751mm 54.6821mm 2896.00mil 2122.00mil 10.00mil 20.00mil "clearline"]
        Line[2896.00mil 2122.00mil 2939.00mil 2122.00mil 10.00mil 20.00mil "clearline"]
        Line[2939.00mil 2122.00mil 3013.00mil 2048.00mil 10.00mil 20.00mil "clearline"]
        Line[70.8251mm 55.8251mm 70.8251mm 53.9341mm 10.00mil 20.00mil "clearline"]
        Line[70.8251mm 53.9341mm 2713.00mil 2048.00mil 10.00mil 20.00mil "clearline"]
-       Line[2762.80mil 55.8251mm 2762.80mil 2151.80mil 10.00mil 20.00mil "clearline"]
-       Line[2762.80mil 2151.80mil 2733.00mil 2122.00mil 10.00mil 20.00mil "clearline"]
-       Line[2733.00mil 2122.00mil 2687.00mil 2122.00mil 10.00mil 20.00mil "clearline"]
-       Line[2687.00mil 2122.00mil 2613.00mil 2048.00mil 10.00mil 20.00mil "clearline"]
        Line[1855.00mil 385.00mil 1854.00mil 384.00mil 10.00mil 20.00mil "clearline"]
        Line[1854.00mil 534.00mil 1666.00mil 534.00mil 10.00mil 20.00mil "clearline"]
        Line[1666.00mil 534.00mil 1650.00mil 550.00mil 10.00mil 20.00mil "clearline"]
        Line[1854.00mil 484.00mil 1684.00mil 484.00mil 10.00mil 20.00mil "clearline"]
        Line[1684.00mil 484.00mil 1650.00mil 450.00mil 10.00mil 20.00mil "clearline"]
-       Line[1684.00mil 384.00mil 1650.00mil 350.00mil 10.00mil 20.00mil "clearline"]
        Line[1773.00mil 234.00mil 1772.00mil 233.00mil 10.00mil 20.00mil "clearline"]
        Line[1854.00mil 334.00mil 1772.00mil 334.00mil 10.00mil 20.00mil "clearline"]
        Line[1772.00mil 334.00mil 1772.00mil 6.7178mm 10.00mil 20.00mil "clearline"]
@@ -2265,9 +2270,6 @@ Layer(1 "top")
        Line[1850.00mil 2127.00mil 1826.00mil 2127.00mil 10.00mil 20.00mil "clearline"]
        Line[1826.00mil 2127.00mil 1795.00mil 2096.00mil 10.00mil 20.00mil "clearline"]
        Line[1795.00mil 2096.00mil 1795.00mil 2065.00mil 10.00mil 20.00mil "clearline"]
-       Line[1956.00mil 58.00mil 1956.00mil 332.00mil 10.00mil 20.00mil "clearline"]
-       Line[1956.00mil 332.00mil 1904.00mil 384.00mil 10.00mil 20.00mil "clearline"]
-       Line[1684.00mil 384.00mil 1904.00mil 384.00mil 10.00mil 20.00mil "clearline"]
        Line[2059.00mil 234.00mil 2011.00mil 234.00mil 10.00mil 20.00mil "clearline"]
        Line[2011.00mil 234.00mil 1995.00mil 218.00mil 10.00mil 20.00mil "clearline"]
        Line[1995.00mil 218.00mil 1995.00mil 119.00mil 10.00mil 20.00mil "clearline"]
@@ -2711,7 +2713,7 @@ Layer(1 "top")
        Line[1513.00mil 2443.00mil 1513.00mil 2547.00mil 10.00mil 20.00mil "clearline"]
        Line[1513.00mil 2547.00mil 1375.00mil 2685.00mil 10.00mil 20.00mil "clearline"]
        Line[54.7677mm 52.6764mm 54.7677mm 63.4769mm 10.00mil 20.00mil "clearline"]
-       Line[54.7677mm 63.4769mm 54.8545mm 63.5636mm 10.00mil 20.00mil "clearline"]
+       Line[54.7677mm 63.4769mm 54.8545mm 2502.50mil 10.00mil 20.00mil "clearline"]
        Line[2175.90mil 52.6764mm 2175.90mil 2456.90mil 10.00mil 20.00mil "clearline"]
        Line[2175.90mil 2456.90mil 2201.00mil 2482.00mil 10.00mil 20.00mil "clearline"]
        Line[2201.00mil 2482.00mil 2201.00mil 2605.00mil 10.00mil 20.00mil "clearline"]
@@ -2727,6 +2729,22 @@ Layer(1 "top")
        Line[62.5734mm 2450.00mil 62.5734mm 61.3034mm 10.00mil 20.00mil "clearline"]
        Line[62.5734mm 61.3034mm 2463.00mil 2413.00mil 10.00mil 20.00mil "clearline"]
        Line[62.5734mm 2925.00mil 2430.00mil 2925.00mil 10.00mil 20.00mil "clearline"]
+       Line[1650.00mil 350.00mil 1650.00mil 5.6896mm 10.00mil 20.00mil "clearline"]
+       Line[1650.00mil 5.6896mm 1652.00mil 222.00mil 10.00mil 20.00mil "clearline"]
+       Line[1854.00mil 384.00mil 1758.00mil 384.00mil 10.00mil 20.00mil "clearline"]
+       Line[1758.00mil 384.00mil 1722.00mil 348.00mil 10.00mil 20.00mil "clearline"]
+       Line[1722.00mil 348.00mil 1722.00mil 282.00mil 10.00mil 20.00mil "clearline"]
+       Line[1722.00mil 282.00mil 1695.00mil 255.00mil 10.00mil 20.00mil "clearline"]
+       Line[1695.00mil 255.00mil 1695.00mil 187.00mil 10.00mil 20.00mil "clearline"]
+       Line[1695.00mil 187.00mil 1652.00mil 144.00mil 10.00mil 20.00mil "clearline"]
+       Line[1772.00mil 233.00mil 1772.00mil 221.00mil 10.00mil 20.00mil "clearline"]
+       Line[1772.00mil 221.00mil 1734.00mil 183.00mil 10.00mil 20.00mil "clearline"]
+       Line[1956.00mil 58.00mil 1634.00mil 58.00mil 10.00mil 20.00mil "clearline"]
+       Line[1634.00mil 58.00mil 1589.00mil 103.00mil 10.00mil 20.00mil "clearline"]
+       Line[1589.00mil 103.00mil 1589.00mil 190.00mil 10.00mil 20.00mil "clearline"]
+       Line[1589.00mil 190.00mil 1623.00mil 224.00mil 10.00mil 20.00mil "clearline"]
+       Line[1623.00mil 224.00mil 1650.00mil 224.00mil 10.00mil 20.00mil "clearline"]
+       Line[1650.00mil 224.00mil 1652.00mil 222.00mil 10.00mil 20.00mil "clearline"]
 )
 Layer(2 "GND plane")
 (
@@ -2948,8 +2966,8 @@ Layer(7 "silk")
        Text[458.00mil 1904.00mil 0 300 "BAT" "clearline"]
        Text[565.00mil 2026.00mil 0 300 "-" "clearline"]
        Text[2877.00mil 1931.00mil 0 80 "USB" "clearline"]
-       Text[1536.00mil 63.00mil 0 190 "Load" "clearline"]
-       Text[1569.00mil 170.00mil 0 190 "Cell" "clearline"]
+       Text[1511.00mil 952.00mil 0 190 "Load" "clearline"]
+       Text[1546.00mil 1049.00mil 0 190 "Cell" "clearline"]
        Text[2529.00mil 945.00mil 0 80 "G" "clearline"]
        Text[1837.00mil 597.00mil 0 150 "excite +" "clearline"]
        Text[567.00mil 1783.00mil 0 300 "+" "clearline"]
@@ -2972,7 +2990,7 @@ Layer(7 "silk")
        Text[1058.00mil 2732.00mil 0 190 "+5V" "clearline"]
        Text[1034.00mil 2529.00mil 0 190 "GND" "clearline"]
        Text[1034.00mil 2425.00mil 0 190 "GND" "clearline"]
-       Text[24.8412mm 2625.00mil 0 190 "Pres" "clearline"]
+       Text[978.00mil 2625.00mil 0 190 "Pres" "clearline"]
 )
 NetList()
 (
@@ -3290,7 +3308,6 @@ NetList()
        Net("unnamed_net4" "(unknown)")
        (
                Connect("J5-1")
-               Connect("J7-1")
        )
        Net("unnamed_net5" "(unknown)")
        (
@@ -3307,7 +3324,6 @@ NetList()
        Net("unnamed_net7" "(unknown)")
        (
                Connect("J5-4")
-               Connect("J7-4")
        )
        Net("unnamed_net8" "(unknown)")
        (
@@ -3574,8 +3590,7 @@ NetList()
        )
        Net("unnamed_net61" "(unknown)")
        (
-               Connect("J10-5")
-               Connect("J11-1")
+               Connect("Q3-1")
                Connect("U20-4")
        )
        Net("unnamed_net62" "(unknown)")
@@ -3584,49 +3599,63 @@ NetList()
                Connect("U20-8")
        )
        Net("unnamed_net63" "(unknown)")
+       (
+               Connect("J10-5")
+               Connect("J11-1")
+               Connect("Q3-2")
+       )
+       Net("unnamed_net64" "(unknown)")
        (
                Connect("J12-1")
                Connect("U21-1")
        )
-       Net("unnamed_net64" "(unknown)")
+       Net("unnamed_net65" "(unknown)")
        (
                Connect("J12-3")
                Connect("U21-2")
        )
-       Net("unnamed_net65" "(unknown)")
+       Net("unnamed_net66" "(unknown)")
        (
                Connect("J12-5")
                Connect("U21-3")
        )
-       Net("unnamed_net66" "(unknown)")
+       Net("unnamed_net67" "(unknown)")
        (
                Connect("J12-7")
                Connect("U21-4")
        )
-       Net("unnamed_net67" "(unknown)")
+       Net("unnamed_net68" "(unknown)")
        (
                Connect("R21-1")
                Connect("U21-5")
        )
-       Net("unnamed_net68" "(unknown)")
+       Net("unnamed_net69" "(unknown)")
        (
                Connect("U21-8")
        )
-       Net("unnamed_net69" "(unknown)")
+       Net("unnamed_net70" "(unknown)")
        (
                Connect("R21-2")
                Connect("U21-6")
        )
-       Net("unnamed_net70" "(unknown)")
+       Net("unnamed_net71" "(unknown)")
        (
                Connect("U2-3")
        )
-       Net("unnamed_net71" "(unknown)")
+       Net("unnamed_net72" "(unknown)")
        (
                Connect("J13-2")
                Connect("R31-2")
        )
-       Net("unnamed_net72" "(unknown)")
+       Net("unnamed_net73" "(unknown)")
+       (
+               Connect("J7-1")
+       )
+       Net("unnamed_net74" "(unknown)")
+       (
+               Connect("J7-4")
+       )
+       Net("unnamed_net75" "(unknown)")
        (
                Connect("J21-1")
                Connect("J22-1")
@@ -3646,6 +3675,7 @@ NetList()
                Connect("C1-2")
                Connect("C39-1")
                Connect("D3-2")
+               Connect("Q3-3")
                Connect("R36-2")
                Connect("U1-1")
                Connect("U2-1")