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authorWerner Almesberger <werner@almesberger.net>2014-08-27 17:28:41 -0300
committerWerner Almesberger <werner@almesberger.net>2014-08-27 17:28:41 -0300
commit20cb255f0381665d0ac21b4ba75c4d8e0d8c3628 (patch)
tree558d01031a5d2663d845924fe5c30632569aec7c /ir
parent447df9d2eb496c660d18f89c66ef82131ce6e81d (diff)
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ir/ilim-z.sch: replaced voltage divider with Zener diode
Diffstat (limited to 'ir')
-rw-r--r--ir/ilim-z.sch102
1 files changed, 102 insertions, 0 deletions
diff --git a/ir/ilim-z.sch b/ir/ilim-z.sch
new file mode 100644
index 0000000..1cf7e46
--- /dev/null
+++ b/ir/ilim-z.sch
@@ -0,0 +1,102 @@
+<Qucs Schematic 0.0.18>
+<Properties>
+ <View=-70,-51,1451,1226,1,0,403>
+ <Grid=10,10,1>
+ <DataSet=ilim-z.dat>
+ <DataDisplay=ilim-z.dpl>
+ <OpenDisplay=0>
+ <Script=ilim-z.m>
+ <RunScript=0>
+ <showFrame=0>
+ <FrameText0=Title>
+ <FrameText1=Drawn By:>
+ <FrameText2=Date:>
+ <FrameText3=Revision:>
+</Properties>
+<Symbol>
+</Symbol>
+<Components>
+ <GND * 1 400 380 0 0 0 0>
+ <R R1 1 330 120 -34 -66 1 0 "22 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <GND * 1 260 380 0 0 0 0>
+ <Vdc V2 1 500 370 18 -26 0 1 "3.3 V" 1>
+ <GND * 1 1120 500 0 0 0 0>
+ <_BJT T2 1 1030 320 8 -26 0 0 "npn" 0 "1e-16" 0 "1" 0 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "1.5" 0 "0" 0 "2" 0 "Bf" 1 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0.75" 0 "0.33" 0 "0" 0 "0.75" 0 "0.33" 0 "1.0" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0>
+ <_BJT T1 1 1120 360 24 -23 0 0 "npn" 0 "1e-16" 0 "1" 0 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "1.5" 0 "0" 0 "2" 0 "Bf" 1 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0.75" 0 "0.33" 0 "0" 0 "0.75" 0 "0.33" 0 "1.0" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0>
+ <Diode D1 1 1120 190 23 -56 0 1 "1e-17 A" 1 "1.3" 1 "21 pF" 1 "0.5" 0 "0.7 V" 0 "0.5" 0 "0.0 fF" 0 "0.0" 0 "2.0" 0 "0.5 Ohm" 1 "0.0 ps" 0 "0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0" 0 "1 mA" 0 "26.85" 0 "3.0" 0 "1.11" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "1.0" 0 "normal" 0>
+ <_BJT T3 1 940 270 8 -26 0 0 "npn" 0 "1e-16" 0 "1" 0 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "1.5" 0 "0" 0 "2" 0 "100" 1 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0.75" 0 "0.33" 0 "0" 0 "0.75" 0 "0.33" 0 "1.0" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0>
+ <Diode D2 1 820 390 -102 -59 0 3 "1e-15 A" 0 "1" 0 "10 fF" 0 "0.5" 0 "0.7 V" 0 "0.5" 0 "0.0 fF" 0 "0.0" 0 "2.0" 0 "100 Ohm" 1 "0.0 ps" 0 "0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "1.8 V" 1 "50 uA" 1 "26.85" 0 "3.0" 0 "1.11" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "1.0" 0 "Zener" 0>
+ <R R7 1 860 390 15 -26 0 1 "47 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <Eqn Eqn1 1 1030 590 -23 16 0 0 "Vf=Vir.Vt-Vt.Vt" 1 "yes" 0>
+ <Switch S1 1 670 270 -26 11 0 0 "off" 0 "100 us" 1 "0" 0 "1e12" 0 "26.85" 0 "1e-6" 0>
+ <R R6 1 630 200 -29 -65 1 0 "220 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <Vdc V1 1 260 270 18 -26 0 1 "4.2 V" 1>
+ <C C1 1 400 270 17 -26 1 3 "15 uF" 1 "" 0 "neutral" 0>
+ <GND * 1 500 460 0 0 0 0>
+ <GND * 1 820 460 0 0 0 0>
+ <GND * 1 860 460 0 0 0 0>
+ <R R5 1 770 270 -25 -61 1 0 "4.7 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <R R4 1 570 270 -26 15 0 0 "100 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <IProbe Pr1 1 750 120 -26 16 0 0>
+ <.TR TR1 1 70 40 0 77 0 0 "lin" 1 "0" 1 "1 ms" 1 "1100" 0 "Trapezoidal" 0 "2" 0 "1 ns" 0 "1e-16" 0 "350" 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>
+ <R R3 1 1120 450 28 -30 1 3 "1.5 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+ <.SW SW1 1 70 290 0 77 0 0 "TR1" 1 "list" 1 "Bf" 1 "5 Ohm" 0 "50 Ohm" 0 "[10; 100; 1000]" 1>
+</Components>
+<Wires>
+ <360 120 400 120 "" 0 0 0 "">
+ <260 120 300 120 "" 0 0 0 "">
+ <260 120 260 200 "" 0 0 0 "">
+ <1030 350 1030 360 "" 0 0 0 "">
+ <1030 360 1090 360 "" 0 0 0 "">
+ <1030 280 1030 290 "" 0 0 0 "">
+ <1120 280 1120 330 "" 0 0 0 "">
+ <1030 280 1120 280 "Vt" 1020 200 43 "">
+ <1120 220 1120 280 "" 0 0 0 "">
+ <940 320 1000 320 "Vb" 980 360 15 "">
+ <940 300 940 320 "" 0 0 0 "">
+ <820 320 820 360 "" 0 0 0 "">
+ <820 320 860 320 "" 0 0 0 "">
+ <860 320 940 320 "" 0 0 0 "">
+ <860 320 860 360 "" 0 0 0 "">
+ <1120 480 1120 500 "" 0 0 0 "">
+ <1120 390 1120 420 "" 0 0 0 "">
+ <500 270 500 340 "" 0 0 0 "">
+ <500 270 540 270 "" 0 0 0 "">
+ <700 270 740 270 "" 0 0 0 "">
+ <600 270 640 270 "" 0 0 0 "">
+ <800 270 910 270 "" 0 0 0 "">
+ <660 200 940 200 "" 0 0 0 "">
+ <940 200 940 240 "" 0 0 0 "">
+ <260 200 600 200 "" 0 0 0 "">
+ <400 300 400 380 "" 0 0 0 "">
+ <400 120 400 240 "" 0 0 0 "">
+ <260 300 260 380 "" 0 0 0 "">
+ <260 200 260 240 "" 0 0 0 "">
+ <860 420 860 460 "" 0 0 0 "">
+ <820 420 820 460 "" 0 0 0 "">
+ <500 400 500 460 "" 0 0 0 "">
+ <1120 120 1120 160 "" 0 0 0 "">
+ <780 120 1120 120 "" 0 0 0 "">
+ <400 120 720 120 "" 0 0 0 "">
+ <1120 120 1120 120 "Vir" 1150 60 0 "">
+ <1320 130 1320 130 "Vir" 1350 100 0 "">
+</Wires>
+<Diagrams>
+ <Rect 121 802 745 263 3 #c0c0c0 1 00 1 0 0.0001 0.001 0 0 0.1 0.6 0 0 0.5 3 315 0 225 "" "" "">
+ <"Vf" #0000ff 2 3 0 0 1>
+ <"Pr1.It" #ff0000 0 3 0 0 0>
+ </Rect>
+ <Rect 120 1076 747 216 3 #c0c0c0 1 00 1 0 0.0001 0.001 0 0 0.5 3 1 -1 0.5 1 315 0 225 "" "" "">
+ <"Vt.Vt" #00aa00 0 3 0 0 0>
+ <"Vir.Vt" #0000ff 0 3 0 0 0>
+ <"Vb.Vt" #ff00ff 0 3 0 0 0>
+ </Rect>
+</Diagrams>
+<Paintings>
+ <Text 310 130 12 #000000 0 "1/4 W">
+ <Text 820 140 12 #000000 0 "Very rough VSMB2948SL approximation">
+ <Text 930 440 12 #000000 0 "Dimension for 1 W peak">
+ <Text 930 460 12 #000000 0 "Maybe ESR10EZPJ3R3">
+ <Text 640 440 12 #000000 0 "MMSZ4678 or similar">
+ <Text 530 230 12 #000000 0 "Ron(gpio)">
+</Paintings>