From: Bdale Garbee Date: Sat, 6 Feb 2016 00:44:13 +0000 (+1100) Subject: voltage divider on pressure sensor output, ore bypass caps X-Git-Tag: fab-v1.0~3 X-Git-Url: https://git.gag.com/?p=hw%2Ftelefireone;a=commitdiff_plain;h=8bf98198528ba6a3d0d3db2da08fb8a01644bcb2 voltage divider on pressure sensor output, ore bypass caps --- diff --git a/telefiretwo.pcb b/telefiretwo.pcb index 252d31e..bef95d2 100644 --- a/telefiretwo.pcb +++ b/telefiretwo.pcb @@ -900,6 +900,7 @@ Via[752.67mil 1364.00mil 30.00mil 20.00mil 0.0000 15.00mil "" "thermal(1S,3S)"] Via[826.67mil 1364.00mil 30.00mil 20.00mil 0.0000 15.00mil "" "thermal(1S,3S)"] Via[752.67mil 1268.00mil 30.00mil 20.00mil 0.0000 15.00mil "" "thermal(1S,3S)"] Via[826.67mil 1268.00mil 30.00mil 20.00mil 0.0000 15.00mil "" "thermal(1S,3S)"] +Via[1850.00mil 2065.00mil 30.00mil 20.00mil 0.0000 15.00mil "" "thermal(1S,3S)"] Element["hidename" "hole-M3" "H1" "unknown" 687.00mil 383.00mil -22.00mil -36.00mil 0 60 ""] ( @@ -2016,14 +2017,14 @@ Element["hidename" "282834-8" "J12" "NTC_A" 38.1749mm 190.94mil 0.0000 0.0000 3 ) -Element["hidename" "0402" "R104" "27k" 2177.00mil 658.26mil 30.50mil -44.50mil 3 100 ""] +Element["hidename" "0402" "R104" "10k" 2177.00mil 658.26mil 30.50mil -44.50mil 3 100 ""] ( Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] ) -Element["hidename" "0402" "R105" "10k" 2138.00mil 658.00mil -31.50mil 31.50mil 1 100 ""] +Element["hidename" "0402" "R105" "5.6k" 2138.00mil 658.00mil -31.50mil 31.50mil 1 100 ""] ( Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] @@ -2063,6 +2064,41 @@ Element["hidename" "0402" "R401" "10k" 2069.00mil 1732.00mil 14.00mil -0.8702mm Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + ) + +Element["" "0402" "C4" "0.1uF" 1997.00mil 1721.00mil 31.50mil 31.50mil 2 100 ""] +( + Pad[15.74mil -3.93mil 15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] + Pad[-15.74mil -3.93mil -15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + + ) + +Element["" "0402" "C3" "0.1uF" 57.1058mm 2147.00mil -31.50mil -31.50mil 0 100 ""] +( + Pad[-15.74mil -3.93mil -15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] + Pad[15.74mil -3.93mil 15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + + ) + +Element["" "0402" "C2" "0.1uF" 593.26mil 981.00mil -31.50mil -31.50mil 0 100 ""] +( + Pad[-15.74mil -3.93mil -15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] + Pad[15.74mil -3.93mil 15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + + ) + +Element["" "0402" "R31" "5.6k" 1850.00mil 55.2384mm 31.50mil -31.50mil 3 100 ""] +( + Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] + Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + + ) + +Element["" "0402" "R32" "10k" 1850.00mil 53.6260mm 31.50mil -31.50mil 3 100 ""] +( + Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"] + Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"] + ) Layer(1 "top") ( @@ -2541,9 +2577,6 @@ Layer(1 "top") Line[49.9295mm 46.5513mm 1960.00mil 1827.00mil 10.00mil 20.00mil "clearline"] Line[1960.00mil 1827.00mil 1960.00mil 1807.00mil 10.00mil 20.00mil "clearline"] Line[1960.00mil 1807.00mil 1970.00mil 1797.00mil 10.00mil 20.00mil "clearline"] - Line[1795.00mil 2126.00mil 1795.00mil 2497.00mil 10.00mil 20.00mil "clearline"] - Line[1795.00mil 2497.00mil 1706.00mil 2586.00mil 10.00mil 20.00mil "clearline"] - Line[1706.00mil 2586.00mil 1651.00mil 2586.00mil 10.00mil 20.00mil "clearline"] Line[1651.00mil 2586.00mil 1650.00mil 2585.00mil 10.00mil 20.00mil "clearline"] Line[1880.00mil 2870.00mil 1880.00mil 2929.00mil 10.00mil 20.00mil "clearline"] Line[1880.00mil 2929.00mil 1962.00mil 3011.00mil 10.00mil 20.00mil "clearline"] @@ -2657,6 +2690,29 @@ Layer(1 "top") Line[27.2431mm 68.0539mm 25.0328mm 68.0539mm 10.00mil 20.00mil "clearline"] Line[752.67mil 1364.00mil 752.67mil 1268.00mil 25.00mil 20.00mil "clearline"] Line[826.67mil 1364.00mil 826.67mil 1268.00mil 25.00mil 20.00mil "clearline"] + Line[1972.00mil 1760.00mil 1972.00mil 43.9486mm 10.00mil 20.00mil "clearline"] + Line[1972.00mil 43.9486mm 50.3240mm 1721.00mil 10.00mil 20.00mil "clearline"] + Line[2012.00mil 1758.00mil 2012.00mil 43.7322mm 10.00mil 20.00mil "clearline"] + Line[2012.00mil 43.7322mm 51.1236mm 1721.00mil 10.00mil 20.00mil "clearline"] + Line[2205.00mil 2112.00mil 2205.00mil 53.8348mm 10.00mil 20.00mil "clearline"] + Line[2205.00mil 53.8348mm 56.7060mm 2147.00mil 10.00mil 20.00mil "clearline"] + Line[2264.00mil 2147.00mil 2264.00mil 2100.00mil 10.00mil 20.00mil "clearline"] + Line[2264.00mil 2100.00mil 2268.00mil 2096.00mil 10.00mil 20.00mil "clearline"] + Line[609.00mil 981.00mil 643.00mil 981.00mil 10.00mil 20.00mil "clearline"] + Line[643.00mil 981.00mil 676.00mil 1014.00mil 10.00mil 20.00mil "clearline"] + Line[14.6690mm 981.00mil 533.00mil 981.00mil 10.00mil 20.00mil "clearline"] + Line[533.00mil 981.00mil 512.00mil 1002.00mil 10.00mil 20.00mil "clearline"] + Line[512.00mil 1002.00mil 512.00mil 1084.00mil 10.00mil 20.00mil "clearline"] + Line[1795.00mil 2126.00mil 1849.00mil 2126.00mil 10.00mil 20.00mil "clearline"] + Line[1849.00mil 2126.00mil 1850.00mil 2127.00mil 10.00mil 20.00mil "clearline"] + Line[1850.00mil 2127.00mil 1850.00mil 2159.00mil 10.00mil 20.00mil "clearline"] + Line[1650.00mil 2585.00mil 1713.00mil 2585.00mil 10.00mil 20.00mil "clearline"] + Line[1713.00mil 2585.00mil 1804.00mil 2494.00mil 10.00mil 20.00mil "clearline"] + Line[1804.00mil 2494.00mil 1804.00mil 2204.00mil 10.00mil 20.00mil "clearline"] + Line[1804.00mil 2204.00mil 1817.00mil 2191.00mil 10.00mil 20.00mil "clearline"] + Line[1817.00mil 2191.00mil 46.9768mm 2191.00mil 10.00mil 20.00mil "clearline"] + Line[46.9768mm 2191.00mil 1850.00mil 55.6382mm 10.00mil 20.00mil "clearline"] + Line[1850.00mil 53.2262mm 1850.00mil 2065.00mil 10.00mil 20.00mil "clearline"] ) Layer(2 "GND plane") ( @@ -2895,6 +2951,9 @@ NetList() ( Net("+3.3V" "(unknown)") ( + Connect("C2-2") + Connect("C3-2") + Connect("C4-2") Connect("C6-1") Connect("C36-2") Connect("C37-2") @@ -3010,6 +3069,9 @@ NetList() Net("GND" "(unknown)") ( Connect("C1-1") + Connect("C2-1") + Connect("C3-1") + Connect("C4-1") Connect("C6-2") Connect("C30-2") Connect("C31-2") @@ -3072,6 +3134,7 @@ NetList() Connect("R20-1") Connect("R26-1") Connect("R30-1") + Connect("R32-1") Connect("R37-1") Connect("R39-1") Connect("R104-1") @@ -3123,7 +3186,8 @@ NetList() ) Net("pressure" "(unknown)") ( - Connect("J13-2") + Connect("R31-1") + Connect("R32-2") Connect("U7-25") ) Net("radio_int" "(unknown)") @@ -3549,6 +3613,11 @@ NetList() ( Connect("U2-3") ) + Net("unnamed_net73" "(unknown)") + ( + Connect("J13-2") + Connect("R31-2") + ) Net("usbdm" "(unknown)") ( Connect("R54-1") diff --git a/telefiretwo.sch b/telefiretwo.sch index da3e63f..7e95eba 100644 --- a/telefiretwo.sch +++ b/telefiretwo.sch @@ -1,6 +1,6 @@ v 20130925 2 C 40000 40000 0 0 0 title-E-bdale.sym -N 58300 42900 62300 42900 4 +N 58300 42900 67100 42900 4 N 60800 42900 60800 44400 4 C 50700 60000 1 0 1 gnd.sym T 78500 41300 9 30 1 0 0 0 2 @@ -105,7 +105,7 @@ footprint=hole-M3 T 81600 52100 5 10 0 1 0 0 1 loadstatus=noload } -C 62900 45300 1 0 0 3.3V-plus.sym +C 63000 45300 1 0 0 3.3V-plus.sym C 81600 51200 1 0 0 hole_plated.sym { T 81700 53000 5 10 0 1 0 0 1 @@ -170,7 +170,7 @@ footprint=0402 T 53000 45600 5 10 1 1 0 0 1 value=22k } -N 61800 45300 64400 45300 4 +N 61800 45300 67100 45300 4 N 51500 45500 51600 45500 4 N 51600 45500 51600 45300 4 N 51600 46300 51600 46700 4 @@ -187,18 +187,17 @@ T 69400 56100 5 10 0 1 0 0 1 footprint=0402 } C 70500 55600 1 0 0 gnd.sym -C 63300 44400 1 90 0 capacitor.sym +C 63400 44400 1 90 0 capacitor.sym { -T 62600 44600 5 10 0 1 90 0 1 +T 62700 44600 5 10 0 1 90 0 1 device=CAPACITOR -T 63600 45200 5 10 1 1 180 0 1 +T 63100 45100 5 10 1 1 180 0 1 refdes=C37 -T 63200 44500 5 10 1 1 0 0 1 +T 62700 44500 5 10 1 1 0 0 1 value=2.2uF -T 63300 44400 5 10 0 1 0 0 1 +T 63400 44400 5 10 0 1 0 0 1 footprint=0402 } -C 63000 44100 1 0 0 gnd.sym C 71600 56400 1 0 1 MCP130T.sym { T 71305 57395 5 10 1 1 0 6 1 @@ -632,26 +631,26 @@ footprint=0402 } N 48900 61500 52000 61500 4 N 48900 61100 52000 61100 4 -C 64500 43500 1 90 0 resistor.sym +C 67200 43500 1 90 0 resistor.sym { -T 64100 43800 5 10 0 1 90 0 1 +T 66800 43800 5 10 0 1 90 0 1 device=RESISTOR -T 64500 43495 5 10 0 1 90 0 1 +T 67200 43495 5 10 0 1 90 0 1 footprint=0402 -T 64200 44200 5 10 1 1 180 0 1 +T 66900 44200 5 10 1 1 180 0 1 refdes=R39 -T 63800 43700 5 10 1 1 0 0 1 +T 66500 43700 5 10 1 1 0 0 1 value=26.1k } -C 64500 44400 1 90 0 resistor.sym +C 67200 44400 1 90 0 resistor.sym { -T 64100 44700 5 10 0 1 90 0 1 +T 66800 44700 5 10 0 1 90 0 1 device=RESISTOR -T 64500 44395 5 10 0 1 90 0 1 +T 67200 44395 5 10 0 1 90 0 1 footprint=0402 -T 64200 45100 5 10 1 1 180 0 1 +T 66900 45100 5 10 1 1 180 0 1 refdes=R38 -T 63900 44600 5 10 1 1 0 0 1 +T 66600 44600 5 10 1 1 0 0 1 value=200k } C 59200 42900 1 90 0 resistor.sym @@ -676,10 +675,9 @@ refdes=R36 T 58500 44100 5 10 1 1 0 0 1 value=200k } -C 64300 43200 1 0 0 gnd.sym -N 64400 44400 65500 44400 4 +N 67100 44400 68200 44400 4 { -T 64800 44500 5 10 1 1 0 0 1 +T 67500 44500 5 10 1 1 0 0 1 netname=cmp_rail } N 59100 44700 59100 45300 4 @@ -1283,7 +1281,7 @@ N 50600 45700 50600 45500 4 T 58800 49600 9 10 1 0 0 0 1 Tolerate power supply up to 30V C 59500 42600 1 0 0 gnd.sym -T 62700 42100 9 10 1 0 0 0 4 +T 67600 43300 9 10 1 0 0 0 4 Trigger comparator at 3.844V: 3.844 * 22.0/222.0 = 0.381 @@ -1986,7 +1984,7 @@ loadstatus=smt T 81500 67900 5 10 1 1 180 0 1 refdes=R105 T 81100 67400 5 10 1 1 0 0 1 -value=10k +value=5.6k } C 81000 66100 1 90 0 resistor.sym { @@ -2003,7 +2001,7 @@ loadstatus=smt T 81500 66800 5 10 1 1 180 0 1 refdes=R104 T 81100 66300 5 10 1 1 0 0 1 -value=27k +value=10k } N 80900 67200 80900 67000 4 N 80900 67100 82500 67100 4 @@ -2260,9 +2258,9 @@ C 72600 60300 1 0 0 gnd.sym N 72400 60800 72700 60800 4 N 72700 60600 72700 61200 4 N 72400 61200 72700 61200 4 -N 72400 61600 74100 61600 4 +N 73200 60700 74900 60700 4 { -T 73400 61700 5 10 1 1 0 0 1 +T 74200 60800 5 10 1 1 0 0 1 netname=pressure } N 53500 54700 54800 54700 4 @@ -2325,3 +2323,72 @@ value=USB header N 50600 61900 48900 61900 4 N 48900 60700 50600 60700 4 N 48900 60300 50600 60300 4 +C 64600 44400 1 90 0 capacitor.sym +{ +T 63900 44600 5 10 0 1 90 0 1 +device=CAPACITOR +T 64100 45100 5 10 1 1 180 0 1 +refdes=C2 +T 63800 44500 5 10 1 1 0 0 1 +value=0.1uF +T 64600 44400 5 10 0 1 0 0 1 +footprint=0402 +} +C 65500 44400 1 90 0 capacitor.sym +{ +T 64800 44600 5 10 0 1 90 0 1 +device=CAPACITOR +T 65000 45100 5 10 1 1 180 0 1 +refdes=C3 +T 64700 44500 5 10 1 1 0 0 1 +value=0.1uF +T 65500 44400 5 10 0 1 0 0 1 +footprint=0402 +} +C 66400 44400 1 90 0 capacitor.sym +{ +T 65700 44600 5 10 0 1 90 0 1 +device=CAPACITOR +T 65900 45100 5 10 1 1 180 0 1 +refdes=C4 +T 65600 44500 5 10 1 1 0 0 1 +value=0.1uF +T 66400 44400 5 10 0 1 0 0 1 +footprint=0402 +} +N 66200 42900 66200 44400 4 +N 67100 42900 67100 43500 4 +N 65300 44400 65300 42900 4 +N 64400 44400 64400 42900 4 +N 63200 44400 63200 42900 4 +C 73300 59800 1 90 0 resistor.sym +{ +T 72900 60100 5 10 0 1 90 0 1 +device=RESISTOR +T 73300 59800 5 10 0 1 0 0 1 +footprint=0402 +T 73800 60500 5 10 1 1 180 0 1 +refdes=R32 +T 73400 60000 5 10 1 1 0 0 1 +value=10k +} +C 73100 59500 1 0 0 gnd.sym +N 72400 61600 73200 61600 4 +T 70400 61400 9 10 1 0 0 0 2 +5V Pressure +Sensor Only +C 73300 60700 1 90 0 resistor.sym +{ +T 72900 61000 5 10 0 1 90 0 1 +device=RESISTOR +T 73300 60700 5 10 0 1 0 0 1 +footprint=0402 +T 73800 61400 5 10 1 1 180 0 1 +refdes=R31 +T 73400 60900 5 10 1 1 0 0 1 +value=5.6k +} +T 71400 70000 9 10 1 0 0 0 3 +adjust output +resistor divider +if not using 5V!